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Enhanced photocatalytic hydrogen evolution over bimetallic Zeolite Imidazole Framework encapsulated CdS nanorod

Abstract

Hybrid of ZIF-8 with CdS nanorod could increase the transport efficiency of photo-generated charge carriers, and the increased the surface area. Notably, through doping the Zn ion with the transition metal, this work fabricated the bimetallic ZnM-ZIF (M = Ni, Cu, Co) encapsulated CdS nanorod heterostructure for the first time. Compared with the ZIF-8, the bimetallic ZIF possessed modulated structure, flat band position, and overpotential for the hydrogen evolution reaction. The ZnM-ZIF not only improved the transfer of water and light, but also boosted the separation of charge carriers. Consequently, the optimized CdS-ZnM-ZIF with Cu, Ni, Co doping show a photocatalytic hydrogen activity of 44, 92, and 59 times larger than that of the pristine CdS nanorod. This work would open a new method for the better utilization of porous MOF crystal for photocatalyst.

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Supplementary files

Publication details

The article was received on 18 Dec 2018, accepted on 06 Feb 2019 and first published on 11 Feb 2019


Article type: Communication
DOI: 10.1039/C8DT04964E
Citation: Dalton Trans., 2019, Accepted Manuscript

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    Enhanced photocatalytic hydrogen evolution over bimetallic Zeolite Imidazole Framework encapsulated CdS nanorod

    J. Zhao , Y. Wang, X. Tang, Y. Li , F. Liu, Y. Zhang and K. Li , Dalton Trans., 2019, Accepted Manuscript , DOI: 10.1039/C8DT04964E

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