Impact of Precursor Concentration on Perovskite Crystallization for Efficient Wide-Bandgap Solar Cells
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Fabrication of PSCs
2.3. Characterization of Films and Devices
3. Results
3.1. Morphology and Crystallization of the Wide-Bandgap Perovskite Films
3.2. Optical Properties of the Wide-Bandgap Perovskite Films
3.3. Trap States of the Wide-Bandgap Perovskite Films
3.4. Performance of Wide-Bandgap PSCs
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Precursor Concentration | JSC (mA cm−2) | VOC (V) | FF (%) | PCEbest (%) | PCEaverage (%) |
---|---|---|---|---|---|
0.8 M | 17.62 | 1.16 | 79.53 | 16.38 | 16.08 ± 0.35 |
1.1 M | 19.56 | 1.16 | 78.92 | 18.05 | 17.45 ± 0.67 |
1.4 M | 20.70 | 1.15 | 78.11 | 18.69 | 18.35 ± 0.59 |
1.7 M | 21.31 | 1.15 | 78.45 | 19.31 | 18.92 ± 0.46 |
2.0 M | 22.85 | 1.16 | 79.71 | 21.13 | 20.39 ± 0.74 |
2.3 M | 21.18 | 1.16 | 76.18 | 18.73 | 18.42 ± 0.42 |
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Du, S.; Yang, J.; Qu, S.; Lan, Z.; Sun, T.; Dong, Y.; Shang, Z.; Liu, D.; Yang, Y.; Yan, L.; et al. Impact of Precursor Concentration on Perovskite Crystallization for Efficient Wide-Bandgap Solar Cells. Materials 2022, 15, 3185. https://doi.org/10.3390/ma15093185
Du S, Yang J, Qu S, Lan Z, Sun T, Dong Y, Shang Z, Liu D, Yang Y, Yan L, et al. Impact of Precursor Concentration on Perovskite Crystallization for Efficient Wide-Bandgap Solar Cells. Materials. 2022; 15(9):3185. https://doi.org/10.3390/ma15093185
Chicago/Turabian StyleDu, Shuxian, Jing Yang, Shujie Qu, Zhineng Lan, Tiange Sun, Yixin Dong, Ziya Shang, Dongxue Liu, Yingying Yang, Luyao Yan, and et al. 2022. "Impact of Precursor Concentration on Perovskite Crystallization for Efficient Wide-Bandgap Solar Cells" Materials 15, no. 9: 3185. https://doi.org/10.3390/ma15093185