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| Title: | Solution-Processed Transparent CuO Thin Films for Solar-Blind Photodetection |
| Authors: | Dixit, Tejendra Tripathi, Akash Palani, Anand Iyamperumal Singh, Vipul |
| Keywords: | Absorption;Annealing;Copper oxides;Cost effectiveness;Energy gap;Gold;Lighting;Optoelectronic devices;Photoconductivity;Photodetectors;Photonic band gap;Photons;CuO thin films;Persistent Photoconductivity;Photo detection;Photoresponsivity;Rejection ratios;Solar blind;Solar-blind photodetectors;Solution-processed;Thin films |
| Issue Date: | 2019 |
| Publisher: | Institute of Electrical and Electronics Engineers Inc. |
| Citation: | DIxit, T., Tripathi, A., Ganapathi, K. L., Palani, I. A., Ramachandra Rao, M. S., & Singh, V. (2019). Solution-processed transparent CuO thin films for solar-blind photodetection. IEEE Electron Device Letters, 40(2), 255-258. doi:10.1109/LED.2018.2886928 |
| Abstract: | Highly transparent (Transmittance >90%), solution-processed thin films of CuO with a direct bandgap of 3.87 eV were first time utilized for solar blind photo-detection. The CuO thin-film-based photodetector has shown very large DUV/Vis. rejection ratio of ∼5430. The device has shown photo-responsivity value of 7.77 AW -1 and photo-detectivity of 3.08× 1011 cm · Hz 1/2W · 1. Interestingly, the device has shown persistent photoconductivity with a retention time of several days. In order to use the device for optical memory, the reset mechanism has been successfully demonstrated by annealing the device at 50 °C. The developed solution processed, highly transparent, solar-blind photodetector has immense potential for next-generation cost-effective optoelectronic devices. © 1980-2012 IEEE. |
| URI: | https://doi.org/10.1109/LED.2018.2886928 https://dspace.iiti.ac.in/handle/123456789/5773 |
| ISSN: | 0741-3106 |
| Type of Material: | Journal Article |
| Appears in Collections: | Department of Electrical Engineering |
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