Facile synthesis of mesoporous detonation nanodiamond-modified layers of graphitic carbon nitride as photocatalysts for the hydrogen evolution reaction

Yasir A. Haleem; Qun He; Daobin Liu; Changda Wang; Weiyu Xu; Wei Gan; Yu Zhou; Chuangqiang Wu; Yanwei Ding; Li Song

doi:10.1039/C7RA02178J

Facile synthesis of mesoporous detonation nanodiamond-modified layers of graphitic carbon nitride as photocatalysts for the hydrogen evolution reaction†

Yasir A. Haleem,^a Qun He,^a Daobin Liu,^a Changda Wang,^a Weiyu Xu,^a Wei Gan,^a Yu Zhou,^a Chuangqiang Wu,^a Yanwei Ding^b and Li Song

*^a

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* Corresponding authors

^a National Synchrotron Radiation Laboratory, CAS Centre for Excellence in Nanoscience, University of Science and Technology of China, Hefei-230029, Anhui, P. R. China
E-mail: song2012@ustc.edu.cn
Fax: +86-551-6360-2102
Tel: +86-551-6360-2102

^b Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China

Abstract

The hydrogen evolution reaction (HER) may contribute substantially to energy resources in the future through solar energy conversion. In this study, mesoporous graphitic carbon nitride (g-C₃N₄) layers modified by detonation nanodiamond (DND) were synthesized by condensation from urea to obtain a robust and efficient hybrid (g-C₃N₄–DND) photocatalyst for the HER. Our characterizations revealed that no significant structural changes occurred in g-C₃N₄ during the synthesis of the g-C₃N₄–DND hybrid. Compared with pure g-C₃N₄, hydrogen production increased by almost 50% when using the hybrid photocatalyst due to the synergetic effect of the enhanced charge transfer, high surface area and low recombination rate of the photogenerated charge carriers.

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Facile synthesis of mesoporous detonation nanodiamond-modified layers of graphitic carbon nitride as photocatalysts for the hydrogen evolution reaction†

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Facile synthesis of mesoporous detonation nanodiamond-modified layers of graphitic carbon nitride as photocatalysts for the hydrogen evolution reaction

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