The optical and electrical properties of V2O5-TiO2/PI Nanocomposite film prepared by the Sol-Gel method

被引：0
|
作者：
Zhang, Haoting [1 ]
Li, Yi [1 ,2 ]
He, Weiye [1 ]
Xue, Chang [1 ]
Peng, Weiye [1 ]
Liu, Hongwei [1 ]
Wang, Wei [1 ]
Shi, Zhangqing [1 ]
Dai, Wenyan [1 ]
Yuan, Zhen [1 ]
Lin, Ke [1 ]
机构：
[1] Univ Shanghai Sci & Technol, Coll Opt Elect & Comp Engn, Shanghai 200093, Peoples R China
[2] Shanghai Key Lab Modern Opt Syst, Shanghai 200093, Peoples R China
来源：
INFRARED PHYSICS & TECHNOLOGY | 2025年 / 145卷
基金：
国家高技术研究发展计划(863计划);
关键词：
Nanocomposite; Polyimide; Sol-gel; Thermotropic phase transition; ELECTROCHEMICAL PROPERTIES; V2O5; NANOSTRUCTURES; TRANSPARENT; POLYIMIDES; DEVICES;
D O I：
10.1016/j.infrared.2025.105719
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In this study, nanoscale V2O5 film and V2O5-TiO2 composite film were prepared by the sol-gel method and post- annealing process utilizing polyimide (PI) as the substrates. The properties of the composite films were characterized by examining the surface morphology, elemental composition, and optical and electrical properties. The results demonstrate that the films maintain the flexibility of the substrate, while TiO2 doping effectively enhances the optical and electrical properties of the V2O5/PI. In the range of 750-1200 nm, the maximum transmittance of the V2O5-TiO2/PI film is increased by 5.77 % compared to the V2O5/PI film. At room temperature, the resistance of the film was significantly reduced by 96.4 % compared to the V2O5/PI film. In the context of thermotropic phase transitions, the phase transition temperature of V2O5-TiO2/PI film decreased to 213 degrees C. Through many times repeated bending and temperature cycling, the films can maintain good optical and electrical properties, which is expected to be applied to flexible semiconductors and integrated optoelectronic devices.
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页数：10
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