Chinese Journal of Catalysis ›› 2022, Vol. 43 ›› Issue (2): 234-245.DOI: 10.1016/S1872-2067(20)63783-4
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Wenhua Xuea, Hongli Suna, Xiaoyun Hub, Xue Baia, Jun Fana, Enzhou Liua,*
Received:
2021-01-29
Accepted:
2021-02-22
Online:
2022-02-18
Published:
2021-02-22
Contact:
Enzhou Liu
Supported by:
Wenhua Xue, Hongli Sun, Xiaoyun Hu, Xue Bai, Jun Fan, Enzhou Liu. UV-VIS-NIR-induced extraordinary H2 evolution over W18O49/Cd0.5Zn0.5S: Surface plasmon effect coupled with S-scheme charge transfer[J]. Chinese Journal of Catalysis, 2022, 43(2): 234-245.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(20)63783-4
Fig. 3. (a) UV-vis-NIR absorption spectra; (b) High resolution XPS spectra of W; (c) ESR spectrum of W18O49 before calcination; (d) Raman spectra (excited at 514 nm).
Fig. 4. (a) Calculated band gaps of Cd0.5Zn0.5S according to Kubelka-Munk plot conversion; Mott-Schottky (M-S) curves (b,c) and UPS spectra (d) of W18O49 and Cd0.5Zn0.5S.
Fig. 5. H2 evolution of the samples under UV-VIS-NIR (a) and visible light (b) at 25 °C; (c) H2 evolution of the samples under NIR; (d) wavelength-dependent H2 evolution of 20%-W18O49/Cd0.5Zn0.5S at 25 °C.
Fig. 6. (a) Comparison of H2 evolution performance of the samples over various conditions; (b) Wavelength-dependent H2 evolution of 20%-W18O49/Cd0.5Zn0.5S at 60 °C.
Fig. 8. Transient I-t curves (a), open-circuit voltage (b), EIS spectra (the inset is the Nyquist arc) (c), and linear sweep voltammetry (d) under UV light.
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