2024
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Lu, Jian; Sui, Xinmeng; Novoselov, Kostya S; Huang, Pengru; Xu, Fen; Sun, Lixian Electron beam-assisted synthesis and modification of electrode/separator materials for lithium-ion batteries: Progress and prospects COORDINATION CHEMISTRY REVIEWS, 515 , 2024, DOI: 10.1016/j.ccr.2024.215954. Abstract | BibTeX | Endnote @article{ISI:001245767900001,
title = {Electron beam-assisted synthesis and modification of electrode/separator materials for lithium-ion batteries: Progress and prospects},
author = {Jian Lu and Xinmeng Sui and Kostya S Novoselov and Pengru Huang and Fen Xu and Lixian Sun},
doi = {10.1016/j.ccr.2024.215954},
times_cited = {0},
issn = {0010-8545},
year = {2024},
date = {2024-09-15},
journal = {COORDINATION CHEMISTRY REVIEWS},
volume = {515},
publisher = {ELSEVIER SCIENCE SA},
address = {PO BOX 564, 1001 LAUSANNE, SWITZERLAND},
abstract = {Lithium ion batteries (LIBs) have been recognized as an indispensable option for substantially reducing fossil fuel consumption in industrial production and daily life. Given that the electrode and separator are pivotal components of LIBs, their properties notably impact the electrochemical performance of the entire system. Consequently, the efficient synthesis and modification of electrode or separator using versatile and cost-effective methods are the key for a wide range of LIBs applications. Currently, electron beam technology has emerged as a potent choice for synthesizing and modifying electrode and separator materials. Herein, we categorize electron beam technology and outline its vital roles in material processing. Additionally, the advancements on the synthesis and modification of anode, cathode as well as separator materials with the assistance of electron beam is highlighted, and the mechanisms of electron beam to enhance the electrochemical properties for electrode/ separator are negotiated. Finally, we examine the challenges and prospects associated with the application of electron beam technology in the context of LIBs.},
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Lithium ion batteries (LIBs) have been recognized as an indispensable option for substantially reducing fossil fuel consumption in industrial production and daily life. Given that the electrode and separator are pivotal components of LIBs, their properties notably impact the electrochemical performance of the entire system. Consequently, the efficient synthesis and modification of electrode or separator using versatile and cost-effective methods are the key for a wide range of LIBs applications. Currently, electron beam technology has emerged as a potent choice for synthesizing and modifying electrode and separator materials. Herein, we categorize electron beam technology and outline its vital roles in material processing. Additionally, the advancements on the synthesis and modification of anode, cathode as well as separator materials with the assistance of electron beam is highlighted, and the mechanisms of electron beam to enhance the electrochemical properties for electrode/ separator are negotiated. Finally, we examine the challenges and prospects associated with the application of electron beam technology in the context of LIBs. - FNClarivate Analytics Web of Science
- VR1.0
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- AULu, J
Sui, XM
Novoselov, KS
Huang, PR
Xu, F
Sun, LX
- AFJian Lu
Xinmeng Sui
Kostya S Novoselov
Pengru Huang
Fen Xu
Lixian Sun
- TIElectron beam-assisted synthesis and modification of electrode/separator materials for lithium-ion batteries: Progress and prospects
- SOCOORDINATION CHEMISTRY REVIEWS
- LAEnglish
- DTArticle
- DEElectrode Materials; Electron Beam; LIBs; Modification; Electrochemical Performance
- IDTHIN-FILM ANODES; HIGH-CAPACITY ANODE; HIGH-PERFORMANCE; POLYETHYLENE SEPARATOR; CARBON NANOTUBE; COMPOSITE; IRRADIATION; GRAPHENE; SI; OXIDE
- ABLithium ion batteries (LIBs) have been recognized as an indispensable option for substantially reducing fossil fuel consumption in industrial production and daily life. Given that the electrode and separator are pivotal components of LIBs, their properties notably impact the electrochemical performance of the entire system. Consequently, the efficient synthesis and modification of electrode or separator using versatile and cost-effective methods are the key for a wide range of LIBs applications. Currently, electron beam technology has emerged as a potent choice for synthesizing and modifying electrode and separator materials. Herein, we categorize electron beam technology and outline its vital roles in material processing. Additionally, the advancements on the synthesis and modification of anode, cathode as well as separator materials with the assistance of electron beam is highlighted, and the mechanisms of electron beam to enhance the electrochemical properties for electrode/ separator are negotiated. Finally, we examine the challenges and prospects associated with the application of electron beam technology in the context of LIBs.
