2024
|
Lin, Mo; Trubianov, Maxim; Yang, Kou; Chen, Siyu; Wang, Qian; Wu, Jiqiang; Liao, Xiaojian; Greiner, Andreas; Novoselov, Kostya S; Andreeva, Daria V Lightweight acoustic hyperbolic paraboloid diaphragms with graphene through self-assembly nanoarchitectonics SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, 25 (1), 2024, DOI: 10.1080/14686996.2024.2421757. Abstract | BibTeX | Endnote @article{ISI:001358284700001,
title = {Lightweight acoustic hyperbolic paraboloid diaphragms with graphene through self-assembly nanoarchitectonics},
author = {Mo Lin and Maxim Trubianov and Kou Yang and Siyu Chen and Qian Wang and Jiqiang Wu and Xiaojian Liao and Andreas Greiner and Kostya S Novoselov and Daria V Andreeva},
doi = {10.1080/14686996.2024.2421757},
times_cited = {0},
issn = {1468-6996},
year = {2024},
date = {2024-12-31},
journal = {SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS},
volume = {25},
number = {1},
publisher = {TAYLOR & FRANCIS LTD},
address = {2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND},
abstract = {The paper presents a study on the fabrication of a lightweight acoustic hyperbolic paraboloid (HyPar) diaphragm using self-assembly nanoarchitectonics. The diaphragm is composed of a polyacrylonitrile (PAN) network combined with graphene oxide (GO) nanolayers. Spray coating is employed as a fabrication method, providing a simple and cost-effective approach to create large-scale curved diaphragms. The results demonstrate that the PAN/GO diaphragm exhibits acoustic performance comparable to a commercially available banana pulp diaphragm while significantly reducing weight and thickness. Notably, the graphene-based diaphragm is 15 times thinner and 8 times lighter than the commercial banana pulp diaphragm. This thinner and lighter nature of the graphene-based diaphragm offers advantages in applications where weight and size constraints are critical, such as in portable audio devices or acoustic sensors.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The paper presents a study on the fabrication of a lightweight acoustic hyperbolic paraboloid (HyPar) diaphragm using self-assembly nanoarchitectonics. The diaphragm is composed of a polyacrylonitrile (PAN) network combined with graphene oxide (GO) nanolayers. Spray coating is employed as a fabrication method, providing a simple and cost-effective approach to create large-scale curved diaphragms. The results demonstrate that the PAN/GO diaphragm exhibits acoustic performance comparable to a commercially available banana pulp diaphragm while significantly reducing weight and thickness. Notably, the graphene-based diaphragm is 15 times thinner and 8 times lighter than the commercial banana pulp diaphragm. This thinner and lighter nature of the graphene-based diaphragm offers advantages in applications where weight and size constraints are critical, such as in portable audio devices or acoustic sensors. - FNClarivate Analytics Web of Science
- VR1.0
- PTJ
- AULin, M
Trubianov, M
Yang, K
Chen, SY
Wang, Q
Wu, JQ
Liao, XJ
Greiner, A
Novoselov, KS
Andreeva, DV
- AFMo Lin
Maxim Trubianov
Kou Yang
Siyu Chen
Qian Wang
Jiqiang Wu
Xiaojian Liao
Andreas Greiner
Kostya S Novoselov
Daria V Andreeva
- TILightweight acoustic hyperbolic paraboloid diaphragms with graphene through self-assembly nanoarchitectonics
- SOSCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
- LAEnglish
- DTArticle
- DEGraphene Oxide; Polyacrylonitrile Fibres; Nanoarchitectonics; Hyperbolic Paraboloid Shape; Acoustic Diaphragm
- IDNANOCOMPOSITES
- ABThe paper presents a study on the fabrication of a lightweight acoustic hyperbolic paraboloid (HyPar) diaphragm using self-assembly nanoarchitectonics. The diaphragm is composed of a polyacrylonitrile (PAN) network combined with graphene oxide (GO) nanolayers. Spray coating is employed as a fabrication method, providing a simple and cost-effective approach to create large-scale curved diaphragms. The results demonstrate that the PAN/GO diaphragm exhibits acoustic performance comparable to a commercially available banana pulp diaphragm while significantly reducing weight and thickness. Notably, the graphene-based diaphragm is 15 times thinner and 8 times lighter than the commercial banana pulp diaphragm. This thinner and lighter nature of the graphene-based diaphragm offers advantages in applications where weight and size constraints are critical, such as in portable audio devices or acoustic sensors.
- C1[Lin, Mo; Trubianov, Maxim; Yang, Kou; Chen, Siyu; Wang, Qian; Wu, Jiqiang; Novoselov, Kostya S.; Andreeva, Daria V.] Natl Univ Singapore, Inst Funct Intelligent Mat, Dept Mat Sci & Engn, Singapore, Singapore.
