Chinese Journal of Catalysis ›› 2022, Vol. 43 ›› Issue (9): 2332-2341.DOI: 10.1016/S1872-2067(21)63949-9
• Special column on renewable fuel synthesis by photocatalysis and photoelectrocatalysis • Previous Articles Next Articles
Haijun Hua, Kailai Zhanga, Ge Yana, Litong Shia, Baohua Jiab, Hongwei Huangc, Yu Zhanga, Xiaodong Suna,*(), Tianyi Mab,#(
)
Received:
2021-09-16
Accepted:
2021-09-28
Online:
2022-09-18
Published:
2022-07-20
Contact:
Xiaodong Sun, Tianyi Ma
Supported by:
Haijun Hu, Kailai Zhang, Ge Yan, Litong Shi, Baohua Jia, Hongwei Huang, Yu Zhang, Xiaodong Sun, Tianyi Ma. Precisely decorating CdS on Zr-MOFs through pore functionalization strategy: A highly efficient photocatalyst for H2 production[J]. Chinese Journal of Catalysis, 2022, 43(9): 2332-2341.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(21)63949-9
Fig. 1. (a?c) SEM images of Zr-MOF, Zr-MOF-S and Zr-MOF-S@CdS(48). (d,e) TEM images of Zr-MOF and Zr-MOF-S. (f) HRTEM image of Zr-MOF-S@CdS(48). (g?l) the SEM-EDS images of Zr-MOF-S@CdS(48).
Fig. 3. (a) The survey XPS spectra of CdS, Zr-MOF-S@CdS(48), Zr-MOF-S and Zr-MOF. (b) Typical Zr 3d XPS spectra of Zr-MOF-S, Zr-MOF and Zr-MOF-S@CdS(48). (c) Typical Cd 3d XPS spectra of CdS and Zr-MOF-S@CdS(48). (d) Typical S 2p XPS spectra of CdS and Zr-MOF-S@CdS(48).
Fig. 4. (a) UV-Vis diffuse reflectance spectra for CdS, Zr-MOF, Zr-MOF-S and Zr-MOF-S@CdS composites with altered weight ratios of CdS. (b) Tauc plot of CdS and Zr-MOF-S. (c,d) Mott-Schottky plots for CdS and Zr-MOF-S in a 0.2 mol L?1 Na2SO4 aqueous solution (pH = 6.8).
Fig. 5. Schematic energy-band diagrams for CdS and Zr-MOF-S (VBM, CBM, Vac, HOMO, LUMO, Ef and W1, W2 denote valence band maximum, conduction band minimum, vacuum level, highest occupied molecular orbital, lowest unoccupied molecular orbital, Fermi level, Work function, respectively (in eV)).
Fig. 6. (a,b) Photocatalytic H2 evolution amount and H2 production rate of CdS, Zr-MOF and Zr-MOF-S@CdS composites with altered weight ratios of CdS. (c) Photocatalytic H2 evolution amount comparison for Zr-MOF-S@CdS(48) with different sacrificial agents. (d) The recycle tests of Zr-MOF-S@CdS(48).
Fig. 7. (a) The electrochemical impedance spectroscopy plots for CdS, Zr-MOF/CdS(48) and Zr-MOF-S@CdS composites with altered weight ratios of CdS. (b) Transient photocurrent responses for CdS, Zr-MOF/CdS(48), Zr-MOF-S and Zr-MOF-S@CdS composites with altered weight ratios of CdS.
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