- C1[Lu, Jian; Sui, Xinmeng] Guilin Univ Elect Technol, Sch Mech & Elect Engn, Guangxi Key Lab Mfg Syst & Adv Mfg Technol, Guilin 541004, Peoples R China.
[Huang, Pengru; Xu, Fen; Sun, Lixian] Guilin Univ Elect Technol, Guangxi Collaborat Innovat Ctr Struct & Property N, Sch Mat Sci & Engn, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China. [Novoselov, Kostya S.; Huang, Pengru] Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore. [Sui, Xinmeng] Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Solidificat Control & Digital Preparat Tec, Dalian 116024, Peoples R China - C3Guilin University of Electronic Technology; Guilin University of Electronic Technology; National University of Singapore; Institute for Functional Intelligent Materials (I-FIM); Dalian University of Technology
- RPSun, LX (corresponding author), Guilin Univ Elect Technol, Guangxi Collaborat Innovat Ctr Struct & Property N, Sch Mat Sci & Engn, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China; Novoselov, KS (corresponding author), Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore
- FUNational Natural Science Foundation of China [U20A20237, 52371218, 52271205, 52201206, 51971068, 22179026]; Scientific Research and Technology Development Program of Guangxi [AA19182014, AD17195073, AA17202030-1]; Guangxi key research and development program [2021AB17045]; Guangxi Science and Technology Program [Guike AD23026170, Guike AD23026116]; Science Research and Technology Development project of Guilin [20210216-1, 20210102-4]; Guangxi Bagui Scholar Foundation [GZ1528]; Guilin Lijiang Scholar Foundation [FPRU2022-4]; Guangxi Collaborative Innovation Centre of Structure and Property for New Energy and Materials [EDUNC- 33-18-279-V12]; Guangxi Advanced Functional Materials Foundation and Application Talents Small Highlands [RSRPR 190000]; Chinesisch-Deutsche Kooperationsgruppe [22-35-4-S019]; Ministry of Education, Singapore (Research Centre of Excellence award) [23354S002]; Guangxi Key Laboratory of Sustainable Utilization of Plant Functional Substances; Royal Society (UK); Guangxi Key Laboratory of Manufacturing System & Advanced Manufacturing Technology; ; ;
- FXThis work was financially supported by the National Natural Science Foundation of China (U20A20237, 52371218, 52271205, 52201206, 51971068, and 22179026) , the Scientific Research and Technology Development Program of Guangxi (AA19182014, AD17195073, AA17202030-1) , Guangxi key research and development program (2021AB17045) , Guangxi Science and Technology Program (Guike AD23026170, Guike AD23026116) , Science Research and Technology Development project of Guilin (20210216-1, 20210102-4) , Guangxi Bagui Scholar Foundation, Guilin Lijiang Scholar Foundation, Guangxi Collaborative Innovation Centre of Structure and Property for New Energy and Materials, Guangxi Advanced Functional Materials Foundation and Application Talents Small Highlands, Chinesisch-Deutsche Koo- perationsgruppe (GZ1528) , Guangxi Key Laboratory of Sustainable Utilization of Plant Functional Substances (FPRU2022-4) . KSN acknowledges support from the Ministry of Education, Singapore (Research Centre of Excellence award to the Institute for Functional Intelligent Materials, I-FIM, project No. EDUNC- 33-18-279-V12) and from the Royal Society (UK, grant number RSRPR 190000) . The Guangxi Key Laboratory of Manufacturing System & Advanced Manufacturing Technology (Grant Nos. 22-35-4-S019 and 23354S002) .
