Review of recent progress on graphene-based composite gas sensors

被引：86
作者：
Wang, Chenyang [1 ,2 ,3 ,4 ]
Wang, Yanyan [1 ,2 ,3 ,4 ]
Yang, Zhi [5 ]
Hu, Nantao [5 ]
机构：
[1] Soochow Univ, Sch Optoelect Sci & Engn, Suzhou 215006, Peoples R China
[2] Soochow Univ, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, Suzhou 215006, Peoples R China
[3] Soochow Univ, Key Lab Adv Opt Mfg Technol Jiangsu Prov, Suzhou 215006, Peoples R China
[4] Soochow Univ, Key Lab Modern Opt Technol Educ, Minist China, Suzhou 215006, Peoples R China
[5] Shanghai Jiao Tong Univ, Sch Elect Informat & Elect Engn, Dept Micro Nano Elect, Key Lab Thin Film & Microfabricat,Minist Educ, Shanghai 200240, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2021年 / 47卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Graphene; Gas sensor; Metal; Metal oxide; Polymer; Sensing; FORMALDEHYDE SENSING PROPERTIES; TEMPERATURE NO2 SENSORS; TIN OXIDE NANOPARTICLES; LOW DETECTION LIMIT; ONE-POT SYNTHESIS; ROOM-TEMPERATURE; SNO2; NANOPARTICLES; THIN-FILMS; SELECTIVE DETECTION; EFFICIENT DETECTION;
D O I：
10.1016/j.ceramint.2021.02.144
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Development of gas sensors for detecting toxic, harmful, flammable, and explosive gases has always been very popular research direction. Graphene is considered potential chemi-resistive gas sensing material owing to its high specific surface area and good conductivity. Recent studies have shown that graphene-based gas sensors doped with metals, polymers, and metal oxides have good sensitivity, selectivity, and repeatability. Moreover, they are superior to traditional gas sensors. In this review, sensing mechanism of such composite sensors is introduced. In addition, research status on various sensors is discussed, and their advantages and disadvantages are summarized. Possible improvement methods are proposed as well. Finally, several common problems characteristic of graphene-based gas sensors are described, together with some critical ideas for improving their performance.
引用
收藏
页码：16367 / 16384
页数：18
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