Oxygen sensors made by monolayer graphene under room temperature

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题名:	Oxygen sensors made by monolayer graphene under room temperature
作者:	Chen,CW;Hung,SC;Yang,MD;Yeh,CW;Wu,CH;Chi,GC;Ren,F;Pearton,SJ
贡献者:	物理學系
关键词:	TRANSPARENT CONDUCTORS;ELECTRODES;PRESSURE;FILMS;GAS
日期:	2011
上传时间:	2012-06-11 10:51:07 (UTC+8)
出版者:	國立中央大學
摘要:	The electrical resistivity of monolayer graphene exhibit significant changes upon expose to different concentration of oxygen (O(2)) at room temperature. The monolayer graphene, grown by chemical vapor deposition with perfect uniformity within 1 cm x 1 cm will attach O(2) molecules and enhance the hole conductivity, which will lead to a change of resistivity of graphene thin film. We quantified the change of resistivity of graphene versus different O(2) concentration and the detection limit of the simple O(2) sensor was 1.25% in volume ratio. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3668105]
關聯:	APPLIED PHYSICS LETTERS
显示于类别:	[物理學系] 期刊論文

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