People

@article{WOS:001396241000050,
title = {From 2D kaolinite to 3D amorphous cement},
author = {Juan A G Carrio and Ricardo K Donato and Alexandra Carvalho and Gavin K W Koon and Katarzyna Z Donato and Xin Hui Yau and Dmytro Kosiachevskyi and Karen Lim and Vedarethinam Ravi and Josny Joy and Kelda Goh and Jose Vitorio Emiliano and Jerome E Lombardi and Castro A H Neto},
doi = {10.1038/s41598-024-81882-1},
times_cited = {4},
issn = {2045-2322},
year = {2025},
date = {2025-01-01},
journal = {SCIENTIFIC REPORTS},
volume = {15},
number = {1},
publisher = {NATURE PORTFOLIO},
address = {HEIDELBERGER PLATZ 3, BERLIN, 14197, GERMANY},
abstract = {Kaolinite is a single 2D layer of kaolin or metakaolin (MK), common
clays that can be characterized as layered 3D materials. We show that
because of its chemical composition, kaolinite can be converted into an
amorphous 3D material by chemical means. This dimensional transformation
is possible due to the large surface to volume ratio and chemical
reactivity of kaolinite. We investigate the formation and influence of
quasi- or nanocrystalline phases in MK-based alkali-activated materials
(AAM) that are related to the Si/Al ratio. We analyze the formation of
an AAM from a MK precursor, which is a 3D bonded network that preserves
the layered structure at the nanometer scale. We also exfoliate the
remaining layered phase to examine the effects of the alkali-activation
in the final sheet structures embedded within the amorphous network. The
final material can be used as a cement with no carbon dioxide produced
by the transformation reaction.},
keywords = {},
pubstate = {published},
tppubtype = {article}
}