Preparation and Photovoltaic Performance of a Composite TiO[sub.2] Nanotube Array/Polyaniline UV Photodetector

TiO[sub.2] has great potential for application in UV photodetectors due to its excellent photoelectric response. In this work, composite nanomaterials of TiO[sub.2] nanotube arrays (TiO[sub.2] NTAs) and polyaniline (PANI) were successfully prepared on titanium sheets using an anodic oxidation electr...

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Bibliographic Details
Published in:Polymers 2023-11, Vol.15 (22)
Main Authors: Liu, Chunlian, Huang, Peipei, Wang, Wei, Tan, Miao, Fu, Fangbao, Feng, Yunhui
Format: Article
Language:English
Subjects:
Nanotubes
Solar energy industry
Online Access:Get full text
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Summary:TiO[sub.2] has great potential for application in UV photodetectors due to its excellent photoelectric response. In this work, composite nanomaterials of TiO[sub.2] nanotube arrays (TiO[sub.2] NTAs) and polyaniline (PANI) were successfully prepared on titanium sheets using an anodic oxidation electrochemical method. The results showed that the TiO[sub.2] NTA/PANI composite materials had excellent UV photosensitivity and responsiveness and good stability and reproducibility. This was mainly attributed to the p–n heterostructure formed inside the TiO[sub.2] NTA/PANI composites that hindered the recombination of photogenerated electron–hole pairs and improved their utilization of UV light. This work provides a theoretical basis for the application of metal oxides in UV photodetectors, which is important for the development of UV photodetectors.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym15224400