Influence of thermal annealing of Ag NWs/AZO composite films on behavior of Ag NWs/AZO-P3HT photodetectors

被引：15

作者：

Yu, Xiaoming ^{[1
,2
]}

Yu, Xuan ^{[1
,2
]}

Chen, Yingmo ^{[3
]}

Ji, Tongcheng ^{[3
]}

Shen, Siyi ^{[3
]}

Weng, Tianfeng ^{[2
]}

Yan, Miao ^{[2
]}

Chen, Liqiao ^{[1
]}

Zhou, Yingtang ^{[1
]}

Wei, Jun ^{[2
]}

机构：

[1] Zhejiang Ocean Univ, Natl Engn Res Ctr Marine Aquaculture, 1 Haida South Rd, Zhoushan 316022, Peoples R China

[2] Zhejiang Ocean Univ, Sch Naval Architecture & Mechatron Engn, Zhoushan 316022, Peoples R China

[3] Zhejiang Ocean Univ, Sch Math Phys & Informat Sci, Zhoushan 316022, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2020年 / 848卷

基金：

中国国家自然科学基金;

关键词：

Silver nanowires; Transparent electrode; AgNW/AZO composite; Photo response; Photodetectors; TRANSPARENT CONDUCTIVE ELECTRODES; SILVER NANOWIRES; SOLAR-CELLS; METAL-OXIDE; NANOPARTICLES; ITO;

D O I：

10.1016/j.jallcom.2020.156569

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Solution-processed silver nanowires (Ag NWs)/AZO composite films were deposited on indium-free transparent conductive layers to yield hybrid photo-diodes. In this study, high-quality Ag NWs/AZO films were prepared by simple and controllable annealing process at 340 degrees C under nitrogen atmosphere instead of low annealing temperature used previously. P-type polymer poly-3-hexylthiophene-2,5 -diyl (P3HT) was then spin-coated on Ag NWs/AZO top to form p-n junction. Devices annealed under nitrogen showed significant improvement in rectification ratios when compared to those annealed under air at low temperature. The proposed method improved p-n junction diode behavior through tuning defect properties of Ag NWs/AZO by annealing. Ag NWs/AZO photodiode devices exhibited high on/off ratio reaching similar to 8 x 10(3) using Ag NWs/AZO-340 when compared to similar to 4 x 10(2) obtained with Ag NWs/AZO-200. The solution processed indium free Ag NWs/AZO composite film demonstrated superior performance as transparent electrodes, promising for reliable hybrid photodiodes in practical sensors. These findings look promising for simple and competitive detection of defect in Ag NWs/AZO for better future applications in optoelectronics. (C) 2020 Elsevier B.V. All rights reserved.

引用

页数：10

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