Plasmonic hot electron enhanced MoS2 photocatalysis in hydrogen evolution

被引：172

作者：

Kang, Yimin ^{[1
]}

Gong, Yongji ^{[3
]}

Hu, Zhijian ^{[4
]}

Li, Ziwei ^{[1
]}

Qiu, Ziwei ^{[1
]}

Zhu, Xing ^{[1
,4
]}

Ajayan, Pulickel M. ^{[3
]}

Fang, Zheyu ^{[1
,2
]}

机构：

[1] Peking Univ, Sch Phys, State Key Lab Mesoscop Phys, Beijing 100871, Peoples R China

[2] Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China

[3] Rice Univ, Dept Mat Sci & NanoEngn, Houston, TX 77005 USA

[4] Natl Ctr Nanosci & Technol, Lab Nanoscale Measurement & Standardizat, Beijing 100190, Peoples R China

来源：

NANOSCALE | 2015年 / 7卷 / 10期

基金：

北京市自然科学基金; 中国国家自然科学基金;

关键词：

PHASE-TRANSITION; H-2; EVOLUTION; LAYER MOS2; NANOPARTICLES; TUNABILITY;

D O I：

10.1039/c4nr07303g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

With plasmonic hot electron doping, the molybdenum disulfide (MoS2) monolayer with deposited Au@Ag nanorattles effectively enhanced the hydrogen evolution reaction (HER) efficiency. The maximum photocatalysis is achieved under plasmon resonance excitation, and is actively controlled by the incident laser wavelength and power intensity. The localized phase transition of MoS2 is achieved and characterized to explicate this plasmon-enhanced hydrogen evolution. The proposed MoS2-nanoparticle composite combines surface plasmons and planar 2D materials, and pioneers a frontier field of plasmonic MoS2 photocatalysis.

引用

页码：4482 / 4488

页数：7

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