Browsing by Author "Chou, Tsung-Wei"

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ZnO/ZnS core-shell nanostructures for hydrogen gas sensing performances
(2019-10-01)
Tsai, Yu-Sheng
;
Chou, Tsung-Wei
;
Xu, Chun Yu
;
Huang, Wen Chang
;
Lin, Chia Feng
ZnO/ZnS core-shell structures were hydrothermally grown on SiO2 substrates functioning as hydrogen gas sensing chips. Results indicate that a core-shell structure with an appropriate sulfurization period of 10 min had better H-2 sensing performance than those of all other growth conditions. Furthermore, multiple material characterizations revealed that ZnS with a growth time of 10 min could form high-quality and good-adherent ZnS powders with moderate thickness attached to the ZnO nanorods. Because of their small size, portability, simple fabrication and high sensitivity, ZnO/ZnS core-shell based H-2 gas sensors show promise for future H-2 detecting applications.