Enhanced performance of Zn and Co co-doped MoO3 nanosheets as gas sensor for n-butylamine. Issue 22 (15th November 2022)

• Record Type: Journal Article
• Authors: Liu, Aiai; Liu, Tao; Fu, Haitao; Yin, Xitao; Liu, Ke; Yu, Jingkun
• Is Part Of: Ceramics international. Volume 48:Issue 22(2022)
• Page Start: 32986
• Page End: 32993
• Publication Date: 2022-11-15
• Subjects: n-butylamine -- Gas sensor -- Co-doped MoO3 -- Operating temperature; Ceramics -- Periodicals; Céramique industrielle -- Périodiques; Ceramics; Periodicals; Electronic journals; 666
• DOI: 10.1016/j.ceramint.2022.07.230
• Languages: English
• ISSNs: 0272-8842

Abstract

Abstract: High operating temperature of metal oxide sensor devices hinders their practical applications. In order to reduce operating temperature, molybdenum trioxide (MoO3 ) nanosheets co-doped with zinc (Zn) and cobalt (Co) were successfully prepared by simple one-step hydrothermal method and characterized by X-ray diffraction, scanning electron microscopy, and X-ray photoelectron spectroscopy, and by using WS-30A gas sensor measurement system. The sensor exhibited high response to n -butylamine gas at low temperature. In particular, the response of Zn and Co co-doped MoO3 sensor was higher than that of pure MoO3 and retained excellent selectivity of MoO3 to n -butylamine. Optimum operating temperature gradually decreased with increasing Co and Zn doping amount. Multi-doping system shows great potential for the development and application of sensors, and provides feasible method for reducing their operating temperature of the sensor.