Carbon-doped BN nanosheets for metal-free photoredox catalysis

Caijin Huang, Cheng Chen, Mingwen Zhang, Lihua Lin, Xinxin Ye, Sen Lin, Markus Antonietti and Xinchen Wang ()
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Caijin Huang: State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University
Cheng Chen: State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University
Mingwen Zhang: State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University
Lihua Lin: State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University
Xinxin Ye: State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University
Sen Lin: State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University
Markus Antonietti: Max Planck Institute of Colloids and Interfaces
Xinchen Wang: State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University

Nature Communications, 2015, vol. 6, issue 1, 1-7

Abstract: Abstract The generation of sustainable and stable semiconductors for solar energy conversion by photoredox catalysis, for example, light-induced water splitting and carbon dioxide reduction, is a key challenge of modern materials chemistry. Here we present a simple synthesis of a ternary semiconductor, boron carbon nitride, and show that it can catalyse hydrogen or oxygen evolution from water as well as carbon dioxide reduction under visible light illumination. The ternary B–C–N alloy features a delocalized two-dimensional electron system with sp2 carbon incorporated in the h-BN lattice where the bandgap can be adjusted by the amount of incorporated carbon to produce unique functions. Such sustainable photocatalysts made of lightweight elements facilitate the innovative construction of photoredox cascades to utilize solar energy for chemical conversion.

Date: 2015
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DOI: 10.1038/ncomms8698

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