[Yang, Kou] Guangdong Univ Technol, Sch Chem Engn & Light Ind, Guangzhou, Peoples R China. [Liao, Xiaojian] Tianjin Univ, Sch Mat Sci & Engn, Tianjin, Peoples R China. [Greiner, Andreas] Univ Bayreuth, Macromol Chem & Bavarian Polymer Inst, Bayreuth, Germany - C3National University of Singapore; Institute for Functional Intelligent Materials (I-FIM); Guangdong University of Technology; Tianjin University; University of Bayreuth
- RPAndreeva, DV (corresponding author), Natl Univ Singapore, Inst Funct Intelligent Mat, 4 Sci Dr 2, Singapore 117544, Singapore
- FUMinistry of Education (Singapore) through the Research Centre of Excellence program [EDUN C-33-18-279-V12]; Deutsche Forschungsgemeinschaft [431073172]
- FXThis research was supported by the Ministry of Education (Singapore) through the Research Centre of Excellence program (Award EDUN C-33-18-279-V12, Institute for Functional Intelligent Materials). XJ and AG are indebted to the Deutsche Forschungsgemeinschaft for the financial support [grant number: 431073172].
- NR32
- TC0
- Z90
- U10
- U20
- PUTAYLOR & FRANCIS LTD
- PIABINGDON
- PA2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND
- SN1468-6996
- J9SCI TECHNOL ADV MATER
- JISci. Technol. Adv. Mater.
- PDDEC 31
- PY2024
- VL25
- DI10.1080/14686996.2024.2421757
- PG10
- WCMaterials Science, Multidisciplinary
- SCMaterials Science
- GAM5Y3A
- UTWOS:001358284700001
- ER
- EF
|
Yang, Kou; Nikolaev, Konstantin G; Li, Xiaolai; Erofeev, Ivan; Mirsaidov, Utkur M; Kravets, Vasyl G; Grigorenko, Alexander N; Qiu, Xueqing; Zhang, Shanqing; Novoselov, Kostya S; Andreeva, Daria V 2D Electrodes From Functionalized Graphene for Rapid Electrochemical Gold Extraction and Reduction From Electronic Waste ADVANCED SCIENCE, 2024, DOI: 10.1002/advs.202408533. Abstract | BibTeX | Endnote @article{ISI:001354285900001,
title = {2D Electrodes From Functionalized Graphene for Rapid Electrochemical Gold Extraction and Reduction From Electronic Waste},
author = {Kou Yang and Konstantin G Nikolaev and Xiaolai Li and Ivan Erofeev and Utkur M Mirsaidov and Vasyl G Kravets and Alexander N Grigorenko and Xueqing Qiu and Shanqing Zhang and Kostya S Novoselov and Daria V Andreeva},
doi = {10.1002/advs.202408533},
times_cited = {0},
year = {2024},
date = {2024-11-06},
journal = {ADVANCED SCIENCE},
publisher = {WILEY},
address = {111 RIVER ST, HOBOKEN 07030-5774, NJ USA},
abstract = {Electronic waste (e-waste) contains substantial quantities of valuable precious metals, particularly gold (Au). However, inefficient metal recovery leads to these precious metals being discarded in landfills, causing significant water and environmental contamination. This study introduces a two-dimensional (2D) electrode with a layered graphene oxide membrane functionalized by chitosan (GO/CS). The GO/CS membrane acts as an ion-selective layer and demonstrates capabilities in the electrochemical extraction and reduction of Au ions. The multiple functional groups of GO and CS offer high cooperativity in ion extraction and reduction, achieving 95 wt.% extraction efficiency within 10 min. The simultaneous extraction and electrocatalytic reduction of Au ions within the membrane leads to the formation of ready-to-use metallic Au forms such as chips and sensors. Such an approach eliminates the processing steps required to convert extracted gold into functional products, reducing time, cost, and energy. This direct formation of usable Au components enhances the efficiency of the recovery process, making it economically viable and environmentally sustainable. The gold mining market is projected to be valued at $270 billion by 2032, with the recycling segment reaching $10.8 billion, highlighting the substantial benefits and economic potential of efficient e-waste recycling technologies.