Browsing by Author "Lin, Yung-Sen"

Now showing 1 - 2 of 2

Influence of reduced graphene oxide on material, antibacterial, and piezoelectric behaviors of ZnO nanorods on foldable indium tin oxide substrates
(2019-07-01)
Tsai, Yu-Sheng
;
Chen, Yan Yu
;
Xu, Chun Yu
;
Chang, Yu Cheng
;
Tsai, Yang Yang
In this study, zinc oxide nanostructures integrated with reduced graphene oxide (RGO) were fabricated on foldable indium tin oxide substrates. To study the influence of RGO on the material, antibacterial, and piezoelectric properties on the nanostructures, multiple material, antibacterial, and electrical measurements were performed. Results indicate that inserting a RGO layer on the foldable substrate could form nanocylinder ZnO structures, which induced hydrophobicity and better antibacterial properties. Moreover, addition of appropriate RGO into ZnO seed layer may cause the growth of finer ZnO nanorods (NRs) and enhance piezoelectric effects. With stable electrical pulse generative piezoelectric effects and antibacterial properties, ZnO nanostructures with addition of RGO on foldable substrates have potential for future flexible biomedical and electronics applications.
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.