Study of Two Vanadium Based Materials as Working Electrode for Developing A Selective Mixed-Potential Ammonia Sensor

Proceedings

Viricelle, Jean-Paul¹  Abkenar, Gita Nematbakhsh²  Rieu, Mathilde³ 

[1] Author to whom correspondence should be addressed.;Mines Saint-Etienne, Univ Lyon, CNRS, UMR 5307 LGF, Centre SPIN, F—42023 Saint-Etienne, France;Presented at the Eurosensors 2018 Conference, Graz, Austria, 9–12 September 2018

关键词: mixed potential sensor;    ammonia gas sensor;    working electrode;    vanadium oxide;    Ni3V2O8;   

DOI  :  10.3390/proceedings2130770

学科分类：社会科学、人文和艺术（综合）

来源: mdpi

【 摘 要 】

Mixed potential ammonia gas sensors were fabricated by using two sensing materials of Ni3V2O8 and Au-V2O5 as working electrodes, YSZ as electrolyte and platinum as reference electrode. The results have shown that the Ni3V2O8 sensors show cross-sensitivity toward NO gas. However, Au-V2O5 working electrodes displayed a high sensitivity to NH3 as well as fast response and recovery times at high temperatures. Furthermore, the results indicate that the selectivity of Au-V2O5 sensors increases by increasing temperature.

【 授权许可】

CC BY