Cu Doped ZnO Electrospun Nanofibers for Ethanol Detector with Broad Linear Response†

doi:10.7503/cjcu20160892

Chem. J. Chinese Universities ›› 2017, Vol. 38 ›› Issue (6): 942.doi: 10.7503/cjcu20160892

• Special Articles of China International Conference on Electrospinning(CICE 2016) • Previous Articles Next Articles

Cu Doped ZnO Electrospun Nanofibers for Ethanol Detector with Broad Linear Response^†

XU Jinbao¹, WANG Wei^2,^*(), WANG Ce^3,^*()

1. Electromechanical Department, Jilin Vocational College of Industry and Technology, Jilin 132013, China
2. State Key Laboratory of Urban Water Resources and Environments(SKLUWRE),Harbin Institute of Technology, Harbin 150090, China
3. Alan G MacDiarmid Institute, College of Chemistry, Jilin University, Changchun 130012, China

Received:2016-12-12 Online:2017-06-10 Published:2017-04-13
Contact: WANG Wei,WANG Ce E-mail:psweiwang@aliyun.com;cwang@jlu.edu.cn
Supported by:
† Supported by the National Natural Science Foundation of China(No. 21304024).

Abstract

Abstract:

Saturation phenomena of sensing signal often appear when target molecular was still at a low concentration, which threatens the gas detection. Herein, Cu doped ZnO composite nanofibers were prepared via electrospinning combined with subsequent calcination, and then were characterized by XRD, XPS, SEM, TEM, and so on. The sensors based on Cu doped ZnO composite nanofibers exhibited excellent sensing performance towards ethanol vapor, when the molar ratio of Cu to Zn was 1∶60. Activated by the Cu dopant, the composite nanofibers presented high responsivity, long-term stability, rapid response and recovery(2 s/7 s). Notably, the linear range of the sensor for detecting ethanol was 5—10⁴ μg/g, which was much wider than former reports and would be helpful for gas detecting in practical applications.

Key words: Electrospinning, Nanofibers, Gas sensor, Linear response

CLC Number:

O649

TrendMD:

XU Jinbao, WANG Wei, WANG Ce. Cu Doped ZnO Electrospun Nanofibers for Ethanol Detector with Broad Linear Response^†[J]. Chem. J. Chinese Universities, 2017, 38(6): 942.

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Cu Doped ZnO Electrospun Nanofibers for Ethanol Detector with Broad Linear Response^†

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