Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 236, Issue -, Pages 350-357Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2016.05.130
Keywords
ZnFe(2)O(4)composites; Triethylamine; Gas sensor; Light irradiationa
Funding
- National Natural Science Foundation of China [NSFC 51472021]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry [LXJJ201302]
- Fundamental Research Funds for the Central Universities [YS1406]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT1205]
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Light irradiation enhanced ZnO/ZnFe2O4 sensors for triethylamine gas detections have been reported in this paper. ZnO/ZnFe2O4 composites with a hexagonal nanostructure were synthesized by calcination of Zn, Fe layered double hydroxides (Zn2Fe-LDH) at certain temperatures. Focusing on the general problem that the metal oxide gas sensors for triethylamine detection often have high working temperatures around 200 degrees C, the assistance approach of light irradiation has been conducted in our work. Under the light irradiation, the gas sensing measurement indicates that the sample calcined at 600 degrees C shows considerable response to triethylamine at the working temperature of 80 degrees C. For comparison, the introduction of light irradiation has lowered the working temperature markedly, which might have potential to monitor TEA in industrial production in the future. (C) 2016 Elsevier B.V. All rights reserved.
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