期刊
NANO-MICRO LETTERS
卷 8, 期 2, 页码 95-119出版社
SHANGHAI JIAO TONG UNIV PRESS
DOI: 10.1007/s40820-015-0073-1
关键词
Graphene; Gas/Vapor sensor; Chemiresistor; Detection mechanism
资金
- National Basic Research Program of China [2013CB932500]
- National Natural Science Foundation of China [21171117, 61574091]
- Program for New Century Excellent Talents in University [NCET-12-0356]
- Program of Shanghai Academic/Technology Research Leader [15XD1525200]
- Shanghai Jiao Tong University Agri-X Funding [Agri-X2015007]
- Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning
Graphene-based gas/vapor sensors have attracted much attention in recent years due to their variety of structures, unique sensing performances, room-temperature working conditions, and tremendous application prospects, etc. Herein, we summarize recent advantages in graphene preparation, sensor construction, and sensing properties of various graphene-based gas/vapor sensors, such as NH3, NO2, H-2, CO, SO2, H2S, as well as vapor of volatile organic compounds. The detection mechanisms pertaining to various gases are also discussed. In conclusion part, some existing problems which may hinder the sensor applications are presented. Several possible methods to solve these problems are proposed, for example, conceived solutions, hybrid nanostructures, multiple sensor arrays, and new recognition algorithm.
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