Surface oxygen vacancy defect engineering of p-CuAlO2via Ar&H2 plasma treatment for enhancing VOCs sensing performances

Surface oxygen vacancy defect engineering of p-CuAlO2via Ar&H2 plasma treatment for enhancing VOCs sensing performances

Ar&H2 plasma treatment was proposed to enhance the response of a p-CuAlO2 sensor toward volatile organic compounds. Comprehensive defect characterization studies indicate a substantial increase of surface unsaturated oxygen vacancy (VO) defects via plasma treatment, which could provide active si...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2019-01, Vol.55 (78), p.11691-11694
Hauptverfasser: Tong, Bin, Meng, Gang, Deng, Zanhong, Horprathum, Mati, Klamchuen, Annop, Fang, Xiaodong
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
Plasma
Vacancies
VOCs
Volatile organic compounds
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Zusammenfassung:Ar&H2 plasma treatment was proposed to enhance the response of a p-CuAlO2 sensor toward volatile organic compounds. Comprehensive defect characterization studies indicate a substantial increase of surface unsaturated oxygen vacancy (VO) defects via plasma treatment, which could provide active sites for molecule adsorption and the subsequent interfacial redox reaction.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc05881h