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Electronic waste (e-waste) contains substantial quantities of valuable precious metals, particularly gold (Au). However, inefficient metal recovery leads to these precious metals being discarded in landfills, causing significant water and environmental contamination. This study introduces a two-dimensional (2D) electrode with a layered graphene oxide membrane functionalized by chitosan (GO/CS). The GO/CS membrane acts as an ion-selective layer and demonstrates capabilities in the electrochemical extraction and reduction of Au ions. The multiple functional groups of GO and CS offer high cooperativity in ion extraction and reduction, achieving 95 wt.% extraction efficiency within 10 min. The simultaneous extraction and electrocatalytic reduction of Au ions within the membrane leads to the formation of ready-to-use metallic Au forms such as chips and sensors. Such an approach eliminates the processing steps required to convert extracted gold into functional products, reducing time, cost, and energy. This direct formation of usable Au components enhances the efficiency of the recovery process, making it economically viable and environmentally sustainable. The gold mining market is projected to be valued at $270 billion by 2032, with the recycling segment reaching $10.8 billion, highlighting the substantial benefits and economic potential of efficient e-waste recycling technologies. - FNClarivate Analytics Web of Science
- VR1.0
- PTJ
- AUYang, K
Nikolaev, KG
Li, XL
Erofeev, I
Mirsaidov, UM
Kravets, VG
Grigorenko, AN
Qiu, XQ
Zhang, SQ
Novoselov, KS
Andreeva, DV
- AFKou Yang
Konstantin G Nikolaev
Xiaolai Li
Ivan Erofeev
Utkur M Mirsaidov
Vasyl G Kravets
Alexander N Grigorenko
Xueqing Qiu
Shanqing Zhang
Kostya S Novoselov
Daria V Andreeva
- TI2D Electrodes From Functionalized Graphene for Rapid Electrochemical Gold Extraction and Reduction From Electronic Waste
- SOADVANCED SCIENCE
- LAEnglish
- DTArticle
- DEChemisorption; Chitosan; Electrochemical Reduction; Electronic Waste; Gold Extraction; Graphene Oxide; Membrane
- IDSELECTIVE RECOVERY; AQUEOUS-SOLUTIONS; HIGHLY EFFICIENT; ADSORPTION; IONS; ADSORBENTS; SEPARATION; MEMBRANE; FILTER
- ABElectronic waste (e-waste) contains substantial quantities of valuable precious metals, particularly gold (Au). However, inefficient metal recovery leads to these precious metals being discarded in landfills, causing significant water and environmental contamination. This study introduces a two-dimensional (2D) electrode with a layered graphene oxide membrane functionalized by chitosan (GO/CS). The GO/CS membrane acts as an ion-selective layer and demonstrates capabilities in the electrochemical extraction and reduction of Au ions. The multiple functional groups of GO and CS offer high cooperativity in ion extraction and reduction, achieving 95 wt.% extraction efficiency within 10 min. The simultaneous extraction and electrocatalytic reduction of Au ions within the membrane leads to the formation of ready-to-use metallic Au forms such as chips and sensors. Such an approach eliminates the processing steps required to convert extracted gold into functional products, reducing time, cost, and energy. This direct formation of usable Au components enhances the efficiency of the recovery process, making it economically viable and environmentally sustainable. The gold mining market is projected to be valued at $270 billion by 2032, with the recycling segment reaching $10.8 billion, highlighting the substantial benefits and economic potential of efficient e-waste recycling technologies.
- C3Guangdong University of Technology; National University of Singapore; Institute for Functional Intelligent Materials (I-FIM); National University of Singapore; National University of Singapore; National University of Singapore; National University of Singapore; University of Manchester
- RPAndreeva, DV (corresponding author), Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore; Andreeva, DV (corresponding author), Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore
- FXThis research was supported by the Ministry of Education, Singapore, under its Research Centre of Excellence award to the Institute for Functional Intelligent Materials (I-FIM, project no. EDUNC-33-18-279-V12).
- NR39
- TC0
- Z90
- U13
- U23
- PUWILEY
- PIHOBOKEN
- PA111 RIVER ST, HOBOKEN 07030-5774, NJ USA
- J9ADVANCED SCI
- JIAdv. Sci.
