Low-Frequency Noise Characteristics of In-Doped ZnO Ultraviolet Photodetectors

被引：31

作者：

Chang, Shoou-Jinn ^{[1
,2
]}

Duan, Bi-Gui ^{[1
,2
]}

Hsiao, Chih-Hung ^{[1
,2
]}

Young, Sheng-Joue ^{[3
]}

Wang, Bo-Chin ^{[1
,2
]}

Kao, Tsung-Hsien ^{[1
,2
]}

Tsai, Kai-Shiang ^{[4
]}

Wu, San-Lein ^{[4
]}

机构：

[1] Natl Cheng Kung Univ, Inst Microelect, Tainan 701, Taiwan

[2] Natl Cheng Kung Univ, Dept Elect Engn, Adv Optoelect Technol Ctr, Tainan 701, Taiwan

[3] Natl Formosa Univ, Dept Elect Engn, Yunlin 632, Taiwan

[4] Cheng Shiu Univ, Dept Elect Engn, Kaohsiung 833, Taiwan

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2013年 / 25卷 / 21期

关键词：

IZO; nanorod; hydrothermal; PD; noise; NANOWIRE ARRAYS;

D O I：

10.1109/LPT.2013.2280719

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：

We report the growth of vertically aligned indium-doped ZnO (IZO) nanorods on a glass substrate using a low-temperature hydrothermal method. An IZO nanorod metal-semiconductor-metal (MSM) ultraviolet (UV) photodetector (PD) was also fabricated. It was found that the UV-to-visible rejection ratio of the fabricated PD was similar to 109 when biased at 1 V with a sharp cutoff at 390 nm. With an incident light wavelength of 390 nm and an applied bias of 1 V, it was found that measured responsivity of the PD was 2.5 A/W. Furthermore, it was also found that the noise equivalent power and detectivity of the fabricated IZO nanorod MSM PD were 1.42 x 10(-10) W and 1.44 x 10(11) cm.Hz(0.5).W-1, respectively.

引用

页码：2043 / 2046

页数：4

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