Plasmonic Photocatalysts Monitored by Tip-Enhanced Raman Spectroscopy

被引：5
|
作者：
Wang, Jingang [1 ]
Wang, Xinxin [2 ]
Mu, Xijiao [2 ]
机构：
[1] Liaoning Shihua Univ, Coll Sci, Computat Ctr Property & Modificat Nanomat, Fushun 113001, Peoples R China
[2] Univ Sci & Technol Beijing, Beijing Key Lab Magnetophotoelect Composite & Int, Sch Math & Phys, Beijing 100083, Peoples R China
来源：
CATALYSTS | 2019年 / 9卷 / 02期
基金：
中国国家自然科学基金;
关键词：
plasmonic photocatalysis; hydrogen dissociation; hot electron; DISSOCIATION; AG; P; P'-DIMERCAPTOAZOBENZENE; REDUCTION;
D O I：
10.3390/catal9020109
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 this review, we first prove the resonance dissociation process by using time-dependent measurements of tip-enhanced resonance Raman spectroscopy (TERRS) under high vacuum conditions. Second, we show how to use thermal electrons to dissociate Malachite Green (MG) and the hot electrons in the nanogap of the high vacuum tip-enhanced Raman spectroscopy (TERS) device that are generated by plasma decay. Malachite Green is excited by resonance and adsorbed on the Ag and Au surfaces. Finally, we describe real-world and real-time observations of plasmon-induced general chemical reactions of individual molecules.
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页数：19
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