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Bimetallic nickel–cobalt hydrides in H2 activation and catalytic proton reduction

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Abstract

The synergism of the electronic properties of nickel and cobalt enables bimetallic NiCo complexes to process H2. The nickel–cobalt hydride [(dppe)Ni(pdt)(H)CoCp*]+ ([1H]+) arising from protonation of the reduced state 1 was found to be an efficient electrocatalyst for H2 evolution with Cl2CHCOOH, and the oxidized [Ni(II)Co(III)]2+ form is capable of activating H2 to produce [1H]+. The features of stereodynamics, acid–base properties, redox chemistry and reactivity of these bimetallic NiCo complexes in processing H2 are potentially related to the active site of [NiFe]-H2ases.

Graphical abstract: Bimetallic nickel–cobalt hydrides in H2 activation and catalytic proton reduction

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Publication details

The article was received on 30 Sep 2018, accepted on 26 Oct 2018 and first published on 30 Oct 2018


Article type: Edge Article
DOI: 10.1039/C8SC04346A
Citation: Chem. Sci., 2019, Advance Article
  • Open access: Creative Commons BY license
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    Bimetallic nickel–cobalt hydrides in H2 activation and catalytic proton reduction

    X. Chu, J. Jin, B. Ming, M. Pang, X. Yu, C. Tung and W. Wang, Chem. Sci., 2019, Advance Article , DOI: 10.1039/C8SC04346A

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