Flexible room temperature ammonia gas sensor based on in suit polymerized PANI/PVDF porous composite film

被引：17
作者：
Chen, Weigang [1 ]
Yang, Pengyu [2 ]
Shen, Wenfeng [2 ]
Zhu, Chaoting [1 ]
Lv, Dawu [2 ]
Tan, Ruiqin [3 ]
Song, Weijie [2 ]
机构：
[1] Zhejiang Pharmaceut Coll, Fac Healthcare Equipment, Ningbo 315000, Zhejiang, Peoples R China
[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
[3] Ningbo Univ, Fac Elect Engn & Comp Sci, Ningbo 315211, Zhejiang, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2020年 / 31卷 / 14期
关键词：
PET SUBSTRATE; POLYANILINE; PERFORMANCE; NANOCOMPOSITE;
D O I：
10.1007/s10854-020-03741-9
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Flexible room temperature sub-ppm ammonia (NH3) gas-sensing films based on polyaniline (PANI) nanoparticles were successfully developed on porous polyvinylidene fluoride (PVDF) substrate by in suit chemical oxidative polymerization method. The fabricated PANI/PVDF film sensor, which was synthesized with 0.1 mol/L aniline, possesses the best response value of 24.5% and 2.6% to 1 ppm and 0.1 ppm NH(3)at room temperature, respectively. Furthermore, the PANI/PVDF film sensor shows excellent selectivity towards NH(3)compared with methanol, ethanol, acetone, toluene, and formaldehyde at room temperature. The improved sensing performance is related to the porous PVDF nanostructure and synergetic effects of PVDF and PANI. Finally, the effect of working temperature and relative humidity on the sensing properties of the PANI/PVDF thin film sensor was also discussed and analyzed. The results show the potential application of the flexible PANI/PVDF film sensor for monitoring sub-ppm NH(3)gas under ambient conditions.
引用
收藏
页码：11870 / 11877
页数：8
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