Abstract
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 H2 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 H2 gas sensors show promise for future H2 detecting applications.
Original language | English |
---|---|
Pages (from-to) | 17751-17757 |
Number of pages | 7 |
Journal | Ceramics International |
Volume | 45 |
Issue number | 14 |
DOIs | |
State | Published - 1 Oct 2019 |
Keywords
- H sensing
- Shell coverage
- Sulfurization conditions
- Surface morphology
- ZnO/ZnS core-shell