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The mechanism of enhanced charge separation and photocatalytic activity for Au@TiO2 core-shell nanocomposite
Wu, Liangpeng1,2; Ma, Shexia3; Chen, Peili1,2; Li, Xinjun1,2
2020-12-04
发表期刊INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY
ISSN0306-7319
页码11
通讯作者Ma, Shexia(mashexia@scies.org) ; Li, Xinjun(lixj@ms.giec.ac.cn)
摘要The core-shell nanoparticles of Au@TiO2 were synthesised via a simple and flexible hydrothermal route. The structure and properties were characterised by X-ray diffraction, transmission electron microscopy, energy-dispersive X-ray spectroscopy, ultraviolet/visible diffuse reflectance spectra, photoluminescence spectra and Raman spectra. The photocatalytic activity and the photoelectrochemical behaviours were investigated. Compared to TiO2, Au@TiO2 exhibits superior photocatalytic activity and photoelectrochemical property. The enhanced properties of Au@TiO2 attributed to the Au core as electron trap to promote the separation of photogenerated charge carriers in the photocatalytic process, which was also confirmed by the results of electrochemical impedance spectra and photoluminescence.
关键词Au@TiO2 core-shell nanostructure photocatalytic property photoelectrochemical behaviour charge carriers
DOI10.1080/03067319.2020.1855337
关键词[WOS]VISIBLE-LIGHT PHOTOACTIVITY ; ONE-POT SYNTHESIS ; YOLK-SHELL ; TIO2 NANOSHEETS ; NANOPARTICLES ; AU ; NANOSTRUCTURES ; DEGRADATION ; WATER ; AG
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[51802305] ; Natural Science Foundation of Guangdong Province[2018A030310134] ; Natural Science Foundation of Guangdong Province[2018A0303130212] ; Science and Technology Planning Project of Guangzhou city, China[201803030019]
WOS研究方向Chemistry ; Environmental Sciences & Ecology
项目资助者National Natural Science Foundation of China ; Natural Science Foundation of Guangdong Province ; Science and Technology Planning Project of Guangzhou city, China
WOS类目Chemistry, Analytical ; Environmental Sciences
WOS记录号WOS:000596752500001
出版者TAYLOR & FRANCIS LTD
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/32395
专题中国科学院广州能源研究所
通讯作者Ma, Shexia; Li, Xinjun
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou, Peoples R China
2.Univ Chinese Acad Sci, Coll Mat Sci & OptoElect Technol, Beijing, Peoples R China
3.South China Inst Environm Sci, Minist Environm Protect, Guangzhou, Peoples R China
第一作者单位中国科学院广州能源研究所
推荐引用方式
GB/T 7714
Wu, Liangpeng,Ma, Shexia,Chen, Peili,et al. The mechanism of enhanced charge separation and photocatalytic activity for Au@TiO2 core-shell nanocomposite[J]. INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY,2020:11.
APA Wu, Liangpeng,Ma, Shexia,Chen, Peili,&Li, Xinjun.(2020).The mechanism of enhanced charge separation and photocatalytic activity for Au@TiO2 core-shell nanocomposite.INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY,11.
MLA Wu, Liangpeng,et al."The mechanism of enhanced charge separation and photocatalytic activity for Au@TiO2 core-shell nanocomposite".INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY (2020):11.
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