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Open access
Small, volume 16, issue 47, pages 2004782

Nano-Thermodynamics of Chemically Induced Graphene–Diamond Transformation

Publication typeJournal Article
Publication date2020-10-26
Journal: Small
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor13.3
ISSN16136810, 16136829
General Chemistry
Biotechnology
General Materials Science
Biomaterials
Abstract
Nearly 2D diamond, or diamane, is coveted as an ultrathin sp3 -carbon film with unique mechanics and electro-optics. The very thinness (≈h) makes it possible for the surface chemistry, for example, adsorbed atoms, to shift the bulk phase thermodynamics in favor of diamond, from multilayer graphene. Thermodynamic theory coupled with atomistic first principles computations predicts not only the reduction of required pressure (p/p∞  > 1 - h0 /h) but also the nucleation barriers, definitive for the kinetic feasibility of diamane formation. Moreover, the optimal adsorbent chair-pattern on a bilayer graphene results in a cubic diamond lattice, while for thicker precursors the adsorbent boat-structure tends to produce hexagonal diamond (lonsdaleite), if graphene is in AA' stacking to start with. As adsorbents, H and F are conducive to diamond formation, while Cl appears sterically hindered.

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GOST |
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GOST Copy
Erohin S. V. et al. Nano-Thermodynamics of Chemically Induced Graphene–Diamond Transformation // Small. 2020. Vol. 16. No. 47. p. 2004782.
GOST all authors (up to 50) Copy
Erohin S. V., Ruan Q., Sorokin P. B., Yakobson B. I. Nano-Thermodynamics of Chemically Induced Graphene–Diamond Transformation // Small. 2020. Vol. 16. No. 47. p. 2004782.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1002/smll.202004782
UR - https://doi.org/10.1002%2Fsmll.202004782
TI - Nano-Thermodynamics of Chemically Induced Graphene–Diamond Transformation
T2 - Small
AU - Ruan, Qiyuan
AU - Yakobson, Boris I.
AU - Erohin, Sergey V
AU - Sorokin, Pavel B.
PY - 2020
DA - 2020/10/26 00:00:00
PB - Wiley
SP - 2004782
IS - 47
VL - 16
SN - 1613-6810
SN - 1613-6829
ER -
BibTex |
Cite this
BibTex Copy
@article{2020_Erohin,
author = {Qiyuan Ruan and Boris I. Yakobson and Sergey V Erohin and Pavel B. Sorokin},
title = {Nano-Thermodynamics of Chemically Induced Graphene–Diamond Transformation},
journal = {Small},
year = {2020},
volume = {16},
publisher = {Wiley},
month = {oct},
url = {https://doi.org/10.1002%2Fsmll.202004782},
number = {47},
pages = {2004782},
doi = {10.1002/smll.202004782}
}
MLA
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MLA Copy
Erohin, Sergey V., et al. “Nano-Thermodynamics of Chemically Induced Graphene–Diamond Transformation.” Small, vol. 16, no. 47, Oct. 2020, p. 2004782. https://doi.org/10.1002%2Fsmll.202004782.
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