| 학회 |
한국공업화학회 |
| 학술대회 |
2020년 가을 (10/28 ~ 10/30, 광주 김대중컨벤션센터(Kimdaejung Convention Center)) |
| 권호 |
24권 1호 |
| 발표분야 |
포스터-에너지저장·변환 |
| 제목 |
Boosting the Stability of Fully-Inorganic Perovskite Solar Cells through Samarium Substitution in CsPbI2Br Perovskite |
| 초록 |
In this work, we employed the samarium (Sm3+) cation as a dopant as well as passivate defects of perovskite by a simple hot air method for inorganic perovskite solar cells (IPVSC). The CsPbI2Br with the optimal Sm3+ doping based IPVSC devices exhibited a peak power conversion efficiency (PCE) of a 15.68 % which is quite higher than the controlled device (12.85 %) device. Our optoelectronic analysis revealed that the 3% Sm-CsPbI2Br perovskite film enabling the increased light-harvesting ability and higher charge transportation. Besides, our non-encapsulated champion devices containing Sm3+ cation doping retain ＞ 85 % initial efficiency over 200 h under 85 °C stress. This work delivers a new approach to boost IPVSC photovoltaic performance. |
| 저자 |
Jyoti Vishnu Potil, 홍창국
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| 소속 |
전남대 |
| 키워드 |
Inorganic perovskite solar cells; CsPbI2Br; Sm3+ doping; Stability
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| E-Mail |
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