A highly sensitive UV sensor composed of 2D NiO nanosheets and 1D ZnO nanorods fabricated by a hydrothermal process

被引：22
|
作者：
Le Thuy Hoa [1 ]
Huynh Ngoc Tien [1 ]
Hur, Seung Hyun [1 ]
机构：
[1] Univ Ulsan, Sch Chem Engn, Ulsan 680749, South Korea
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2014年 / 207卷
基金：
新加坡国家研究基金会;
关键词：
NiO nanosheets; ZnO nanorods; UV sensor; THIN-FILMS; SENSING CHARACTERISTICS; HETEROJUNCTIONS; LUMINESCENCE; ELECTRODES; NANOWIRES;
D O I：
10.1016/j.sna.2013.12.017
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：
A highly sensitive UV sensor was fabricated using a low-cost, low temperature, and scalable solution-based process. The p-n heterojunction sensor composed of p-type two dimensional (2D) NiO nanosheets (NS) and n-type one dimensional (1D) ZnO nanorods (NRs) exhibited a highly increased UV response compared to 2D NiO NS or 1D ZnO NR alone. Photoluminescence (PL) spectra revealed a decrease of the trap-state emission and recombination of excitons in the NiO NS/ZnO NR structure, which could be responsible for the enhanced UV response. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：20 / 24
页数：5
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