Hierarchical structured ZnO nanorods on ZnO nanofibers and their photoresponse to UV and visible lights

被引:92
作者
Li, Yinhua [1 ]
Gong, Jian [1 ]
Deng, Yulin [1 ]
机构
[1] Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA
关键词
ZnO nanorods; Nanofiber; UV detector; Visible light detector; CONTROLLED GROWTH; NANOSTRUCTURES; ARRAYS; NANOBELTS;
D O I
10.1016/j.sna.2009.12.030
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Hierarchical structured ZnO consisting of nanorods on electrospun nanofibers (ZnO nanorod-on-ZnO nanofiber) was prepared via hydrothermal reaction in the presence of hexamethylenetetramine. The density of the ZnO nanorods on electrospun ZnO nanofibers could be controlled by the concentration of the nutrient solution. The as-obtained ZnO nanorod-on-ZnO nanofiber hierarchical structure was assembled into electronic device with two Au electrodes for UV detection. After surface functionalization with N719 dye, the as-obtained ZnO nanorod-on-ZnO nanofiber nanomaterial could also be used as a visible light detector. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:176 / 182
页数:7
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