Preparation and Characteristics of Flexible Nanorod-Based Photodetectors

被引:7
作者
Ji, L. W. [1 ]
Wu, C. Z. [1 ]
Fang, T. H. [1 ,2 ,3 ]
Peng, S. M. [4 ,5 ]
Young, S. J. [4 ,5 ]
Water, W. [1 ]
Meen, T. H. [1 ]
Liu, C. H. [1 ]
机构
[1] Natl Formosa Univ, Inst Electroopt & Mat Sci, Yunlin 632, Taiwan
[2] Natl Kaohsiung Univ Appl Sci, Dept Mech Engn, Kaohsiung 807, Taiwan
[3] Natl Kaohsiung Univ Appl Sci, Inst Mech & Precis Engn, Kaohsiung 807, Taiwan
[4] Natl Cheng Kung Univ, Inst Microelect, Tainan 701, Taiwan
[5] Natl Cheng Kung Univ, Dept Elect Engn, Tainan 701, Taiwan
关键词
Liquid Phase Epitaxy; Whiskers; Electro-Optical Effects; Electrical Properties; Nanocrystalline Materials; LIGHT-EMITTING DIODES; ULTRAVIOLET; INGAN; FABRICATION; SENSORS;
D O I
10.1166/jno.2010.1114
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
Metal-semiconductor-metal ultraviolet photodetectors on flexible polyethylene terephthalate (PET) substrates with ZnO nanorods have been characterized. The photoresponsity and UV-to-visible rejection ratio of the ZnO nanorod-based sensor were 0.0409 A/W and 282.59, respectively. Compared to a traditional ZnO photodetector without nanorods, the fabricated novel photodetector showed much higher photoresponsity which could strongly depend on oxygen adsorption and desorption in the presence of trap states at the nanorods surface. It can be attributed to high surface-to-volume ratio of ZnO nanorods.
引用
收藏
页码:300 / 303
页数:4
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