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Nonmetal element doped g-C3N4 with enhanced H2 evolution under visible light irradiation

Published online by Cambridge University Press:  08 January 2018

Yidan Luo ,
Jiaming Wang ,
Shuohan Yu ,
Yuan Cao ,
Kaili Ma ,
Yu Pu ,
Weixin Zou ,
Changjin Tang ,
Fei Gao  and
Lin Dong
Yidan Luo
Affiliation:
Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China; and Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Nanjing University, Nanjing 210093, People’s Republic of China
Jiaming Wang
Affiliation:
Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China; and Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Nanjing University, Nanjing 210093, People’s Republic of China
Shuohan Yu
Affiliation:
Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China; and Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Nanjing University, Nanjing 210093, People’s Republic of China
Yuan Cao
Affiliation:
Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China; and Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Nanjing University, Nanjing 210093, People’s Republic of China
Kaili Ma
Affiliation:
Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China; and Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Nanjing University, Nanjing 210093, People’s Republic of China
Yu Pu
Affiliation:
Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China; and Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Nanjing University, Nanjing 210093, People’s Republic of China
Weixin Zou*
Affiliation:
Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China; and Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Nanjing University, Nanjing 210093, People’s Republic of China
Changjin Tang
Affiliation:
Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China; and Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Nanjing University, Nanjing 210093, People’s Republic of China
Fei Gao
Affiliation:
Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Nanjing University, Nanjing 210093, People’s Republic of China; and School of the Environmetal, Nanjing University, Nanjing 210093, People’s Republic of China
Lin Dong*
Affiliation:
Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, People’s Republic of China; and Jiangsu Key Laboratory of Vehicle Emissions Control, Center of Modern Analysis, Nanjing University, Nanjing 210093, People’s Republic of China
*
a)Address all correspondence to these authors. e-mail: zouweixin2011@163.com
b)e-mail: donglin@nju.edu.cn
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Abstract

Graphitic carbon nitride (g-C3N4) is considered as a promising heterogeneous catalyst for photocatalytic H2 evolution from water under visible light illustration, and its photocatalytic performance could be controlled through its texture and optical/electronic properties. Herein, we present a facile one-step heating method for the synthesis of B/P/F doped g-C3N4 photocatalysts (BCN, PCN, and FCN). The prepared photocatalysts were characterized by XRD, SEM, UV-vis absorption, FTIR, BET, XPS, PL, and photocurrent measurement. The results show that the B/P/F doping increased the interplanar stacking distance of g-C3N4, enlarged the optical absorption range, and improved the photocatalytic activity of H2 evolution. FCN exhibits the highest photocatalytic activity, followed by BCN, and PCN that has the lowest performance. This work studies the doping effects of the nonmetal elements on the photocatalytic activities, the electronic structures as well as the band gaps of g-C3N4, to provide a feasible modification pathway to design and synthesize highly efficient photocatalysts.

Keywords

g-C3N4nonmetal element dopantphotochemical H2 evolutionelectronic structure
Type
Invited Article
Information
Journal of Materials Research , Volume 33 , Issue 9: Focus Issue: Porous Carbon and Carbonaceous Materials for Energy Conversion and Storage , 14 May 2018 , pp. 1268 - 1278
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Copyright
Copyright © Materials Research Society 2018 

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Footnotes

Contributing Editor: Tianyu Liu

References

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