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A new Ni–diaminoglyoxime–g-C3N4 complex towards efficient photocatalytic ethanol splitting via a ligand-to-metal charge transfer (LMCT) mechanism

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Abstract

We report a novel Ni–diaminoglyoxime–g-C3N4 (Ni–DAG–CN) complex for H2 evolution through photocatalytic ethanol splitting. Compared to that of pristine g-C3N4, Ni–DAG–CN exhibits a 21-fold enhancement of photocatalytic activity (296.1 μmol h−1 g−1) under irradiation with excellent stability. The enhanced photocatalytic activity can be attributed to a proposed ligand-to-metal charge transfer (LMCT) mechanism, which is illustrated both experimentally and theoretically. This work provides great potential in the future design of low-cost, high-performance photocatalysts for H2 evolution from alcohol splitting.

Graphical abstract: A new Ni–diaminoglyoxime–g-C3N4 complex towards efficient photocatalytic ethanol splitting via a ligand-to-metal charge transfer (LMCT) mechanism

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Article information


Submitted
12 Feb 2020
Accepted
19 May 2020
First published
19 May 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

A new Ni–diaminoglyoxime–g-C3N4 complex towards efficient photocatalytic ethanol splitting via a ligand-to-metal charge transfer (LMCT) mechanism

Y. Xu, C. Du, C. Zhou and S. Yang, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC01120G

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