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Get Free AccessHigh sensitivity photodetectors are of great significance in developing a new generation of optoelectronic devices in sensing, imaging, and other applications. In this Communication, highly sensitive UV detectors based on ZnO nanobelts (NBs) are achieved by polymer surface-functionalization. The UV-induced photoconductance in ZnO NBs increases by 5 orders of magnitude after functionalizing, using a polymer that exhibits large UV absorption. The huge increase in photoconductance is attributed to an electron−hole generation process as assisted by the energy states in the polymer. This study suggests that, by selecting polymers with different wavelengths of UV absorption, highly sensitive UV detectors with a large range of detection wavelengths can be fabricated using ZnO NBs.
Chang Shi Lao, Myung Chul Park, Qin Kuang, Yulin Deng, Ashok K. Sood, Dennis L. Polla, Zhong Lin Wang (2007). Giant Enhancement in UV Response of ZnO Nanobelts by Polymer Surface-Functionalization. , 129(40), DOI: https://doi.org/10.1021/ja075249w.
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Type
Article
Year
2007
Authors
7
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.1021/ja075249w
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