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Qiu, Zhizhan; Vaklinova, Kristina; Huang, Pengru; Grzeszczyk, Magdalena; Watanabe, Kenji; Taniguchi, Takashi; Novoselov, Kostya S; Lu, Jiong; Koperski, Maciej Atomic and Electronic Structure of Defects in hBN: Enhancing Single-Defect Functionalities ACS NANO, 2024, DOI: 10.1021/acsnano.4c03640. Abstract | BibTeX | Endnote @article{ISI:001295117800001,
title = {Atomic and Electronic Structure of Defects in hBN: Enhancing Single-Defect Functionalities},
author = {Zhizhan Qiu and Kristina Vaklinova and Pengru Huang and Magdalena Grzeszczyk and Kenji Watanabe and Takashi Taniguchi and Kostya S Novoselov and Jiong Lu and Maciej Koperski},
doi = {10.1021/acsnano.4c03640},
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year = {2024},
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abstract = {Defect centers in insulators play a critical role in creating important functionalities in materials: prototype qubits, single-photon sources, magnetic field probes, and pressure sensors. These functionalities are highly dependent on their midgap electronic structure and orbital/spin wave function contributions. However, in most cases, these fundamental properties remain unknown or speculative due to the defects being deeply embedded beneath the surface of highly resistive host crystals, thus impeding access through surface probes. Here, we directly inspected the atomic and electronic structures of defects in thin carbon-doped hexagonal boron nitride (hBN:C) by using scanning tunneling microscopy (STM) and scanning tunneling spectroscopy (STS). Such investigation adds direct information about the electronic midgap states to the well-established photoluminescence response (including single-photon emission) of intentionally created carbon defects in the most commonly investigated van der Waals insulator. Our joint atomic-scale experimental and theoretical investigations reveal two main categories of defects: (1) single-site defects manifesting as donor-like states with atomically resolved structures observable via STM and (2) multisite defect complexes exhibiting a ladder of empty and occupied midgap states characterized by distinct spatial geometries. Combining direct probing of midgap states through tunneling spectroscopy with the inspection of the optical response of insulators hosting specific defect structures holds promise for creating and enhancing functionalities realized with individual defects in the quantum limit. These findings underscore not only the versatility of hBN:C as a platform for quantum defect engineering but also its potential to drive advancements in atomic-scale optoelectronics.},
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Defect centers in insulators play a critical role in creating important functionalities in materials: prototype qubits, single-photon sources, magnetic field probes, and pressure sensors. These functionalities are highly dependent on their midgap electronic structure and orbital/spin wave function contributions. However, in most cases, these fundamental properties remain unknown or speculative due to the defects being deeply embedded beneath the surface of highly resistive host crystals, thus impeding access through surface probes. Here, we directly inspected the atomic and electronic structures of defects in thin carbon-doped hexagonal boron nitride (hBN:C) by using scanning tunneling microscopy (STM) and scanning tunneling spectroscopy (STS). Such investigation adds direct information about the electronic midgap states to the well-established photoluminescence response (including single-photon emission) of intentionally created carbon defects in the most commonly investigated van der Waals insulator. Our joint atomic-scale experimental and theoretical investigations reveal two main categories of defects: (1) single-site defects manifesting as donor-like states with atomically resolved structures observable via STM and (2) multisite defect complexes exhibiting a ladder of empty and occupied midgap states characterized by distinct spatial geometries. Combining direct probing of midgap states through tunneling spectroscopy with the inspection of the optical response of insulators hosting specific defect structures holds promise for creating and enhancing functionalities realized with individual defects in the quantum limit. These findings underscore not only the versatility of hBN:C as a platform for quantum defect engineering but also its potential to drive advancements in atomic-scale optoelectronics. - FNClarivate Analytics Web of Science
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Lu, J
Koperski, M
- AFZhizhan Qiu
Kristina Vaklinova
Pengru Huang
Magdalena Grzeszczyk
Kenji Watanabe
Takashi Taniguchi
Kostya S Novoselov
Jiong Lu
Maciej Koperski
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- DE2D Insulators; Hexagonal Boron Nitride; Singledefects; Discrete Midgap States; Wave Function Imaging
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- ABDefect centers in insulators play a critical role in creating important functionalities in materials: prototype qubits, single-photon sources, magnetic field probes, and pressure sensors. These functionalities are highly dependent on their midgap electronic structure and orbital/spin wave function contributions. However, in most cases, these fundamental properties remain unknown or speculative due to the defects being deeply embedded beneath the surface of highly resistive host crystals, thus impeding access through surface probes. Here, we directly inspected the atomic and electronic structures of defects in thin carbon-doped hexagonal boron nitride (hBN:C) by using scanning tunneling microscopy (STM) and scanning tunneling spectroscopy (STS). Such investigation adds direct information about the electronic midgap states to the well-established photoluminescence response (including single-photon emission) of intentionally created carbon defects in the most commonly investigated van der Waals insulator. Our joint atomic-scale experimental and theoretical investigations reveal two main categories of defects: (1) single-site defects manifesting as donor-like states with atomically resolved structures observable via STM and (2) multisite defect complexes exhibiting a ladder of empty and occupied midgap states characterized by distinct spatial geometries. Combining direct probing of midgap states through tunneling spectroscopy with the inspection of the optical response of insulators hosting specific defect structures holds promise for creating and enhancing functionalities realized with individual defects in the quantum limit. These findings underscore not only the versatility of hBN:C as a platform for quantum defect engineering but also its potential to drive advancements in atomic-scale optoelectronics.
