Efficient two-terminal all-perovskite tandem solar cells enabled by high-quality low-bandgap absorber layers
Abstract
We report that multi-junction all-perovskite tandem solar cells are a promising choice for next-generation solar cells with high efficiency and low fabrication cost. However, the lack of high-quality low-bandgap perovskite absorber layers seriously hampers the development of efficient and stable two-terminal monolithic all-perovskite tandem solar cells. Here, we report a bulk-passivation strategy via incorporation of chlorine, to enlarge grains and reduce electronic disorder in mixed tin-lead low-bandgap (~1.25 eV) perovskite absorber layers. This enables the fabrication of efficient low-bandgap perovskite solar cells using thick absorber layers (~750 nm), which is a requisite for efficient tandem solar cells. Such improvement enables the fabrication of two-terminal all-perovskite tandem solar cells with a champion power conversion efficiency of 21% and steady-state efficiency of 20.7%. Finally, the efficiency is retained to 85% of its initial performance after 80 h of operation under continuous illumination.
- Authors:
-
[1];
[1];
[1];
[3];
[5];
[1]
- Univ. of Toledo, OH (United States)
- Univ. of Toledo, OH (United States); Wuhan Univ. (China)
- Wuhan Univ. (China)
- Nanchang University (China); Southeast University, Nanjing (China)
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Publication Date:
- Research Org.:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S). SunShot Initiative
- OSTI Identifier:
- 1485560
- Report Number(s):
- NREL/JA-5900-72358
Journal ID: ISSN 2058-7546
- Grant/Contract Number:
- AC36-08GO28308; FOA-0000990
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature Energy
- Additional Journal Information:
- Journal Volume: 3; Journal Issue: 12; Journal ID: ISSN 2058-7546
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; 36 MATERIALS SCIENCE; perovskites; tandem solar cells; efficiency; fabrication
Citation Formats
Zhao, Dewei, Chen, Cong, Wang, Changlei, Junda, Maxwell M., Song, Zhaoning, Grice, Corey R., Yu, Yue, Li, Chongwen, Subedi, Biwas, Podraza, Nikolas J., Zhao, Xingzhong, Fang, Guojia, Xiong, Ren-Gen, Zhu, Kai, and Yan, Yanfa. Efficient two-terminal all-perovskite tandem solar cells enabled by high-quality low-bandgap absorber layers. United States: N. p., 2018.
Web. doi:10.1038/s41560-018-0278-x.
Zhao, Dewei, Chen, Cong, Wang, Changlei, Junda, Maxwell M., Song, Zhaoning, Grice, Corey R., Yu, Yue, Li, Chongwen, Subedi, Biwas, Podraza, Nikolas J., Zhao, Xingzhong, Fang, Guojia, Xiong, Ren-Gen, Zhu, Kai, & Yan, Yanfa. Efficient two-terminal all-perovskite tandem solar cells enabled by high-quality low-bandgap absorber layers. United States. https://doi.org/10.1038/s41560-018-0278-x
Zhao, Dewei, Chen, Cong, Wang, Changlei, Junda, Maxwell M., Song, Zhaoning, Grice, Corey R., Yu, Yue, Li, Chongwen, Subedi, Biwas, Podraza, Nikolas J., Zhao, Xingzhong, Fang, Guojia, Xiong, Ren-Gen, Zhu, Kai, and Yan, Yanfa. Mon .
"Efficient two-terminal all-perovskite tandem solar cells enabled by high-quality low-bandgap absorber layers". United States. https://doi.org/10.1038/s41560-018-0278-x. https://www.osti.gov/servlets/purl/1485560.
@article{osti_1485560,
title = {Efficient two-terminal all-perovskite tandem solar cells enabled by high-quality low-bandgap absorber layers},
author = {Zhao, Dewei and Chen, Cong and Wang, Changlei and Junda, Maxwell M. and Song, Zhaoning and Grice, Corey R. and Yu, Yue and Li, Chongwen and Subedi, Biwas and Podraza, Nikolas J. and Zhao, Xingzhong and Fang, Guojia and Xiong, Ren-Gen and Zhu, Kai and Yan, Yanfa},
abstractNote = {We report that multi-junction all-perovskite tandem solar cells are a promising choice for next-generation solar cells with high efficiency and low fabrication cost. However, the lack of high-quality low-bandgap perovskite absorber layers seriously hampers the development of efficient and stable two-terminal monolithic all-perovskite tandem solar cells. Here, we report a bulk-passivation strategy via incorporation of chlorine, to enlarge grains and reduce electronic disorder in mixed tin-lead low-bandgap (~1.25 eV) perovskite absorber layers. This enables the fabrication of efficient low-bandgap perovskite solar cells using thick absorber layers (~750 nm), which is a requisite for efficient tandem solar cells. Such improvement enables the fabrication of two-terminal all-perovskite tandem solar cells with a champion power conversion efficiency of 21% and steady-state efficiency of 20.7%. Finally, the efficiency is retained to 85% of its initial performance after 80 h of operation under continuous illumination.},
doi = {10.1038/s41560-018-0278-x},
journal = {Nature Energy},
number = 12,
volume = 3,
place = {United States},
year = {2018},
month = {11}
}
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FAPb 0.5 Sn 0.5 I 3 : A Narrow Bandgap Perovskite Synthesized through Evaporation Methods for Solar Cell Applications
journal, August 2019
- Igual-Muñoz, Ana M.; Ávila, Jorge; Boix, Pablo P.
- Solar RRL, Vol. 4, Issue 2
Highly Efficient Sn–Pb Perovskite Solar Cell and High‐Performance All‐Perovskite Four‐Terminal Tandem Solar Cell
journal, December 2019
- Yao, Yanqing; Lv, Feng; Luo, Lie
- Solar RRL, Vol. 4, Issue 3