Sensitive, real-time and anti-interfering detection of nitro-explosive vapors realized by ZnO/rGO core/shell micro-Schottky junction
Guo, LJ (Guo, Linjuan); Yang, Z (Yang, Zheng); Li, YS (Li, Yushu); Zu, BY (Zu, Baiyi); Dou, XC (Dou, Xincun); Dou, XC
2017
发表期刊SENSORS AND ACTUATORS B-CHEMICAL
卷号239期号:2页码:286-294
摘要The ZnO/rGO core/shell micro-Schottky junction was successfully prepared via a one-step facile hydrothermal method. It is found that the resulting gas sensor exhibited excellent capability to detect trace vapor of nitro-explosives, typically, the responses towards 9 ppb 2,4,6-trinitrotoluene (TNT) and 4.9 ppt hexogen (RDX) reach to 56.8% and 80%, respectively, and all the response times are less than 5 s. Most importantly, superior anti-interfering property is shown even towards interfering gases of ppm level. Furthermore, it is demonstrated that with the wrapping of rGO, the response values of the pure ZnO-based sensor for TNT and RDX detection were boosted by 5.5 and 3.4 times. The enhanced sensing performance is attributed to the micro-Schottky junction built at the interface of ZnO and rGO. The present work demonstrates that the ZnO/rGO core/shell micro-Schottky junction is an excellent candidate material for explosives detection.
DOI10.1016/j.snb.2016.07.175
收录类别SCI
WOS记录号WOS:000388951300034
引用统计
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4874
专题中国科学院特殊环境功能材料与器件重点试验室
通讯作者Dou, XC
作者单位1.Chinese Acad Sci, Key Lab Funct Mat & Devices Special Environm, Lab Environm Sci & Technol, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Guo, LJ ,Yang, Z ,Li, YS ,et al. Sensitive, real-time and anti-interfering detection of nitro-explosive vapors realized by ZnO/rGO core/shell micro-Schottky junction[J]. SENSORS AND ACTUATORS B-CHEMICAL,2017,239(2):286-294.
APA Guo, LJ ,Yang, Z ,Li, YS ,Zu, BY ,Dou, XC ,&Dou, XC.(2017).Sensitive, real-time and anti-interfering detection of nitro-explosive vapors realized by ZnO/rGO core/shell micro-Schottky junction.SENSORS AND ACTUATORS B-CHEMICAL,239(2),286-294.
MLA Guo, LJ ,et al."Sensitive, real-time and anti-interfering detection of nitro-explosive vapors realized by ZnO/rGO core/shell micro-Schottky junction".SENSORS AND ACTUATORS B-CHEMICAL 239.2(2017):286-294.
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