High-performance methylammonium-free ideal-band-gap perovskite solar cells
Abstract
The development of mixed tin-lead (Sn-Pb)-based perovskite solar cells (PSCs) with low band gap (1.2–1.4 eV) has become critical not only for pushing single-junction devices toward the maximum efficiency given by the Shockley-Queisser limit, but also for enabling all-perovskite tandem devices beyond this limit. However, achieving high power-conversion efficiency (PCE) and long-term device operation stability simultaneously remains a significant challenge for Sn-Pb-based PSCs. Here, we demonstrate near ideal-band-gap (~1.34 eV) methylammonium-free Sn-Pb-based PSCs with high efficiency (~20%) and promising operational stability of maintaining >80% of initial PCE over 750 h under maximum-power-point tracking. The key to this success is the use of a SnCl2·3FACl complex additive that improves the microstructure and reduces the development of residual stress in the Sn-Pb perovskite thin films, which in turn enhances the efficiency and stability of the Sn-Pb-based ideal-band-gap PSCs.
- Authors:
- Publication Date:
- Research Org.:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
- OSTI Identifier:
- 1861900
- Alternate Identifier(s):
- OSTI ID: 1769843; OSTI ID: 1781177
- Report Number(s):
- NREL/JA-5900-79293
Journal ID: ISSN 2590-2385; S2590238521000035; PII: S2590238521000035
- Grant/Contract Number:
- AC36-08GO28308
- Resource Type:
- Published Article
- Journal Name:
- Matter (Online)
- Additional Journal Information:
- Journal Name: Matter (Online) Journal Volume: 4 Journal Issue: 4; Journal ID: ISSN 2590-2385
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; perovskite solar cells; Sn-Pb perovskite; ideal band gap; additives; strain; stability
Citation Formats
Tong, Jinhui, Gong, Jue, Hu, Mingyu, Yadavalli, Srinivas K., Dai, Zhenghong, Zhang, Fei, Xiao, Chuanxiao, Hao, Ji, Yang, Mengjin, Anderson, Michael A., Ratcliff, Erin L., Berry, Joseph J., Padture, Nitin P., Zhou, Yuanyuan, and Zhu, Kai. High-performance methylammonium-free ideal-band-gap perovskite solar cells. United States: N. p., 2021.
Web. doi:10.1016/j.matt.2021.01.003.
Tong, Jinhui, Gong, Jue, Hu, Mingyu, Yadavalli, Srinivas K., Dai, Zhenghong, Zhang, Fei, Xiao, Chuanxiao, Hao, Ji, Yang, Mengjin, Anderson, Michael A., Ratcliff, Erin L., Berry, Joseph J., Padture, Nitin P., Zhou, Yuanyuan, & Zhu, Kai. High-performance methylammonium-free ideal-band-gap perovskite solar cells. United States. https://doi.org/10.1016/j.matt.2021.01.003
Tong, Jinhui, Gong, Jue, Hu, Mingyu, Yadavalli, Srinivas K., Dai, Zhenghong, Zhang, Fei, Xiao, Chuanxiao, Hao, Ji, Yang, Mengjin, Anderson, Michael A., Ratcliff, Erin L., Berry, Joseph J., Padture, Nitin P., Zhou, Yuanyuan, and Zhu, Kai. Thu .
"High-performance methylammonium-free ideal-band-gap perovskite solar cells". United States. https://doi.org/10.1016/j.matt.2021.01.003.
@article{osti_1861900,
title = {High-performance methylammonium-free ideal-band-gap perovskite solar cells},
author = {Tong, Jinhui and Gong, Jue and Hu, Mingyu and Yadavalli, Srinivas K. and Dai, Zhenghong and Zhang, Fei and Xiao, Chuanxiao and Hao, Ji and Yang, Mengjin and Anderson, Michael A. and Ratcliff, Erin L. and Berry, Joseph J. and Padture, Nitin P. and Zhou, Yuanyuan and Zhu, Kai},
abstractNote = {The development of mixed tin-lead (Sn-Pb)-based perovskite solar cells (PSCs) with low band gap (1.2–1.4 eV) has become critical not only for pushing single-junction devices toward the maximum efficiency given by the Shockley-Queisser limit, but also for enabling all-perovskite tandem devices beyond this limit. However, achieving high power-conversion efficiency (PCE) and long-term device operation stability simultaneously remains a significant challenge for Sn-Pb-based PSCs. Here, we demonstrate near ideal-band-gap (~1.34 eV) methylammonium-free Sn-Pb-based PSCs with high efficiency (~20%) and promising operational stability of maintaining >80% of initial PCE over 750 h under maximum-power-point tracking. The key to this success is the use of a SnCl2·3FACl complex additive that improves the microstructure and reduces the development of residual stress in the Sn-Pb perovskite thin films, which in turn enhances the efficiency and stability of the Sn-Pb-based ideal-band-gap PSCs.},
doi = {10.1016/j.matt.2021.01.003},
journal = {Matter (Online)},
number = 4,
volume = 4,
place = {United States},
year = {Thu Apr 01 00:00:00 EDT 2021},
month = {Thu Apr 01 00:00:00 EDT 2021}
}
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