2D/Quasi-2D Ruddlesden-Popper Perovskite: A High-Performance Photocatalyst for Hydrogen Evolution

被引：33

作者：

Fu, Hui ^{[1
]}

Liu, Xiaolei ^{[1
]}

Fu, Jinyu ^{[1
]}

Wu, Yaqiang ^{[1
]}

Zhang, Qianqian ^{[1
]}

Wang, Zeyan ^{[1
]}

Liu, Yuanyuan ^{[1
]}

Zheng, Zhaoke ^{[1
]}

Cheng, Hefeng ^{[1
]}

Dai, Ying ^{[2
]}

Huang, Baibiao ^{[1
]}

Wang, Peng ^{[1
]}

机构：

[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Shandong, Peoples R China

[2] Shandong Univ, Sch Phys, Jinan 250100, Shandong, Peoples R China

来源：

ACS CATALYSIS | 2023年 / 13卷 / 22期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

2D/quasi-2D Ruddlesden-Popperperovskite; BA(2)MA( n-1)Pb (n) I3n+1; hydrohalic acidsplitting; photocatalysis; H-2; evolution; LEAD IODIDE; CATALYSIS;

D O I：

10.1021/acscatal.3c03933

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In recent years, two-dimensional (2D) and quasi-2D Ruddlesden-Popper (RP) perovskite materials have been developed as emerging semiconductor materials for solar cells due to their structural diversity and high power-conversion efficiency, but there are few reports on the photocatalytic applications. Here, 2D/quasi-2D RP BA(2)MA(n-1)Pb(n)I(3n+1) perovskite was fabricated as a hydrogen evolution photocatalyst for hydrohalic acid splitting. Theoretical and experimental surveys show that the stress in BA(2)MA(n-1)Pb(n)I(3n+1) can significantly influence the photoelectronic properties. More importantly, charge carrier dynamics investigation shows that the quasi-2D perovskite with a high n value has more efficient charge transport and separation capability, obtaining the highest photocatalytic activity. When loading with Pt as the cocatalyst, 2.0 wt % Pt/BA(2)MA(3)Pb(4)I(13) exhibits a superior photocatalytic H-2 evolution activity of 394.8 mu mol h(-1) with an STH (solar-to-hydrogen efficiency) of 1.21%, better than most reported 3D perovskite photocatalysts. This work is expected to provide insights into expanding metal halide perovskite-based photocatalysts for efficient photocatalytic H-2 evolution.

引用

页码：14716 / 14724

页数：9

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