- C1[Qiu, Zhizhan; Huang, Pengru; Grzeszczyk, Magdalena; Novoselov, Kostya S.; Koperski, Maciej] Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore.
[Qiu, Zhizhan; Vaklinova, Kristina; Huang, Pengru; Grzeszczyk, Magdalena; Novoselov, Kostya S.; Lu, Jiong; Koperski, Maciej] Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore. [Watanabe, Kenji] Natl Inst Mat Sci, Res Ctr Elect & Opt Mat, Tsukuba 3050044, Japan. [Taniguchi, Takashi] Natl Inst Mat Sci, Res Ctr Mat Nanoarchitecton, Tsukuba 3050044, Japan. [Lu, Jiong] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore - C3National University of Singapore; Institute for Functional Intelligent Materials (I-FIM); National University of Singapore; National Institute for Materials Science; National Institute for Materials Science; National University of Singapore
- RPKoperski, M (corresponding author), Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore; Lu, J (corresponding author), Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore; Lu, J (corresponding author), Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
- FUMinistry of Education (Singapore) [EDUN C-33-18-279-V12]; AcRF Tier 3 [MOE2018-T3-1-005]; MOE Tier 2 [MOE-T2EP10223-0004, MOE-T2EP10123-0004, MOE-T2EP50122-0012]; Agency for Science, Technology and Research (A*STAR) [M21K2c0113]; Air Force Office of Scientific Research [FA8655-21-1-7026]; Office of Naval Research Global [20H00354, 23H02052]; JSPS KAKENHI [2021YFB3802400]; World Premier International Research Center Initiative (WPI), MEXT, Japan [52161037]; National Key Research and Development Program; National Natural Science Foundation of China
- FXThis project was supported by the Ministry of Education (Singapore) through the Research Centre of Excellence program (grant EDUN C-33-18-279-V12, I-FIM), AcRF Tier 3 (MOE2018-T3-1-005) and MOE Tier 2 grants (MOE-T2EP10223-0004, MOE-T2EP10123-0004, and MOE-T2EP50122-0012), and Agency for Science, Technology and Research (A*STAR) under MTC Individual Research Grants (M21K2c0113). This material is based upon work supported by the Air Force Office of Scientific Research and the Office of Naval Research Global under award number FA8655-21-1-7026. K.W. and T.T. acknowledge support from the JSPS KAKENHI (Grant Numbers 20H00354 and 23H02052) and World Premier International Research Center Initiative (WPI), MEXT, Japan. P.H. acknowledges the support from the National Key Research and Development Program (2021YFB3802400) and the National Natural Science Foundation of China (52161037). The computational work for this article was performed on computational resources at the National Supercomputing Center of Singapore (NSCC).
