Chinese Journal of Catalysis ›› 2021, Vol. 42 ›› Issue (8): 1345-1351.DOI: 10.1016/S1872-2067(20)63738-X
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Huihui Hu, Lingzhen Zeng, Zhe Li, Tianbao Zhu, Cheng Wang*()
Received:
2020-08-28
Accepted:
2020-11-18
Online:
2021-08-18
Published:
2020-12-10
Contact:
Cheng Wang
About author:
*. E-mail: wangchengxmu@xmu.edu.cnSupported by:
Huihui Hu, Lingzhen Zeng, Zhe Li, Tianbao Zhu, Cheng Wang. Incorporating porphyrin-Pt in light-harvesting metal-organic frameworks for enhanced visible light-driven hydrogen production[J]. Chinese Journal of Catalysis, 2021, 42(8): 1345-1351.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(20)63738-X
Fig. 1. (a) Structure of Hf-[(TCPP)PtII]-MOF(PCN-223) with green polyhedrons representing Hf6O4OH4(COO)12 clusters and yellow balls representing Pt in the center of [(TCPP)PtII]; (b) Structure of Hf-[(TCPP)ZnII/PtII]-MOF(PCN-223) with green polyhedrons representing Hf6O4OH4(COO)12 clusters, purple balls representing Zn in the center of [(TCPP)ZnII], and yellow balls representing Pt in the center of [(TCPP)PtII]; (c) The photocatalytic hydrogen evolution by Hf-[(TCPP)PtII]-MOF(PCN-223) under visible-light irradiation, light source: 420 nm LED. (d) The photocatalytic hydrogen evolution by Hf-[(TCPP)ZnII/PtII]-MOF(PCN-223) under visible-light irradiation, light source: 420 nm LED.
Fig. 3. (a) Phosphorescence emission spectra of [(TCPP)PtII]; (b) Time-resolved phosphorescence spectra of [(TCPP)PtII]; (c) Time trace of nsTA at 460 nm of [(TCPP)PtII]; (d) Time trace of nsTA at 460 nm of Hf-[(TCPP)ZnII/PtII]-MOF (PCN-223).
Fig. 4. (a) Proposed catalytic cycle for the visible light-driven HER catalyzed by [(TCPP)PtII]; (b) Free energy profiles for HER by [(TCPP)PtII] in different possible reaction paths calculated by DFT.
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