In Situ SERS Detection of Photocatalytic Degradation of Aminothiophenol on Carbon-Nanotubes/CoPt Hollow Nanoparticles Composite

被引：8
作者：
Wang, Yinong [1 ]
Jiang, Feng [1 ]
Zhao, Xiuming [1 ]
Wang, Bomin [1 ]
Shi, Ying [2 ]
Zhang, Liang [3 ]
Liu, Jinzhang [4 ]
机构：
[1] Dalian Univ Technol, Panjin 124221, Liaoning, Peoples R China
[2] Jilin Univ, Inst Atom & Mol Phys, Changchun 130012, Jilin, Peoples R China
[3] Weifang Univ Sci & Technol, Shouguang 262700, Shandong, Peoples R China
[4] Beihang Univ, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
LANGMUIR | 2019年 / 35卷 / 36期
基金：
中国国家自然科学基金;
关键词：
ENHANCED RAMAN-SPECTROSCOPY; GOLD NANOPARTICLES; PLATINUM; REDUCTION; ABSORPTION; OXIDATION; CO;
D O I：
10.1021/acs.langmuir.9b01171
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The phenol derivatives, as one kind of hormone, are analogous to endocrine disruptors with high carcinogenicity. The photocatalytic technology is an effective approach to mitigate environmental pollution by utilizing solar energy to degrade organic pollutants. In this work, CoPt hollow nanoparticles (NPs) attached to carbon nanotubes (CNTs) are employed to catalytically decompose the p-aminothiophenol (PATP) molecules under light irradiation, which is monitored by using surface-enhanced Raman scattering spectra. The effect of temperature on the catalytic efficacy of CoPt hollow NPs is investigated. Moreover, the use of CNTs coating on CoPt NPs is found to accelerate the photocatalytic degradation rate of PATP molecules, attributed to the enhanced plasmon-exciton coupling interaction of the CoPt/CNTs hybrid configuration.
引用
收藏
页码：11629 / 11634
页数：6
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