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Carbon Self-Doped Carbon Nitride Nanosheets with Enhanced Visible-Light Photocatalytic Hydrogen Production

1
School of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China
2
School of Environment and Safety Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, China
*
Author to whom correspondence should be addressed.
Catalysts 2018, 8(9), 366; https://doi.org/10.3390/catal8090366
Received: 29 July 2018 / Revised: 26 August 2018 / Accepted: 27 August 2018 / Published: 29 August 2018
(This article belongs to the Special Issue Heterogeneous Catalysis for Energy Conversion)
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Abstract

In this study, we prepared carbon self-doped carbon nitride nanosheets through a glucose synergic co-condensation method. In the carbon self-doped structure, the N atoms in the triazine rings were substituted by C atoms, resulting in enhanced visible-light photocatalytic hydrogen production, which is three-times higher than that of bulk carbon nitride. The enhanced photocatalytic hydrogen production was attributed to the higher charge-carrier transfer rate and widened light absorption range of the carbon nitride nanosheets after carbon self-doping. Thus, this work highlights the importance of carbon self-doping for improving the photocatalytic performance. Meanwhile, it provides a feasible method for the preparation of carbon self-doped carbon nitride without destroying the 2D conjugated backbone structures. View Full-Text
Keywords: carbon nitride nanosheets; carbon self-doping; photocatalytic hydrogen production; charge transfer rate carbon nitride nanosheets; carbon self-doping; photocatalytic hydrogen production; charge transfer rate
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Wang, H.; Huang, G.; Chen, Z.; Li, W. Carbon Self-Doped Carbon Nitride Nanosheets with Enhanced Visible-Light Photocatalytic Hydrogen Production. Catalysts 2018, 8, 366.

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