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Noble metal-free integrated UiO-66-PANI-Co3O4 catalyst for visible-light-induced H2 production

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Abstract

The discriminate etching chemistry (crystal engineering) of metal–organic frameworks (MOFs) offers promising opportunities for tailoring electron–hole separation, and charge-carrier utilization plays a central role in photocatalysis. Herein, the noble metal-free examples of polyaniline (PANI)-sensitized cobalt oxide functionalized perfect crystal UiO-66 and defective crystal UiO-66D photocatalysts were synthesized and evaluated for photocatalytic hydrogen generation from water under visible light irradiation. A viable route for the simple yet effective modification of UiO-66 by implanting PANI and cobalt oxide was demonstrated for the development of a series of UiO-66-based catalysts. The UiO-66-PANI-Co3O4 catalyst showed staggeringly enhanced photocatalytic activity, which was 24 times that of the pristine UiO-66(Zr).

Graphical abstract: Noble metal-free integrated UiO-66-PANI-Co3O4 catalyst for visible-light-induced H2 production

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Publication details

The article was received on 20 Sep 2019, accepted on 01 Nov 2019 and first published on 01 Nov 2019


Article type: Communication
DOI: 10.1039/C9CC07414G
Chem. Commun., 2019, Advance Article

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    Noble metal-free integrated UiO-66-PANI-Co3O4 catalyst for visible-light-induced H2 production

    A. K. Singh, S. Gonuguntla, B. Mahajan and U. Pal, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C9CC07414G

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