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Chen, Siyu; Lee, Chang Jie Mick; Tan, Gladys Shi Xuan; Ng, Pei Rou; Zhang, Pengxiang; Zhao, Jinpei; Novoselov, Kostya S; Andreeva, Daria V Ultra-Tough Graphene Oxide/DNA 2D Hydrogel with Intrinsic Sensing and Actuation Functions MACROMOLECULAR RAPID COMMUNICATIONS, 2024, DOI: 10.1002/marc.202400518. Abstract | BibTeX | Endnote @article{ISI:001283478000001,
title = {Ultra-Tough Graphene Oxide/DNA 2D Hydrogel with Intrinsic Sensing and Actuation Functions},
author = {Siyu Chen and Chang Jie Mick Lee and Gladys Shi Xuan Tan and Pei Rou Ng and Pengxiang Zhang and Jinpei Zhao and Kostya S Novoselov and Daria V Andreeva},
doi = {10.1002/marc.202400518},
times_cited = {0},
issn = {1022-1336},
year = {2024},
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address = {POSTFACH 101161, 69451 WEINHEIM, GERMANY},
abstract = {Hydrogel devices with mechanical toughness and tunable functionalities are highly desirable for practical long-term applications such as sensing and actuation elements for soft robotics. However, existing hydrogels have poor mechanical properties, slow rates of response, and low functionality. In this work, two-dimensional hydrogel actuators are proposed and formed on the self-assembly of graphene oxide (GO) and deoxynucleic acid (DNA). The self-assembly process is driven by the GO-induced transition of double stranded DNA (dsDNA) into single stranded DNA (ssDNA). Thus, the hydrogel's structural unit consists of two layers of GO covered by ssDNA and a layer of dsDNA in between. Such heterogeneous architectures stabilized by multiple hydrogen bondings have Young's modulus of up to 10 GPa and rapid swelling rates of 4.0 x 10-3 to 1.1 x 10-2 s-1, which surpasses most types of conventional hydrogels. It is demonstrated that the GO/DNA hydrogel actuators leverage the unique properties of these two materials, making them excellent candidates for various applications requiring sensing and actuation functions, such as artificial skin, wearable electronics, bioelectronics, and drug delivery systems.},
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Hydrogel devices with mechanical toughness and tunable functionalities are highly desirable for practical long-term applications such as sensing and actuation elements for soft robotics. However, existing hydrogels have poor mechanical properties, slow rates of response, and low functionality. In this work, two-dimensional hydrogel actuators are proposed and formed on the self-assembly of graphene oxide (GO) and deoxynucleic acid (DNA). The self-assembly process is driven by the GO-induced transition of double stranded DNA (dsDNA) into single stranded DNA (ssDNA). Thus, the hydrogel's structural unit consists of two layers of GO covered by ssDNA and a layer of dsDNA in between. Such heterogeneous architectures stabilized by multiple hydrogen bondings have Young's modulus of up to 10 GPa and rapid swelling rates of 4.0 x 10-3 to 1.1 x 10-2 s-1, which surpasses most types of conventional hydrogels. It is demonstrated that the GO/DNA hydrogel actuators leverage the unique properties of these two materials, making them excellent candidates for various applications requiring sensing and actuation functions, such as artificial skin, wearable electronics, bioelectronics, and drug delivery systems. - FNClarivate Analytics Web of Science
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Lee, CJM
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Ng, PR
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Novoselov, KS
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Chang Jie Mick Lee
Gladys Shi Xuan Tan
Pei Rou Ng
Pengxiang Zhang
Jinpei Zhao
Kostya S Novoselov
Daria V Andreeva
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- DE2D Hydrogel; Actuators; DNA; Graphene Oxide; Sensors
- IDDNA
- ABHydrogel devices with mechanical toughness and tunable functionalities are highly desirable for practical long-term applications such as sensing and actuation elements for soft robotics. However, existing hydrogels have poor mechanical properties, slow rates of response, and low functionality. In this work, two-dimensional hydrogel actuators are proposed and formed on the self-assembly of graphene oxide (GO) and deoxynucleic acid (DNA). The self-assembly process is driven by the GO-induced transition of double stranded DNA (dsDNA) into single stranded DNA (ssDNA). Thus, the hydrogel's structural unit consists of two layers of GO covered by ssDNA and a layer of dsDNA in between. Such heterogeneous architectures stabilized by multiple hydrogen bondings have Young's modulus of up to 10 GPa and rapid swelling rates of 4.0 x 10-3 to 1.1 x 10-2 s-1, which surpasses most types of conventional hydrogels. It is demonstrated that the GO/DNA hydrogel actuators leverage the unique properties of these two materials, making them excellent candidates for various applications requiring sensing and actuation functions, such as artificial skin, wearable electronics, bioelectronics, and drug delivery systems.
- C1[Chen, Siyu; Tan, Gladys Shi Xuan; Ng, Pei Rou; Zhang, Pengxiang; Zhao, Jinpei; Novoselov, Kostya S.; Andreeva, Daria V.] Natl Univ Singapore, Inst Funct Intelligent Mat, Dept Mat Sci & Engn, Singapore 117575, Singapore.
