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An Ultrahigh Responsivity (9.7 mA W−1) Self‐Powered Solar‐Blind Photodetector Based on Individual ZnO–Ga2O3 Heterostructures
Abstract
Highly crystallized ZnO–Ga 2 O 3 core–shell heterostructure microwire is synthesized by a simple one‐step chemical vapor deposition method, and constructed into a self‐powered solar‐blind (200–280 nm) photodetector with a sharp cutoff wavelength at 266 nm. The device shows an ultrahigh responsivity (9.7 mA W−1) at 251 nm with a high UV/visible rejection ratio (R251 nm/R400 nm) of 6.9 × 10 2 under zero bias. The self‐powered device has a fast response speed with rise time shorter than 100 µs and decay time of 900 µs, respectively. The ultrahigh responsivity, high UV/visible rejection ratio, and fast response speed make it highly suitable in practical self‐powered solar‐blind detection. Additinoally, this microstructure heterojunction design method would provide a new approach to realize the high‐performance self‐powered photodetectors.
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Cites
Physics of Semiconductor Devices
Sze, S. M., & Ng, K. K. (2006) · doi:10.1002/0470068329 · Cited by 14,627
Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire Arrays
Wang, Z. L., & Song, J. (2006) · Science · doi:10.1126/science.1124005 · Cited by 7,922
Cited by
Materials and Designs for Wearable Photodetectors
Cai, S., Xu, X., Yang, W., Chen, J., & Fang, X. (2019) · Advanced Materials · doi:10.1002/adma.201808138 · Cited by 445
Self-citationSelf-powered diamond/β-Ga2O3 photodetectors for solar-blind imaging
Chen, Y.-C., Lu, Y.-J., Lin, C.-N., Tian, Y.-Z., Gao, C.-J., Dong, L., & Shan, C.-X. (2018) · Journal of Materials Chemistry C · doi:10.1039/c8tc01122b · Cited by 394
Goel, V., & Kumar, H. (2024) · IEEE Transactions on Electron Devices · doi:10.1109/ted.2024.3408775 · Cited by 5
Metadata
- Authors
- Zhao, B., Wang, F., Chen, H., Zheng, L., Su, L., Zhao, D., & Fang, X.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2017-03-22
- Volume
- 27
- Issue
- 17
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2602941508
- Cited by
- 840
- References
- 2
- FWCI
- 25.29
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhao, B., Wang, F., Chen, H., Zheng, L., Su, L., Zhao, D., & Fang, X. (2017). An Ultrahigh Responsivity (9.7 mA W−1) Self‐Powered Solar‐Blind Photodetector Based on Individual ZnO–Ga2O3 Heterostructures. Advanced Functional Materials. https://doi.org/10.1002/adfm.201700264
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