首页|Pt nanoclusters modified porous g-C3N4 nanosheets to significantly enhance hydrogen production by photocatalytic water reforming of methanol

Pt nanoclusters modified porous g-C3N4 nanosheets to significantly enhance hydrogen production by photocatalytic water reforming of methanol

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For the use of green hydrogen energy,it is crucial to have efficient photocatalytic activity for hydrogen generation by water reforming of methanol under mild conditions.Much attention has been paid to g-C3N4 as a promising photocatalyst for the generation of hydrogen.To improve the separation of pho-togenerated charge,porous nanosheet g-C3N4 was modified with Pt nanoclusters(Pt/g-C3N4)through impregnation and following photo-induced reduction.This catalyst showed excellent photocatalytic activity of water reforming of methanol for hydrogen production with a 17.12 mmol·g-1·h-1 rate at room temperature,which was 311 times higher than that of the unmodified g-C3N4.The strong interactions of Pt-N in Pt/g-C3N4 constructed effective electron transfer channels to promote the separation of photo-generated electrons and holes effectively.In addition,in-situ infrared spectroscopy was used to inves-tigate the intermediates of the hydrogen production reaction,which proved that methanol and water eventually turn into H2 and CO2 via formaldehyde and formate.This study provides insights for un-derstanding the photocatalytic hydrogen production in the water reforming of methanol.

Water reforming of methanolPhotocatalysisg-C3N4Pt nanoclustersHydrogen production

Yi-Fei Liang、Jin-Rong Lu、Shang-Kun Tian、Wen-Quan Cui、Li Liu

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Hebei Provincial Key Laboratory of Environmental Photocatalytic and Electrocatalytic Materials,College of Chemical Engineering,North China University of Science and Technology,Tangshan 063210,China

National Natural Science Foundation of ChinaProgram of Trithree Talents Project of Hebei Province,ChinaYoung Top Talents Fund Program of Higher Education Institutions of Heibei ProvinceProject of Science and Technology Innovation Team,Tangshan

51672081A202110002BJ202000920130203D

2024

10.1016/j.cjche.2023.11.005

中国化学工程学报(英文版)
中国化工学会

中国化学工程学报(英文版)

CSTPCDEI
影响因子：0.818
ISSN：1004-9541
年,卷(期)：2024.66(2)
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