Synthesis of reticulated g-C3N4 and its remarkably enhanced photocatalytic H2 evolution performance

Wenbo Pi; Wei Luo; Wei Xu

doi:10.1117/12.2657103

18 October 2022 Synthesis of reticulated g-C₃N₄ and its remarkably enhanced photocatalytic H₂ evolution performance

Wenbo Pi, Wei Luo, Wei Xu

Proceedings Volume 12349, International Conference on Agri-Photonics and Smart Agricultural Sensing Technologies (ICASAST 2022); 123490R (2022) https://doi.org/10.1117/12.2657103
Event: International Conference on Agri-Photonics and Smart Agricultural Sensing Technologies (ICASAST 2022), 2022, Zhengzhou, China

Abstract

In recent decade, g-C₃N₄ has been appealing more and more attention because of its ability to directly split water under visible light catalysis. However, it was also greatly limited on account of that it has smaller specific surface area and narrower light absorption range. In this paper, we have developed a specific temperature control program to successfully prepare a kind of reticulated CN, which possessed a fluffy appearance and a porous reticulated microstructure. The BET surface area of the reticulated CN is 33.7 times higher compared with the blocky CN. While under UV-visible light, its hydrogen evolution rate exhibited 67 time higher compared to the blocky CN. Our report will provide bright way to improve photocatalytic performance of g-C₃N₄ for hydrogen decomposed by water.

Citation Download Citation

Wenbo Pi, Wei Luo, and Wei Xu "Synthesis of reticulated g-C₃N₄ and its remarkably enhanced photocatalytic H₂ evolution performance", Proc. SPIE 12349, International Conference on Agri-Photonics and Smart Agricultural Sensing Technologies (ICASAST 2022), 123490R (18 October 2022); https://doi.org/10.1117/12.2657103

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KEYWORDS

Hydrogen

Transmission electron microscopy

Absorption

Scanning electron microscopy

Visible radiation

Hydrogen production

Photocatalysis

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