期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 157, 期 1, 页码 310-313出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2011.03.035
关键词
Graphene; Mechanical cleavage; Gas sensor; Carbon dioxide sensor
资金
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [1055932] Funding Source: National Science Foundation
In this article, we report on a high-performance graphene carbon dioxide (CO(2)) gas sensor fabricated by mechanical cleavage. Unlike other solid-state gas sensors, the graphene sensor can be operated under ambient conditions and at room temperature. Changes in the device conductance are measured for various concentrations of CO(2) gas adsorbed on the surface of graphene. The conductance of the graphene gas sensor increases linearly when the concentration of CO(2) gas is increased from 10 to 100 ppm. The advantages of this sensor are high sensitivity, fast response time, short recovery time, and low power consumption. (C) 2011 Elsevier B.V. All rights reserved.
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