Electrospun ZnO Nanofibers-Based Ultraviolet Detector with High Responsivity

被引：21

作者：

Zhu, Linghui ^{[1
]}

Gu, Xuehui ^{[2
]}

Qu, Fengdong ^{[1
]}

Zhang, Jiaqi ^{[3
]}

Feng, Caihui ^{[1
]}

Zhou, Jingran ^{[2
]}

Ruan, Shengping ^{[1
]}

Kang, Bonan ^{[2
]}

机构：

[1] State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China

[2] Jilin Univ, Coll Elect Sci & Engn, Changchun 130012, Peoples R China

[3] Jilin Univ, Coll Chem, Changchun 130012, Peoples R China

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2013年 / 96卷 / 10期

基金：

中国国家自然科学基金;

关键词：

UV-DETECTOR; OPTICAL-PROPERTIES; THIN-FILMS; NANOWIRE; PHOTODETECTORS; FABRICATION; GROWTH;

D O I：

10.1111/jace.12483

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this report, a metal-semiconductor-metal (MSM) ultraviolet photodetector based on ZnO nanofiber film with Au electrodes was demonstrated. The ZnO nanofibers were synthesized via effective electrospinning process and characterized by means of XRD, SEM, XPS, and UV-visible absorption spectra. At 5V bias, the dark current of the device was 17.8nA. Under the irradiation of 260nm ultraviolet light, the photocurrent could reach 11.5A and a high responsivity of 790A/W was achieved due to the large internal gain. The mechanism of the high internal photoconductive gain was discussed in the article. The experiment presented a general and simple approach to integrate electrospun nanomaterials into photodevices directly.

引用

页码：3183 / 3187

页数：5

共 44 条

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