Journal
IEEE SENSORS JOURNAL
Volume 22, Issue 24, Pages 23821-23828Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2022.3216827
Keywords
Broadband light sensing; defects; inorganic ZnS shell; light/gas dual sensors; organic bisindolo quinoxaline-tips (BIQ-TIPs)
Funding
- Ministry of Science and Technology (MOST), Taiwan [MOST 110-2221-E-260-006, MOST 109-2222-E-260-001-MY3]
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ZnO/ZnS/BIQ-TIPs nanostructures were fabricated for light/gas dual sensing application. The synergic effects of ZnS shell and organic BIQ-TIPs materials enhanced the photosensing capability of ZnO NRs, and the ZnS shell further extended the photosensing spectrum. In addition, the light-assisted hydrogen gas sensing capability was boosted by the incorporation of ZnS shell and BIQ-TIPs materials.
ZnO/ZnS/bisindolo quinoxaline-tips (BIQ-TIPs) inorganic/organic nanostructures were fabricated for the application of light/gas dual sensors. Synergic effects of ZnS shell and organic BIQ-TIPs on the ZnO nanorods (NRs) enhanced the photosensing capability owing to efficient charge transfer from BIQ-TIPs to ZnO NRs. Furthermore, ZnS shells covering on the ZnO NRs further extended the photosensing spectrum of ZnO/BIQ-TIPs hybrid structures up to red light. In addition, light-assisted hydrogen gas sensing capability was boosted with the suppositional incorporation of ZnS shell and BIQ-TIPs organic materials. ZnO/ZnS/BIQ-TIPs nanocomposites are promising for light/gas dual sensing application with broadband photosensing wavelength range.
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