[Lee, Chang Jie Mick] Natl Univ Singapore, Cardiovasc Res Inst, Yong Loo Lin Sch Med, Singapore 117599, Singapore - C3Institute for Functional Intelligent Materials (I-FIM); National University of Singapore; National University of Singapore
- RPAndreeva, DV (corresponding author), Natl Univ Singapore, Inst Funct Intelligent Mat, Dept Mat Sci & Engn, Singapore 117575, Singapore
- FUMinistry of Education (Singapore) through the Research Centre of Excellence program [EDUN C-33-18-279-V12]
- FXThis work was supported by the Ministry of Education (Singapore) through the Research Centre of Excellence program (grant EDUN C-33-18-279-V12, I-FIM).
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Liu, Ya-Feng; Li, Yuan-Qing; Novoselov, Kostya S; Fu, Shao-Yun Influence of spider hair structure on acoustic response EXTREME MECHANICS LETTERS, 70 , 2024, DOI: 10.1016/j.eml.2024.102171. Abstract | BibTeX | Endnote @article{ISI:001246487600001,
title = {Influence of spider hair structure on acoustic response},
author = {Ya-Feng Liu and Yuan-Qing Li and Kostya S Novoselov and Shao-Yun Fu},
doi = {10.1016/j.eml.2024.102171},
times_cited = {0},
issn = {2352-4316},
year = {2024},
date = {2024-08-01},
journal = {EXTREME MECHANICS LETTERS},
volume = {70},
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address = {RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS},
abstract = {It is well known that spiders have an extraordinary auditory sensitivity. However, significant differences in the acoustic impedance between air and solids (spiders) would reduce the acoustic energy transmitted from air to spiders, and by intuition this might result in a significant decrease in the acoustic sensitivity of spiders. This mechanism has been long troubled in researchers' minds that how hunting spiders could have an outstanding auditory sensitivity. In this paper, the auditory sensing mechanisms of hunting spiders are studied by theoretical analysis and simulation. The results show that the acoustic impedance can be adjusted by spiders' hairs with particular features to realize the acoustic impedance matching between air and spiders, which could make spiders' hairs easily send signals to the nervous system of spiders, thus significantly promoting the acoustic energy transfer from air to spiders. Both the appropriate length and deflection angle of hairs are critical to determine the acoustic impedance/acoustic transmission coefficient. In parallel, verification test is carried out on an innovative bionic hair array. The experiment result shows that the acoustic impedance is significantly descended by the bionic hair array with the spiders' acoustic hairs' features, which provides a sufficient proof of the acoustic impedance matching by spiders' hairs. Consequently, this work clearly discloses the acoustic sensing mechanism for the extraordinary auditory sensitivity of hunting spiders, which may have a great significance for the development of artificial auditory technology and sound stealth devices.},
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It is well known that spiders have an extraordinary auditory sensitivity. However, significant differences in the acoustic impedance between air and solids (spiders) would reduce the acoustic energy transmitted from air to spiders, and by intuition this might result in a significant decrease in the acoustic sensitivity of spiders. This mechanism has been long troubled in researchers' minds that how hunting spiders could have an outstanding auditory sensitivity. In this paper, the auditory sensing mechanisms of hunting spiders are studied by theoretical analysis and simulation. The results show that the acoustic impedance can be adjusted by spiders' hairs with particular features to realize the acoustic impedance matching between air and spiders, which could make spiders' hairs easily send signals to the nervous system of spiders, thus significantly promoting the acoustic energy transfer from air to spiders. Both the appropriate length and deflection angle of hairs are critical to determine the acoustic impedance/acoustic transmission coefficient. In parallel, verification test is carried out on an innovative bionic hair array. The experiment result shows that the acoustic impedance is significantly descended by the bionic hair array with the spiders' acoustic hairs' features, which provides a sufficient proof of the acoustic impedance matching by spiders' hairs. Consequently, this work clearly discloses the acoustic sensing mechanism for the extraordinary auditory sensitivity of hunting spiders, which may have a great significance for the development of artificial auditory technology and sound stealth devices. - FNClarivate Analytics Web of Science
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Li, YQ
Novoselov, KS
Fu, SY
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Yuan-Qing Li
Kostya S Novoselov
Shao-Yun Fu
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- DEFlexible Electronics; Biomimetic; Mechanics
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- ABIt is well known that spiders have an extraordinary auditory sensitivity. However, significant differences in the acoustic impedance between air and solids (spiders) would reduce the acoustic energy transmitted from air to spiders, and by intuition this might result in a significant decrease in the acoustic sensitivity of spiders. This mechanism has been long troubled in researchers' minds that how hunting spiders could have an outstanding auditory sensitivity. In this paper, the auditory sensing mechanisms of hunting spiders are studied by theoretical analysis and simulation. The results show that the acoustic impedance can be adjusted by spiders' hairs with particular features to realize the acoustic impedance matching between air and spiders, which could make spiders' hairs easily send signals to the nervous system of spiders, thus significantly promoting the acoustic energy transfer from air to spiders. Both the appropriate length and deflection angle of hairs are critical to determine the acoustic impedance/acoustic transmission coefficient. In parallel, verification test is carried out on an innovative bionic hair array. The experiment result shows that the acoustic impedance is significantly descended by the bionic hair array with the spiders' acoustic hairs' features, which provides a sufficient proof of the acoustic impedance matching by spiders' hairs. Consequently, this work clearly discloses the acoustic sensing mechanism for the extraordinary auditory sensitivity of hunting spiders, which may have a great significance for the development of artificial auditory technology and sound stealth devices.
