Santosh Kumar and Vinay Kumar, M. and Pattabi, Manjunatha and Asokan, K. and Xavier and Nini and Martin and Chandrashekar, B. N. and Chun, Cheng and Krishnaveni, S. (2018) Effect of gamma irradiation on electrical properties of CdTe/CdS solar cells. In: International Conference on Advances in Science & Engineering ICASE, 19th- 22nd January 2017.
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The effect of Co-60 Gamma irradiation on electrical characteristics of CdTe/CdS solar cell has been analyzed using in-situ current-voltage characterization (I-V) in dark condition. The irradiation was done over a wide range of doses from 1kGy to 100 kGy. Electrical parameters such as ideality factor (n), series resistance (RS) and reverse bias leakage current (IR) for each dose have been calculated from the I-V characteristics. The ideality factor of the pristine solar cell is found to be 1.80 and it gradually increased up to 3.38 for the dose of 10 kGy, then it is around 3.38-3.61 for higher doses up to 100 kGy. The I-V characteristics showed significant increase in forward bias and drastic increase in reverse leakage current. The value of IR is 16.8 µA for pristine solar cell and it increases to 1.46 mA for 10 kGy. Further there is four times observable change in the value of IR. However the value of Rs is 0.80 ohm for pristine and continuously decreases to 0.34 ohm for 50 kGy dose. Further there is slight increase in the series resistance to 0.38 ohm for 100 kGy dose.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Additional Information: | International Conference on Advances in Science & Engineering ICASE -2017, 19th – 22nd January 2017 |
| Uncontrolled Keywords: | CdTe, CdS, Gamma Irradiation, Solar cells, Space application, Radiation hardness |
| Subjects: | D Physical Science > Physics |
| Divisions: | Department of > Physics |
| Depositing User: | Manjula P Library Assistant |
| Date Deposited: | 07 Nov 2019 07:30 |
| Last Modified: | 02 Jul 2022 09:55 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/9875 |
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