首页|Optimizing intrinsic cocatalyst activity and light absorption efficiency for efficient hydrogen evolution of 1D/2D ReS2-CdS photocatalysts via control of ReS2 nanosheet layer growth

Optimizing intrinsic cocatalyst activity and light absorption efficiency for efficient hydrogen evolution of 1D/2D ReS2-CdS photocatalysts via control of ReS2 nanosheet layer growth

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The visible-light-driven hydrogen evolution is extremely important,but the poor charge transfer capa-bility,a sluggish evolution rate of hydrogen,and severe photo-corrosion make photocatalytic hydrogen evolution impractical.In this study,we present 1D/2D ReS2-CdS hybrid nanorods for photocatalytic hy-drogen evolution,comprised of a ReS2 nanosheet layer grown on CdS nanorods.We found that precise control of the contents of the ReS2 nanosheet layer allows for manipulating the electronic structure of Re in the ReS2-CdS hybrid nanorods.The ReS2-CdS hybrid nanorods with optimal ReS2 nanosheet layer content dramatically improve photocatalytic hydrogen evolution activity.Notably,photocatalytic hydro-gen evolution activity(64.93 mmol g-1 h-1)of ReS2-CdS hybrid nanorods with ReS2 nanosheet layers(Re/Cd atomic ratio of 0.051)is approximately 136 times higher than that of pure CdS nanorods under visible light irradiation.Furthermore,intimated coupling of the ReS2 nanosheet layer with CdS nanorods reduced the surface trap-site of the CdS nanorods,resulting in enhanced photocatalytic stability.The de-tailed optical and electrical investigations demonstrate that the optimal ReS2 nanosheet layer contents in the ReS2-CdS hybrid nanorods can provide improved charge transfer capability,catalytic activity,and light absorption efficiency.This study sheds light on the development of photocatalysts for highly efficient photocatalytic hydrogen evolution.

PhotocatalystHydrogen evolution reactionReS2-CdS heterostructureControl of ReS2 nanosheet layer growthOptimization of cocatalyst activity and light absorption

Ghufran Aulia Bin Azizar、Jong Wook Hong

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Department of Chemistry,University of Ulsan,Ulsan 44610,Korea

韩国国家研究基金会项目韩国国家研究基金会项目韩国国家研究基金会项目National Research Foundation of Korea(NRF)funded by the Ministry of Education(MOE)

NRF-2020R1C1C10085142019R1A6A1A11053838NRF-2023R1A2C10040152021RIS-003

2024

10.1016/j.jmst.2023.05.035

材料科学技术(英文版)
中国金属学会 中国材料研究学会 中国科学院金属研究所

材料科学技术(英文版)

CSTPCD
影响因子：0.657
ISSN：1005-0302
年,卷(期)：2024.168(1)
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