- PDNOV 6
- PY2024
- DI10.1002/advs.202408533
- PG8
- WCChemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary
- SCChemistry; Science & Technology - Other Topics; Materials Science
- UTWOS:001354285900001
- ER
- EF
|
Yang, Kou; Nikolaev, Konstantin G; Li, Xiaolai; Ivanov, Artemii; Bong, Jia Hui; Erofeev, Ivan; Mirsaidov, Utkur M; Kravets, Vasyl G; Grigorenko, Alexander N; Zhang, Shanqing; Qiu, Xueqing; Novoselov, Kostya S; Andreeva, Daria V Graphene/chitosan nanoreactors for ultrafast and precise recovery and catalytic conversion of gold from electronic waste PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 121 (42), 2024, DOI: 10.1073/pnas.2414449121. Abstract | BibTeX | Endnote @article{ISI:001352746700010,
title = {Graphene/chitosan nanoreactors for ultrafast and precise recovery and catalytic conversion of gold from electronic waste},
author = {Kou Yang and Konstantin G Nikolaev and Xiaolai Li and Artemii Ivanov and Jia Hui Bong and Ivan Erofeev and Utkur M Mirsaidov and Vasyl G Kravets and Alexander N Grigorenko and Shanqing Zhang and Xueqing Qiu and Kostya S Novoselov and Daria V Andreeva},
doi = {10.1073/pnas.2414449121},
times_cited = {0},
issn = {0027-8424},
year = {2024},
date = {2024-10-15},
journal = {PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA},
volume = {121},
number = {42},
publisher = {NATL ACAD SCIENCES},
address = {2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA},
abstract = {The extraction of gold (Au) from electronic waste (e- waste) has both environmental impact and inherent value. Improper e- waste disposal poses environmental and health risks, entailing substantial remediation and healthcare costs. Large efforts are applied for the recovery of Au from e- waste using complex processes which include the dissolution of Au, its adsorption in an ionic state and succeeding reduction to metallic Au. These processes themselves being complex and utilizing harsh chemicals contribute to the environmental impact of e- waste. Here, we present an approach for the simultaneous recovery and reduction of Au3+ and Au+ ions from e- waste to produce solid Au0 forms, thus skipping several technological steps. We develop a nanoscale cross- dimensional composite material via self- assembly of two- dimensional graphene oxide and one- dimensional chitosan macromolecules, capable of acting simultaneously as a scavenger of gold ions and as a reducing agent. Such multidimensional architecture doesn't require to apply any voltage for Au adsorption and reduction and solely relies on the chemisorption kinetics of Au ions in the heterogeneous GO/CS nanoconfinements and their chemical reduction on multiple binding sites. The cooperative phenomena in ionic absorption are responsible for the extremely high efficiency of gold extraction. The extraction capacity reaches 16.8 g/g for Au3+ and 6.2 g/g for Au+, which is ten times larger than any existing gold adsorbents can propose. The efficiency is above 99.5 wt.% (current limit is 75 wt.%) and extraction ability is down to very low concentrations of 3 ppm.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
The extraction of gold (Au) from electronic waste (e- waste) has both environmental impact and inherent value. Improper e- waste disposal poses environmental and health risks, entailing substantial remediation and healthcare costs. Large efforts are applied for the recovery of Au from e- waste using complex processes which include the dissolution of Au, its adsorption in an ionic state and succeeding reduction to metallic Au. These processes themselves being complex and utilizing harsh chemicals contribute to the environmental impact of e- waste. Here, we present an approach for the simultaneous recovery and reduction of Au3+ and Au+ ions from e- waste to produce solid Au0 forms, thus skipping several technological steps. We develop a nanoscale cross- dimensional composite material via self- assembly of two- dimensional graphene oxide and one- dimensional chitosan macromolecules, capable of acting simultaneously as a scavenger of gold ions and as a reducing agent. Such multidimensional architecture doesn't require to apply any voltage for Au adsorption and reduction and solely relies on the chemisorption kinetics of Au ions in the heterogeneous GO/CS nanoconfinements and their chemical reduction on multiple binding sites. The cooperative phenomena in ionic absorption are responsible for the extremely high efficiency of gold extraction. The extraction capacity reaches 16.8 g/g for Au3+ and 6.2 g/g for Au+, which is ten times larger than any existing gold adsorbents can propose. The efficiency is above 99.5 wt.% (current limit is 75 wt.%) and extraction ability is down to very low concentrations of 3 ppm. - FNClarivate Analytics Web of Science
