Yuan, G., Xie, W., Song, Q., Ma, S., Ma, Y., Shi, C., Xiao, M., Pei, F., Niu, X., Zhang, Y., Dou, J., Zhu, C., Bai, Y., Wu, Y., Wang, H., Fan, Q., & Chen, Q. (2023). Inhibited Crack Development by Compressive Strain in Perovskite Solar Cells with Improved Mechanical Stability. Advanced Materials, 35(17), Article 2211257. https://doi.org/10.1002/adma.202211257
Yuan, Guizhou ; Xie, Wenqiang ; Song, Qizhen et al. / Inhibited Crack Development by Compressive Strain in Perovskite Solar Cells with Improved Mechanical Stability. In: Advanced Materials. 2023 ; Vol. 35, No. 17.
@article{5eabc53d304f4581a1c184f02b0ffa28,
title = "Inhibited Crack Development by Compressive Strain in Perovskite Solar Cells with Improved Mechanical Stability",
abstract = "Metal halide perovskites are promising as next-generation photovoltaic materials, but stability issues are still a huge obstacle to their commercialization. Here, the formation and evolution of cracks in perovskite films during thermal cycling, which affect their mechanical stability, are investigated. Compressive strain is employed to suppress cracks and delamination by in situ formed polymers with low elastic modulus during crystal growth. The resultant devices pass the thermal-cycling qualification (IEC61215:2016), retaining 95% of the initial power conversion efficiency (PCE) and compressive strain after 230 cycles. Meanwhile, the p–i–n devices deliver PCEs of 23.91% (0.0805 cm2) and 23.27% (1 cm2). The findings shed light on strain engineering with respect to their evolution, which enables mechanically stable perovskite solar cells.",
keywords = "compressive strain, cracks, mechanically stable perovskite solar cells, thermal cycling",
author = "Guizhou Yuan and Wenqiang Xie and Qizhen Song and Sai Ma and Yue Ma and Congbo Shi and Mengqi Xiao and Fengtao Pei and Xiuxiu Niu and Ying Zhang and Jie Dou and Cheng Zhu and Yang Bai and Yiliang Wu and Hao Wang and Qunbo Fan and Qi Chen",
note = "Publisher Copyright: {\textcopyright} 2023 Wiley-VCH GmbH.",
year = "2023",
month = apr,
day = "26",
doi = "10.1002/adma.202211257",
language = "English",
volume = "35",
journal = "Advanced Materials",
issn = "0935-9648",
publisher = "Wiley-Blackwell",
number = "17",
}
Yuan, G, Xie, W, Song, Q, Ma, S, Ma, Y, Shi, C, Xiao, M, Pei, F, Niu, X, Zhang, Y, Dou, J, Zhu, C, Bai, Y, Wu, Y, Wang, H, Fan, Q & Chen, Q 2023, 'Inhibited Crack Development by Compressive Strain in Perovskite Solar Cells with Improved Mechanical Stability', Advanced Materials, vol. 35, no. 17, 2211257. https://doi.org/10.1002/adma.202211257
Inhibited Crack Development by Compressive Strain in Perovskite Solar Cells with Improved Mechanical Stability. / Yuan, Guizhou; Xie, Wenqiang; Song, Qizhen et al.
In:
Advanced Materials, Vol. 35, No. 17, 2211257, 26.04.2023.
Research output: Contribution to journal › Article › peer-review
TY - JOUR
T1 - Inhibited Crack Development by Compressive Strain in Perovskite Solar Cells with Improved Mechanical Stability
AU - Yuan, Guizhou
AU - Xie, Wenqiang
AU - Song, Qizhen
AU - Ma, Sai
AU - Ma, Yue
AU - Shi, Congbo
AU - Xiao, Mengqi
AU - Pei, Fengtao
AU - Niu, Xiuxiu
AU - Zhang, Ying
AU - Dou, Jie
AU - Zhu, Cheng
AU - Bai, Yang
AU - Wu, Yiliang
AU - Wang, Hao
AU - Fan, Qunbo
AU - Chen, Qi
N1 - Publisher Copyright:
© 2023 Wiley-VCH GmbH.
PY - 2023/4/26
Y1 - 2023/4/26
N2 - Metal halide perovskites are promising as next-generation photovoltaic materials, but stability issues are still a huge obstacle to their commercialization. Here, the formation and evolution of cracks in perovskite films during thermal cycling, which affect their mechanical stability, are investigated. Compressive strain is employed to suppress cracks and delamination by in situ formed polymers with low elastic modulus during crystal growth. The resultant devices pass the thermal-cycling qualification (IEC61215:2016), retaining 95% of the initial power conversion efficiency (PCE) and compressive strain after 230 cycles. Meanwhile, the p–i–n devices deliver PCEs of 23.91% (0.0805 cm2) and 23.27% (1 cm2). The findings shed light on strain engineering with respect to their evolution, which enables mechanically stable perovskite solar cells.
AB - Metal halide perovskites are promising as next-generation photovoltaic materials, but stability issues are still a huge obstacle to their commercialization. Here, the formation and evolution of cracks in perovskite films during thermal cycling, which affect their mechanical stability, are investigated. Compressive strain is employed to suppress cracks and delamination by in situ formed polymers with low elastic modulus during crystal growth. The resultant devices pass the thermal-cycling qualification (IEC61215:2016), retaining 95% of the initial power conversion efficiency (PCE) and compressive strain after 230 cycles. Meanwhile, the p–i–n devices deliver PCEs of 23.91% (0.0805 cm2) and 23.27% (1 cm2). The findings shed light on strain engineering with respect to their evolution, which enables mechanically stable perovskite solar cells.
KW - compressive strain
KW - cracks
KW - mechanically stable perovskite solar cells
KW - thermal cycling
UR - http://www.scopus.com/inward/record.url?scp=85150761193&partnerID=8YFLogxK
U2 - 10.1002/adma.202211257
DO - 10.1002/adma.202211257
M3 - Article
C2 - 36753745
AN - SCOPUS:85150761193
SN - 0935-9648
VL - 35
JO - Advanced Materials
JF - Advanced Materials
IS - 17
M1 - 2211257
ER -
Yuan G, Xie W, Song Q, Ma S, Ma Y, Shi C et al. Inhibited Crack Development by Compressive Strain in Perovskite Solar Cells with Improved Mechanical Stability. Advanced Materials. 2023 Apr 26;35(17):2211257. doi: 10.1002/adma.202211257