Degradation Mechanism Due to Water Ingress Effect on the Top Contact of Cu(In,Ga)Se2 Solar Cells
Abstract
:1. Introduction
2. Materials and Methods
3. Results and Discussion
3.1. Effect of Water Ingress on the Window Layer
3.2. Effect of Water Soaking on Devices
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Sample | VOC (V) | JSC (mA/cm2) | JSC (QE) (mA/cm2) | FF (%) | η (%) | |
---|---|---|---|---|---|---|
3 mTorr | Ref | 0.66 | 32.7 | 32.6 | 74.4 | 16.0 |
12 h WS | 0.66 | 32.6 | 32.6 | 74.3 | 16.0 | |
24 h WS | 0.66 | 32.3 | 32.4 | 74.2 | 15.8 | |
5 mTorr | Ref | 0.65 | 33.1 | 33.0 | 73.0 | 15.6 |
12 h WS | 0.64 | 32.9 | 32.9 | 72.8 | 15.3 | |
24 h WS | 0.64 | 30.5 | 30.6 | 62.0 | 12.1 |
Sample | J0 (mA/cm2) | Diode Factor (A) | RSH (kΩ·cm2) | RS (Ω·cm2) | |
---|---|---|---|---|---|
3 mTorr | Ref | 2.5 × 10−9 | 1.8 | 1.2 × 104 | 0.4 |
12 h WS | 4.0 × 10−9 | 1.8 | 1.3 × 104 | 0.5 | |
24 h WS | 5.0 × 10−9 | 1.9 | 2.4 × 104 | 0.5 | |
5 mTorr | Ref | 2.5 × 10−9 | 1.7 | 7.5 × 103 | 0.4 |
12 h WS | 8.0 × 10−9 | 1.8 | 8.0 × 103 | 0.5 | |
24 h WS | 8.0 × 10−9 | 2.0 | 1.4 × 103 | 0.6 |
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Poudel, D.; Karki, S.; Belfore, B.; Rajan, G.; Atluri, S.S.; Soltanmohammad, S.; Rockett, A.; Marsillac, S. Degradation Mechanism Due to Water Ingress Effect on the Top Contact of Cu(In,Ga)Se2 Solar Cells. Energies 2020, 13, 4545. https://doi.org/10.3390/en13174545
Poudel D, Karki S, Belfore B, Rajan G, Atluri SS, Soltanmohammad S, Rockett A, Marsillac S. Degradation Mechanism Due to Water Ingress Effect on the Top Contact of Cu(In,Ga)Se2 Solar Cells. Energies. 2020; 13(17):4545. https://doi.org/10.3390/en13174545
Chicago/Turabian StylePoudel, Deewakar, Shankar Karki, Benjamin Belfore, Grace Rajan, Sushma Swaraj Atluri, Sina Soltanmohammad, Angus Rockett, and Sylvain Marsillac. 2020. "Degradation Mechanism Due to Water Ingress Effect on the Top Contact of Cu(In,Ga)Se2 Solar Cells" Energies 13, no. 17: 4545. https://doi.org/10.3390/en13174545