- VR1.0
- PTJ
- AUYang, K
Nikolaev, KG
Li, XL
Ivanov, A
Bong, JH
Erofeev, I
Mirsaidov, UM
Kravets, VG
Grigorenko, AN
Zhang, SQ
Qiu, XQ
Novoselov, KS
Andreeva, DV
- AFKou Yang
Konstantin G Nikolaev
Xiaolai Li
Artemii Ivanov
Jia Hui Bong
Ivan Erofeev
Utkur M Mirsaidov
Vasyl G Kravets
Alexander N Grigorenko
Shanqing Zhang
Xueqing Qiu
Kostya S Novoselov
Daria V Andreeva
- TIGraphene/chitosan nanoreactors for ultrafast and precise recovery and catalytic conversion of gold from electronic waste
- SOPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
- LAEnglish
- DTArticle
- DEGraphene Oxide; Chitosan; - Waste
- IDSELECTIVE RECOVERY; AQUEOUS-SOLUTIONS; GRAPHENE OXIDE; METAL IONS; ADSORPTION; NANOPARTICLES; REDUCTION; CHITOSAN; AU(III); COMPOSITES
- ABThe extraction of gold (Au) from electronic waste (e- waste) has both environmental impact and inherent value. Improper e- waste disposal poses environmental and health risks, entailing substantial remediation and healthcare costs. Large efforts are applied for the recovery of Au from e- waste using complex processes which include the dissolution of Au, its adsorption in an ionic state and succeeding reduction to metallic Au. These processes themselves being complex and utilizing harsh chemicals contribute to the environmental impact of e- waste. Here, we present an approach for the simultaneous recovery and reduction of Au3+ and Au+ ions from e- waste to produce solid Au0 forms, thus skipping several technological steps. We develop a nanoscale cross- dimensional composite material via self- assembly of two- dimensional graphene oxide and one- dimensional chitosan macromolecules, capable of acting simultaneously as a scavenger of gold ions and as a reducing agent. Such multidimensional architecture doesn't require to apply any voltage for Au adsorption and reduction and solely relies on the chemisorption kinetics of Au ions in the heterogeneous GO/CS nanoconfinements and their chemical reduction on multiple binding sites. The cooperative phenomena in ionic absorption are responsible for the extremely high efficiency of gold extraction. The extraction capacity reaches 16.8 g/g for Au3+ and 6.2 g/g for Au+, which is ten times larger than any existing gold adsorbents can propose. The efficiency is above 99.5 wt.% (current limit is 75 wt.%) and extraction ability is down to very low concentrations of 3 ppm.
- C1[Yang, Kou; Nikolaev, Konstantin G.; Ivanov, Artemii; Bong, Jia Hui; Novoselov, Kostya S.; V. Andreeva, Daria] Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore.
[Yang, Kou; Zhang, Shanqing; Qiu, Xueqing] Guangdong Univ Technol, Sch Chem Engn & Light Ind, Guangzhou 510006, Peoples R China. [Li, Xiaolai; Ivanov, Artemii; Bong, Jia Hui; Novoselov, Kostya S.; V. Andreeva, Daria] Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore. [Erofeev, Ivan] Natl Univ Singapore, Dept Biol Sci, Singapore 117558, Singapore. [Erofeev, Ivan; Mirsaidov, Utkur M.] Natl Univ Singapore, Ctr BioImaging Sci, Singapore 117543, Singapore. [Mirsaidov, Utkur M.] Natl Univ Singapore, Dept Phys, Singapore 117551, Singapore. [Kravets, Vasyl G.; Grigorenko, Alexander N.] Univ Manchester, Dept Phys & Astron, Manchester M13 9PL, England - C3Institute for Functional Intelligent Materials (I-FIM); National University of Singapore; Guangdong University of Technology; National University of Singapore; National University of Singapore; National University of Singapore; National University of Singapore; University of Manchester
- RPNovoselov, KS (corresponding author), Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore; Novoselov, KS (corresponding author), Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore
- FUMinistry of Education, Singapore [EDUNC-33-18-279-V12]; Royal Society (United Kingdom) [RSRPR190000]
- FXThis research is supported by the Ministry of Education, Singapore, under its Research Centre of Excellence award to the Institute for Functional Intelligent Materials (project no. EDUNC-33-18-279-V12) . K.S.N. acknowledges the support from the Royal Society (United Kingdom, Grant number RSRPR190000) .
- NR53
- TC0
- Z90
- U119
- U219
- PUNATL ACAD SCIENCES
- PIWASHINGTON
- PA2101 CONSTITUTION AVE NW, WASHINGTON, DC 20418 USA
- SN0027-8424
- J9PROC NAT ACAD SCI USA
- JIProc. Natl. Acad. Sci. U. S. A.