- C1[Liu, Ya-Feng] Southwest Univ, Coll Artificial Intelligence, Chongqing 400715, Peoples R China.
[Liu, Ya-Feng; Li, Yuan-Qing; Fu, Shao-Yun] Chongqing Univ, Coll Aerosp Engn, Chongqing 400044, Peoples R China. [Liu, Ya-Feng] Chongqing 2D Mat Inst, Chongqing 400714, Peoples R China. [Novoselov, Kostya S.] Natl Univ Singapore, Inst Funct Intelligent Mat, Bldg S9,4 Sci Dr 2, Singapore 117544, Singapore - C3Southwest University - China; Chongqing University; National University of Singapore; Institute for Functional Intelligent Materials (I-FIM)
- RPFu, SY (corresponding author), Chongqing Univ, Coll Aerosp Engn, Chongqing 400044, Peoples R China
- FUNational Natural Science Foundation of China [12002190, 12332008, 12272067]; Fundamental Research Funds for the Central Uni-versities [SWU-KQ22029]; Chongqing Natural Science Foundation [CSTB2022NSCQ-MSX1635]; China Postdoctoral Science Foundation [2022M710524]
- FXAcknowledgments The authors are grateful for the financial support of the National Natural Science Foundation of China (Grant Nos. 12002190, 12332008 and 12272067) the Fundamental Research Funds for the Central Uni-versities (Grant No. SWU-KQ22029) , the Chongqing Natural Science Foundation (Grant No. CSTB2022NSCQ-MSX1635) , and the China Postdoctoral Science Foundation (Grant No. 2022M710524) .
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Liu, Chang; Bo, Yujiao; Ge, Qi; Novoselov, Kostya S; Lin, Shisheng Hydrogel Based UV Photodetector Based on Polarization of Free Water Molecules LASER & PHOTONICS REVIEWS, 2024, DOI: 10.1002/lpor.202400615. Abstract | BibTeX | Endnote @article{ISI:001273315500001,
title = {Hydrogel Based UV Photodetector Based on Polarization of Free Water Molecules},
author = {Chang Liu and Yujiao Bo and Qi Ge and Kostya S Novoselov and Shisheng Lin},
doi = {10.1002/lpor.202400615},
times_cited = {0},
issn = {1863-8880},
year = {2024},
date = {2024-07-22},
journal = {LASER & PHOTONICS REVIEWS},
publisher = {WILEY-V C H VERLAG GMBH},
address = {POSTFACH 101161, 69451 WEINHEIM, GERMANY},
abstract = {Conductive hydrogels retain the intrinsic softness and elasticity that are hallmark features of traditional hydrogels, and they also assimilate the electrical properties of the embedded conductive materials. Conventional epitaxial growth techniques for heterojunctions require precise lattice matching between adjacent materials, significantly limiting technological advancements in photodetector innovation. The integration of conductive hydrogels with semiconductors to fabricate photodetectors presents a feasible solution that bypasses the traditional lattice matching constraints inherent in the epitaxial growth of heterojunction semiconductor photodetectors. Herein, device integration is enhanced by developing a transparent conductive hydrogel, positioned between graphene and gallium nitride, which effectively mitigates the fluidity issues of the polar liquid complicating device encapsulation. A comprehensive analysis of the photodetection characteristics of the graphene/conductive hydrogel/gallium nitride heterostructure is conducted, thereby establishing its structural framework. Flexible transparent devices are further prepared based on PEDOT/Alg (Ca2+) and demonstrate their potential application in 360 degrees omnidirectional photodetection. This work introduces a novel approach for the enhanced integration of hydrogel-based spectrally selective and flexible transparent photodetectors.