Template-free synthesis and photocatalytic activity of CdS nanorings

被引：19

作者：

Hao, Quanming ^{[1
]}

Xu, Jingyou ^{[1
]}

Zhuang, Xiujuan ^{[1
]}

Zhang, Qinglin ^{[1
]}

Wan, Qiang ^{[1
]}

Pan, Huayong ^{[2
]}

Zhu, Xiaoli ^{[1
]}

Pan, Anlian ^{[1
]}

机构：

[1] Hunan Univ, Key Lab Micronano Phys & Technol Hunan Prov, State Key Lab Chemobiosensing & Chemometr, Coll Phys & Microelect Sci, Changsha 410082, Hunan, Peoples R China

[2] Peking Univ, Key Lab Phys & Chem Nanodevices, Dept Elect, Beijing 100871, Peoples R China

来源：

MATERIALS LETTERS | 2013年 / 100卷

关键词：

Semiconductors; Microstructure; CdS; Nanorings; Self-assembly; NANOWIRE HETEROSTRUCTURES; LOW-TEMPERATURE; ZNS; NANOPARTICLES; EMISSION; ARRAYS; RINGS;

D O I：

10.1016/j.matlet.2013.02.091

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cadmium sulfide (CdS) nanorings were synthesized through a convenient and economical chemical bath deposition (CBD) process without the use of any surfactant and template. SEM and TEM studies reveal that these nanorings are composed of connected nanoparticles. A self-assembly mechanism was proposed for the formation process of these nanorings on the basis of a series of time-dependent experiments. Furthermore, the photodegradation of rhodamine B (RhB) demonstrated that the CdS nanorings exhibited enhanced photocatalytic activity than that of commercial CdS powders under irradiation of visible light, which is due to the small crystallites can provide more reactive sites for photocatalytic reaction and the nanoscale facilitates the transfer of photogenerated electron-hole pairs to the surface. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：141 / 144

页数：4

共 23 条

[1] Optical properties of gold nanorings -: art. no. 057401 [J].