- PDOCT 15
- PY2024
- VL121
- DI10.1073/pnas.2414449121
- PG8
- WCMultidisciplinary Sciences
- SCScience & Technology - Other Topics
- GAL7V0U
- UTWOS:001352746700010
- ER
- EF
|
Wu, Jiqiang; Trubyanov, Maxim; Prvacki, Delia; Lim, Karen; Andreeva, Daria V; Novoselov, Kostya S Art and Science of Reinforcing Ceramics with Graphene via Ultrasonication Mixing ACS OMEGA, 9 (42), pp. 42944-42949, 2024, DOI: 10.1021/acsomega.4c05748. Abstract | BibTeX | Endnote @article{ISI:001336964800001,
title = {Art and Science of Reinforcing Ceramics with Graphene via Ultrasonication Mixing},
author = {Jiqiang Wu and Maxim Trubyanov and Delia Prvacki and Karen Lim and Daria V Andreeva and Kostya S Novoselov},
doi = {10.1021/acsomega.4c05748},
times_cited = {0},
issn = {2470-1343},
year = {2024},
date = {2024-10-09},
journal = {ACS OMEGA},
volume = {9},
number = {42},
pages = {42944-42949},
publisher = {AMER CHEMICAL SOC},
address = {1155 16TH ST, NW, WASHINGTON, DC 20036 USA},
abstract = {This work presents an interdisciplinary approach combining materials science, ultrasonication, artistic expression, and curatorial practice to develop and investigate novel composites. The focus of the approach is incorporating graphene oxide (GO) into kaolin and exploring its effects on material properties. The composites were prepared with varying GO concentrations and sonication times, and their mechanical, thermal, and morphological characteristics were evaluated. The results reveal that the addition of 0.5 wt % GO, combined with a sonication time of 10 min, leads to the highest storage modulus and improved thermal stability. Ultrasonication proved to be an effective method for dispersing and distributing GO particles within the kaolin matrix, resulting in an enhanced material performance. Furthermore, the application of novel composites provided by Prvacki adds a unique dimension to the study. Through the artistic interpretation, the tactile qualities and aesthetic potential of the composites are explored, shedding light on the transformative power of materials and cultural significance organized as part of an artist-in-residence commission, introduced in conjunction with the NUS Public Art Initiative. This interdisciplinary collaboration accompanied by an exhibition at the NUS Museum demonstrates the value of merging scientific research, technological advancements, and artistic exploration.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
This work presents an interdisciplinary approach combining materials science, ultrasonication, artistic expression, and curatorial practice to develop and investigate novel composites. The focus of the approach is incorporating graphene oxide (GO) into kaolin and exploring its effects on material properties. The composites were prepared with varying GO concentrations and sonication times, and their mechanical, thermal, and morphological characteristics were evaluated. The results reveal that the addition of 0.5 wt % GO, combined with a sonication time of 10 min, leads to the highest storage modulus and improved thermal stability. Ultrasonication proved to be an effective method for dispersing and distributing GO particles within the kaolin matrix, resulting in an enhanced material performance. Furthermore, the application of novel composites provided by Prvacki adds a unique dimension to the study. Through the artistic interpretation, the tactile qualities and aesthetic potential of the composites are explored, shedding light on the transformative power of materials and cultural significance organized as part of an artist-in-residence commission, introduced in conjunction with the NUS Public Art Initiative. This interdisciplinary collaboration accompanied by an exhibition at the NUS Museum demonstrates the value of merging scientific research, technological advancements, and artistic exploration. - FNClarivate Analytics Web of Science
- VR1.0
- PTJ
- AUWu, JQ
Trubyanov, M
Prvacki, D
Lim, K
Andreeva, DV
Novoselov, KS
- AFJiqiang Wu
Maxim Trubyanov
Delia Prvacki
Karen Lim
Daria V Andreeva
Kostya S Novoselov
- TIArt and Science of Reinforcing Ceramics with Graphene via Ultrasonication Mixing
- SOACS OMEGA
- LAEnglish
- DTArticle
- IDOXIDE
- ABThis work presents an interdisciplinary approach combining materials science, ultrasonication, artistic expression, and curatorial practice to develop and investigate novel composites. The focus of the approach is incorporating graphene oxide (GO) into kaolin and exploring its effects on material properties. The composites were prepared with varying GO concentrations and sonication times, and their mechanical, thermal, and morphological characteristics were evaluated. The results reveal that the addition of 0.5 wt % GO, combined with a sonication time of 10 min, leads to the highest storage modulus and improved thermal stability. Ultrasonication proved to be an effective method for dispersing and distributing GO particles within the kaolin matrix, resulting in an enhanced material performance. Furthermore, the application of novel composites provided by Prvacki adds a unique dimension to the study. Through the artistic interpretation, the tactile qualities and aesthetic potential of the composites are explored, shedding light on the transformative power of materials and cultural significance organized as part of an artist-in-residence commission, introduced in conjunction with the NUS Public Art Initiative. This interdisciplinary collaboration accompanied by an exhibition at the NUS Museum demonstrates the value of merging scientific research, technological advancements, and artistic exploration.
- C1[Wu, Jiqiang; Trubyanov, Maxim; Andreeva, Daria V.; Novoselov, Kostya S.] Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore.
