期刊
JOURNAL OF CHEMICAL PHYSICS
卷 139, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4813528
关键词
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资金
- National Science Foundation of China [11104278]
- Alexander von Humboldt (AvH) foundation
Unlike on hexagonal graphene where Li atoms tend to cluster, using density functional theory, we demonstrate that Li atoms remain isolated on tetrasymmetrical T graphene due to a nonuniform charge distribution in T graphene. Furthermore, we examine the adsorption of several common gas molecules and find that Li-decorated T graphene exhibits a high sensitivity to CO. The CO adsorption strength can be manipulated by an external electric field, resulting in a short recovery time. Our results provide an insight to build promising nanosensors based on two-dimensional carbonic materials beyond hexagonal symmetry. (C) 2013 AIP Publishing LLC.
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