Curvature effect on the barrier from the physisorption to the chemisorption of H2 on graphene

Baotao Kang; Sunwoo Kang; Shihai Yan; Jin Yong Lee

doi:10.5012/bkcs.2011.32.3.934

Curvature effect on the barrier from the physisorption to the chemisorption of H₂ on graphene

Baotao Kang, Sunwoo Kang, Shihai Yan, Jin Yong Lee

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

The curvature dependence of the physisorptions of H₂ on graphene surface and their barrier to the chemisorptions has been studied. The graphene with steeper curvature can adsorb H₂ stronger due to the more sp ³ character of the carbon. However, for the negative curvature, the binding strength of the physisorption and the barrier to the chemisorptions are determined by steric repulsion as well as the sp³ character.

Original language	English
Pages (from-to)	934-938
Number of pages	5
Journal	Bulletin of the Korean Chemical Society
Volume	32
Issue number	3
DOIs	https://doi.org/10.5012/bkcs.2011.32.3.934
State	Published - 20 Mar 2011

Keywords

Adsorption
Curvature effect
Graphene
Hydrogenation

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10.5012/bkcs.2011.32.3.934

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abstract = "The curvature dependence of the physisorptions of H2 on graphene surface and their barrier to the chemisorptions has been studied. The graphene with steeper curvature can adsorb H2 stronger due to the more sp 3 character of the carbon. However, for the negative curvature, the binding strength of the physisorption and the barrier to the chemisorptions are determined by steric repulsion as well as the sp3 character.",

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AU - Kang, Baotao

AU - Kang, Sunwoo

AU - Yan, Shihai

AU - Lee, Jin Yong

PY - 2011/3/20

Y1 - 2011/3/20

N2 - The curvature dependence of the physisorptions of H2 on graphene surface and their barrier to the chemisorptions has been studied. The graphene with steeper curvature can adsorb H2 stronger due to the more sp 3 character of the carbon. However, for the negative curvature, the binding strength of the physisorption and the barrier to the chemisorptions are determined by steric repulsion as well as the sp3 character.

AB - The curvature dependence of the physisorptions of H2 on graphene surface and their barrier to the chemisorptions has been studied. The graphene with steeper curvature can adsorb H2 stronger due to the more sp 3 character of the carbon. However, for the negative curvature, the binding strength of the physisorption and the barrier to the chemisorptions are determined by steric repulsion as well as the sp3 character.

KW - Adsorption

KW - Curvature effect

KW - Graphene

KW - Hydrogenation

UR - https://www.scopus.com/pages/publications/79953247182

U2 - 10.5012/bkcs.2011.32.3.934

DO - 10.5012/bkcs.2011.32.3.934

M3 - Article

AN - SCOPUS:79953247182

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VL - 32

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JO - Bulletin of the Korean Chemical Society

JF - Bulletin of the Korean Chemical Society

IS - 3

ER -

Curvature effect on the barrier from the physisorption to the chemisorption of H₂ on graphene

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Keywords

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