[Trubyanov, Maxim; Andreeva, Daria V.; Novoselov, Kostya S.] Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore. [Prvacki, Delia] Deliarts Pte Ltd, Singapore 757718, Singapore. [Lim, Karen] Natl Univ Singapore, Publ Art Comm, NUS Museum & Secretariat, Singapore 119279, Singapore - C3National University of Singapore; National University of Singapore; Institute for Functional Intelligent Materials (I-FIM); National University of Singapore
- RPAndreeva, DV (corresponding author), Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore; Andreeva, DV (corresponding author), Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore
- FUMinistry of Education (Singapore) [EDUN C-33-18-279-V12]
- FXThis research was supported by the Ministry of Education (Singapore) through the Research Centre of Excellence program (Award EDUN C-33-18-279-V12, Institute for Functional Intelligent Materials).
- NR34
- TC0
- Z90
- U10
- U20
- PUAMER CHEMICAL SOC
- PIWASHINGTON
- PA1155 16TH ST, NW, WASHINGTON, DC 20036 USA
- SN2470-1343
- J9ACS OMEGA
- JIACS Omega
- PDOCT 9
- PY2024
- VL9
- BP42944
- EP42949
- DI10.1021/acsomega.4c05748
- PG6
- WCChemistry, Multidisciplinary
- SCChemistry
- GAJ4R9V
- UTWOS:001336964800001
- ER
- EF
|
Ohayon, David; Quek, Glenn; Yip, Benjamin Rui Peng; Lopez-Garcia, Fernando; Ng, Pei Rou; Vazquez, Ricardo Javier; Andreeva, Daria V; Wang, Xuehang; Bazan, Guillermo C High-Performance Aqueous Supercapacitors Based on a Self-Doped n-Type Conducting Polymer ADVANCED MATERIALS, 2024, DOI: 10.1002/adma.202410512. Abstract | BibTeX | Endnote @article{ISI:001321820800001,
title = {High-Performance Aqueous Supercapacitors Based on a Self-Doped n-Type Conducting Polymer},
author = {David Ohayon and Glenn Quek and Benjamin Rui Peng Yip and Fernando Lopez-Garcia and Pei Rou Ng and Ricardo Javier Vazquez and Daria V Andreeva and Xuehang Wang and Guillermo C Bazan},
doi = {10.1002/adma.202410512},
times_cited = {0},
issn = {0935-9648},
year = {2024},
date = {2024-09-30},
journal = {ADVANCED MATERIALS},
publisher = {WILEY-V C H VERLAG GMBH},
address = {POSTFACH 101161, 69451 WEINHEIM, GERMANY},
abstract = {Environmentally-benign materials play a pivotal role in advancing the scalability of energy storage devices. In particular, conjugated polymers constitute a potentially greener alternative to inorganic- and carbon-based materials. One challenge to wider implementation is the scarcity of n-doped conducting polymers to achieve full cells with high-rate performance. Herein, this work demonstrates the use of a self-doped n-doped conjugated polymer, namely poly(benzodifurandione) (PBDF), for fabricating aqueous supercapacitors. PBDF demonstrates a specific capacitance of 202 +/- 3 F g-1, retaining 81% of the initial performance over 5000 cycles at 10 A g-1 in 2 m NaCl(aq). PBDF demonstrates rate performances of up to 100 and 50 A g-1 at 1 and 2 mg cm-2, respectively. Electrochemical impedance analysis reveals a surface-mediated charge storage mechanism. Improvements can be achieved by adding reduced graphene oxide (rGO), thereby obtaining a specific capacitance of 288 +/- 8 F g-1 and high-rate operation (270 A g-1). The performance of PBDF is examined in symmetric and asymmetric membrane-less cells, demonstrating high-rate performance, while retaining 83% of the initial capacitance after 100 000 cycles at 10 A g-1. PBDF thus offers new prospects for energy storage applications, showcasing both desirable performance and stability without the need for additives or binders and relying on environmentally friendly solutions.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Environmentally-benign materials play a pivotal role in advancing the scalability of energy storage devices. In particular, conjugated polymers constitute a potentially greener alternative to inorganic- and carbon-based materials. One challenge to wider implementation is the scarcity of n-doped conducting polymers to achieve full cells with high-rate performance. Herein, this work demonstrates the use of a self-doped n-doped conjugated polymer, namely poly(benzodifurandione) (PBDF), for fabricating aqueous supercapacitors. PBDF demonstrates a specific capacitance of 202 +/- 3 F g-1, retaining 81% of the initial performance over 5000 cycles at 10 A g-1 in 2 m NaCl(aq). PBDF demonstrates rate performances of up to 100 and 50 A g-1 at 1 and 2 mg cm-2, respectively. Electrochemical impedance analysis reveals a surface-mediated charge storage mechanism. Improvements can be achieved by adding reduced graphene oxide (rGO), thereby obtaining a specific capacitance of 288 +/- 8 F g-1 and high-rate operation (270 A g-1). The performance of PBDF is examined in symmetric and asymmetric membrane-less cells, demonstrating high-rate performance, while retaining 83% of the initial capacitance after 100 000 cycles at 10 A g-1. PBDF thus offers new prospects for energy storage applications, showcasing both desirable performance and stability without the need for additives or binders and relying on environmentally friendly solutions. - FNClarivate Analytics Web of Science
