期刊
CERAMICS INTERNATIONAL
卷 44, 期 11, 页码 12308-12314出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2018.04.018
关键词
ZnO nanorod; H-2 sensing; CNT; Grapheme; Oxygen defect; Nanorod fusion
资金
- Ministry of Science and Technology, Taiwan, ROC [MOST 104-2221-E-260-002-MY3]
In this study, ZnO nanorods (NRs) were grown using solgel/hydrothermal methods on SiO2, carbon nanotube (CNT)/SiO2, and graphene/SiO2 substrates to form hydrogen gas sensing chips. Results indicate that ZnO NRs/CNT/SiO2 structures exhibited better H-2 sensing performance than the other two types of ZnO NRs-based structures. Furthermore, multiple electrical and material characterizations show that ZnO NRs/CNT/SiO2 structures had a stronger (002) crystalline phase, with nanorod fusion near the bottom, and more oxygen-related defects. Owing to their small size, simple fabrication, and low cost, the ZnO NRs/CNT/SiO2 based H-2 gas sensors are promising for future industrial H-2 sensing applications.
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