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Conductive hydrogels retain the intrinsic softness and elasticity that are hallmark features of traditional hydrogels, and they also assimilate the electrical properties of the embedded conductive materials. Conventional epitaxial growth techniques for heterojunctions require precise lattice matching between adjacent materials, significantly limiting technological advancements in photodetector innovation. The integration of conductive hydrogels with semiconductors to fabricate photodetectors presents a feasible solution that bypasses the traditional lattice matching constraints inherent in the epitaxial growth of heterojunction semiconductor photodetectors. Herein, device integration is enhanced by developing a transparent conductive hydrogel, positioned between graphene and gallium nitride, which effectively mitigates the fluidity issues of the polar liquid complicating device encapsulation. A comprehensive analysis of the photodetection characteristics of the graphene/conductive hydrogel/gallium nitride heterostructure is conducted, thereby establishing its structural framework. Flexible transparent devices are further prepared based on PEDOT/Alg (Ca2+) and demonstrate their potential application in 360 degrees omnidirectional photodetection. This work introduces a novel approach for the enhanced integration of hydrogel-based spectrally selective and flexible transparent photodetectors. - FNClarivate Analytics Web of Science
- VR1.0
- PTJ
- AULiu, C
Bo, YJ
Ge, Q
Novoselov, KS
Lin, SS
- AFChang Liu
Yujiao Bo
Qi Ge
Kostya S Novoselov
Shisheng Lin
- TIHydrogel Based UV Photodetector Based on Polarization of Free Water Molecules
- SOLASER & PHOTONICS REVIEWS
- LAEnglish
- DTArticle
- DEHydrogel; Molecular Polarization; Photodetector; Self-driven
- ABConductive hydrogels retain the intrinsic softness and elasticity that are hallmark features of traditional hydrogels, and they also assimilate the electrical properties of the embedded conductive materials. Conventional epitaxial growth techniques for heterojunctions require precise lattice matching between adjacent materials, significantly limiting technological advancements in photodetector innovation. The integration of conductive hydrogels with semiconductors to fabricate photodetectors presents a feasible solution that bypasses the traditional lattice matching constraints inherent in the epitaxial growth of heterojunction semiconductor photodetectors. Herein, device integration is enhanced by developing a transparent conductive hydrogel, positioned between graphene and gallium nitride, which effectively mitigates the fluidity issues of the polar liquid complicating device encapsulation. A comprehensive analysis of the photodetection characteristics of the graphene/conductive hydrogel/gallium nitride heterostructure is conducted, thereby establishing its structural framework. Flexible transparent devices are further prepared based on PEDOT/Alg (Ca2+) and demonstrate their potential application in 360 degrees omnidirectional photodetection. This work introduces a novel approach for the enhanced integration of hydrogel-based spectrally selective and flexible transparent photodetectors.
- C1[Liu, Chang; Bo, Yujiao; Lin, Shisheng] Zhejiang Univ, Coll Informat Sci & Elect Engn, Hangzhou 310027, Peoples R China.
[Liu, Chang] Northwest Inst Nonferrous Met Res, Xian 710016, Peoples R China. [Ge, Qi; Novoselov, Kostya S.] Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore - C3Zhejiang University; Northwest Institute for Nonferrous Metal Research - China; National University of Singapore; Institute for Functional Intelligent Materials (I-FIM)
- RPLin, SS (corresponding author), Zhejiang Univ, Coll Informat Sci & Elect Engn, Hangzhou 310027, Peoples R China; Ge, Q (corresponding author), Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore
- FUNational Natural Science Foundation of China [51202216, 51551203, 61774135]; Distinguished Youth Fund of Zhejiang Natural Science Foundation of China [LR21F040001]; Special Foundation of Young Professor of Zhejiang University [2013QNA5007]
- FXS.S.L. thanks the support from the National Natural Science Foundation of China (No. 51202216, 51551203, and 61774135), Distinguished Youth Fund of Zhejiang Natural Science Foundation of China (LR21F040001), and Special Foundation of Young Professor of Zhejiang University (2013QNA5007).
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- SN1863-8880
- J9LASER PHOTONICS REV
- JILaser Photon. Rev.
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