- VR1.0
- PTJ
- AUOhayon, D
Quek, G
Yip, BRP
Lopez-Garcia, F
Ng, PR
Vaázquez, RJ
Andreeva, DV
Wang, XH
Bazan, GC
- AFDavid Ohayon
Glenn Quek
Benjamin Rui Peng Yip
Fernando Lopez-Garcia
Pei Rou Ng
Ricardo Javier Vazquez
Daria V Andreeva
Xuehang Wang
Guillermo C Bazan
- TIHigh-Performance Aqueous Supercapacitors Based on a Self-Doped n-Type Conducting Polymer
- SOADVANCED MATERIALS
- LAEnglish
- DTArticle
- DEAqueous Super Capacitors; Conjugated Polyelectrolyte; Energy Storage; N-type Conjugated Polymer; Pseudo Capacitors
- IDIMPEDANCE SPECTROSCOPY; MECHANISMS; ELECTRODES; GRAPHENE; STORAGE; INNER
- ABEnvironmentally-benign materials play a pivotal role in advancing the scalability of energy storage devices. In particular, conjugated polymers constitute a potentially greener alternative to inorganic- and carbon-based materials. One challenge to wider implementation is the scarcity of n-doped conducting polymers to achieve full cells with high-rate performance. Herein, this work demonstrates the use of a self-doped n-doped conjugated polymer, namely poly(benzodifurandione) (PBDF), for fabricating aqueous supercapacitors. PBDF demonstrates a specific capacitance of 202 +/- 3 F g-1, retaining 81% of the initial performance over 5000 cycles at 10 A g-1 in 2 m NaCl(aq). PBDF demonstrates rate performances of up to 100 and 50 A g-1 at 1 and 2 mg cm-2, respectively. Electrochemical impedance analysis reveals a surface-mediated charge storage mechanism. Improvements can be achieved by adding reduced graphene oxide (rGO), thereby obtaining a specific capacitance of 288 +/- 8 F g-1 and high-rate operation (270 A g-1). The performance of PBDF is examined in symmetric and asymmetric membrane-less cells, demonstrating high-rate performance, while retaining 83% of the initial capacitance after 100 000 cycles at 10 A g-1. PBDF thus offers new prospects for energy storage applications, showcasing both desirable performance and stability without the need for additives or binders and relying on environmentally friendly solutions.
- C3Institute for Functional Intelligent Materials (I-FIM); National University of Singapore; National University of Singapore; National University of Singapore; National University of Singapore; Indiana University System; Indiana University Bloomington; Delft University of Technology
- RPBazan, GC (corresponding author), Natl Univ Singapore, Inst Funct Intelligent Mat, Singapore 117544, Singapore; Bazan, GC (corresponding author), Natl Univ Singapore, Dept Chem, Singapore 119077, Singapore; Bazan, GC (corresponding author), Natl Univ Singapore, Dept Chem & Biomol Engn, Singapore 119077, Singapore; Wang, XH (corresponding author), Delft Univ Technol, Dept Radiat Sci & Technol, NL-2629 JB Delft, Netherlands
- FXThe authors would like to acknowledge the Facility for Analysis, Characterization, Testing and Simulation, the National University of Singapore, and Ms. Tan for her help in acquiring the XRD data. The authors also extend their thanks to Dr.Xinyu Wang for her help in preparing gold-coated substrates. This work was financially supported by the Competitive Research Programme of National Research Foundation Singapore (NRF-CRP27-2021-0004), the Office of Naval Research (ONR-Global, N62909-22-1-2016), and its Research Centre of Excellence award to the Institute for Functional Intelligent Materials (I-FIM, grant EDUNC-33-18-279-V12).
- NR61
- TC0
- Z90
- U14
- U24
- PUWILEY-V C H VERLAG GMBH
- PIWEINHEIM
- PAPOSTFACH 101161, 69451 WEINHEIM, GERMANY
- SN0935-9648
- J9ADVAN MATER
- JIAdv. Mater.
- PDSEP 30
- PY2024
- DI10.1002/adma.202410512
- PG11
- WCChemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter
- SCChemistry; Science & Technology - Other Topics; Materials Science; Physics
- GAH2M1G
- UTWOS:001321820800001
- ER
- EF
|