Facile synthesis of CdS@TiO2 core-shell nanorods with controllable shell thickness and enhanced photocatalytic activity under visible light irradiation

被引：94
|
作者：
Dong, Wenhao [1 ,2 ]
Pan, Feng [1 ,2 ]
Xu, Leilei [1 ,2 ]
Zheng, Minrui [3 ]
Sow, Chorng Haur [3 ]
Wu, Kai [2 ,4 ]
Xu, Guo Qin [1 ,2 ]
Chen, Wei [1 ,2 ,3 ,5 ]
机构：
[1] Natl Univ Singapore, Dept Chem, 3 Sci Dr 3, Singapore 117543, Singapore
[2] Peking Univ, Ctr Res Excellence & Technol Enterprise CREATE, Res Ctr, Singapore 138602, Singapore
[3] Natl Univ Singapore, Dept Phys, Singapore 117551, Singapore
[4] Peking Univ, Coll Chem & Mol Engn, BNLMS, SKLSCUSS, Beijing 100871, Peoples R China
[5] Natl Univ Singapore Suzhou, Res Inst, Suzhou 215123, Jiangsu, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2015年 / 349卷
基金：
新加坡国家研究基金会;
关键词：
CdS@TiO2; Core shell nanocomposite; Controllable shell thickness; Visible-light photocatalyst; CDS QUANTUM DOTS; HYDROGEN-PRODUCTION; TITANIUM-DIOXIDE; TIO2; PHOTOCATALYSIS; RECENT PROGRESS; HIGH-PURITY; SEMICONDUCTOR; WATER; PHENOL; COMPOSITE;
D O I：
10.1016/j.apsusc.2015.04.207
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：
Amorphous TiO2 layers with a controllable thickness from 3.5 to 40 nm were coated on the one-dimensional CdS nanorods surface under mild conditions. Compared to the bare CdS nanorods, the as-prepared CdS@TiO2 nanorods exhibit enhanced photocatalytic activities for phenol photodecomposition under visible light irradiation. The improved photoactivity is ascribed to the efficient separation of photogenerated electron and hole charge carriers between CdS cores and TiO2 shells. This study promises a simple approach to fabricating CdS@TiO2 core-shell structure nanocomposites, and can be applied for other semiconductor cores with TiO2 shells. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：279 / 286
页数：8
相关论文
共 50 条
  • [31] Nitrogen doping on the core-shell structured Au@TiO2 nanoparticles and its enhanced photocatalytic hydrogen evolution under visible light irradiation
    Naik, Gautam Kumar
    Majhi, Sanjit Manohar
    Jeong, Kwang-Un
    Lee, In-Hwan
    Yu, Yeon Tae
    JOURNAL OF ALLOYS AND COMPOUNDS, 2019, 771 : 505 - 512
  • [32] Enhancement of Photocatalytic Activity under Visible Light Irradiation via the AgI@TCNQ Core-Shell Structure
    Xie, Wanli
    Liu, Li
    Cui, Wenquan
    An, Weijia
    MATERIALS, 2019, 12 (10)
  • [33] Facile synthesis approach for core-shell TiO2-CdS nanoparticles for enhanced photocatalytic H2 generation from water
    Zubair, Muhammad
    Svenum, Ingeborg-Helene
    Ronning, Magnus
    Yang, Jia
    CATALYSIS TODAY, 2019, 328 : 15 - 20
  • [34] Synthesis of Ag/TiO2 core-shell nanowires with enhanced stability of photocatalytic activity
    Ma, Chao
    Wang, Xiaofeng
    Luo, Hang
    Zhang, Dou
    JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 2017, 28 (14) : 10715 - 10719
  • [35] Homogeneous synthesis of SiO2@TiO2 nanocomposites with controllable shell thickness and their enhanced photocatalytic activity
    Yu, Yong
    Zhang, Ming-Zhen
    Chen, Jun
    Zhao, Yuan-Di
    DALTON TRANSACTIONS, 2013, 42 (04) : 885 - 889
  • [36] Hierarchical TiO2/AgBr core/shell microspheres with enhanced visible light photocatalytic activity
    Kang Yang
    Xiaogang Wen
    Journal of Materials Science: Materials in Electronics, 2020, 31 : 20984 - 20995
  • [37] Hierarchical TiO2/AgBr core/shell microspheres with enhanced visible light photocatalytic activity
    Yang, Kang
    Wen, Xiaogang
    JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 2020, 31 (23) : 20984 - 20995
  • [38] Facile synthesis of Ag-ZnO core-shell nanostructures with enhanced photocatalytic activity
    Kadam, A. N.
    Bhopate, D. P.
    Kondalkar, V. V.
    Majhi, S. M.
    Bathula, C. D.
    Anh-Vy Tran
    Lee, Sang-Wha
    JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, 2018, 61 : 78 - 86
  • [39] Synthesis of AgCl/Ag/AgCl core-shell microstructures with enhanced photocatalytic activity under sunlight irradiation
    Lin, Xiuzhen
    Liu, Hong
    Guo, Bing
    Zhang, Xinhai
    JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING, 2016, 4 (04): : 4021 - 4028
  • [40] Titanate@TiO2 core-shell nanobelts with an enhanced photocatalytic activity
    Xiong, Zhigang
    Zhao, X. S.
    JOURNAL OF MATERIALS CHEMISTRY A, 2013, 1 (26) : 7738 - 7744
12345