Carrier control in Sn–Pb perovskites via 2D cation engineering for all-perovskite tandem solar cells with improved efficiency and stability
Abstract
All-perovskite tandem solar cells are promising for achieving photovoltaics with power conversion efficiencies above the detailed balance limit of single-junction cells, while retaining the low cost, light weight and other advantages associated with metal halide perovskite photovoltaics. However, the efficiency and stability of all-perovskite tandem cells are limited by the Sn–Pb-based narrow-bandgap perovskite cells. Here we show that the formation of quasi-two-dimensional (quasi-2D) struc- ture (PEA)2GAPb2I7 from additives based on mixed bulky organic cations phenethylammonium (PEA+) and guanidinium (GA+) provides critical defect control to substantially improve the structural and optoelectronic properties of the narrow-bandgap (1.25 eV) Sn–Pb perovskite thin films. This 2D additive engineering results in Sn–Pb-based absorbers with low dark carrier density (~1.3 × 1014 cm−3 ), long bulk carrier lifetime (~9.2 μs) and low surface recombination velocity (~1.4 cm s−1 ), leading to 22.1%-efficient single-junction Sn–Pb perovskite cells and 25.5%-efficient all-perovskite two-terminal tandems with high photovoltage and long operational stability
- Authors:
-
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- National Renewable Energy Lab. (NREL), Golden, CO (United States). Chemistry and Nanoscience Center
- National Renewable Energy Lab. (NREL), Golden, CO (United States). Materials Science Center
- Univ. of Toledo, OH (United States). Wright Center for Photovoltaics Innovation and Commercialization
- National Renewable Energy Lab. (NREL), Golden, CO (United States). Materials Science Center; Univ. of Colorado, Boulder, CO (United States); Univ. of Colorado, Boulder, CO (United States). Renewable and Sustainable Energy Inst.
- Univ. of Colorado, Boulder, CO (United States)
- National Renewable Energy Lab. (NREL), Golden, CO (United States). Chemistry and Nanoscience Center; Univ. of Colorado, Boulder, CO (United States); Univ. of Colorado, Boulder, CO (United States). Renewable and Sustainable Energy Inst.
- National Renewable Energy Lab. (NREL), Golden, CO (United States). Chemistry and Nanoscience Center; Univ. of Colorado, Boulder, CO (United States). Renewable and Sustainable Energy Inst.
- Publication Date:
- Research Org.:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States); Univ. of Colorado, Boulder, CO (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
- OSTI Identifier:
- 1873671
- Alternate Identifier(s):
- OSTI ID: 2283540
- Report Number(s):
- NREL/JA-5900-81222
Journal ID: ISSN 2058-7546; MainId:81995;UUID:97e7bb73-68dc-4f8a-b870-eefee71d6690;MainAdminID:64719
- Grant/Contract Number:
- AC36-08GO28308; EE0008551
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature Energy
- Additional Journal Information:
- Journal Volume: 7; Journal Issue: 7; Journal ID: ISSN 2058-7546
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; carrier lifetime; defect passivation; perovskite; tandem
Citation Formats
Tong, Jinhui, Jiang, Qi, Ferguson, Andrew J., Palmstrom, Axel F., Wang, Xiaoming, Hao, Ji, Dunfield, Sean P., Louks, Amy E., Harvey, Steven P., Li, Chongwen, Lu, Haipeng, France, Ryan M., Johnson, Samuel A., Zhang, Fei, Yang, Mengjin, Geisz, John F., McGehee, Michael D., Beard, Matthew C., Yan, Yanfa, Kuciauskas, Darius, Berry, Joseph J., and Zhu, Kai. Carrier control in Sn–Pb perovskites via 2D cation engineering for all-perovskite tandem solar cells with improved efficiency and stability. United States: N. p., 2022.
Web. doi:10.1038/s41560-022-01046-1.
Tong, Jinhui, Jiang, Qi, Ferguson, Andrew J., Palmstrom, Axel F., Wang, Xiaoming, Hao, Ji, Dunfield, Sean P., Louks, Amy E., Harvey, Steven P., Li, Chongwen, Lu, Haipeng, France, Ryan M., Johnson, Samuel A., Zhang, Fei, Yang, Mengjin, Geisz, John F., McGehee, Michael D., Beard, Matthew C., Yan, Yanfa, Kuciauskas, Darius, Berry, Joseph J., & Zhu, Kai. Carrier control in Sn–Pb perovskites via 2D cation engineering for all-perovskite tandem solar cells with improved efficiency and stability. United States. https://doi.org/10.1038/s41560-022-01046-1
Tong, Jinhui, Jiang, Qi, Ferguson, Andrew J., Palmstrom, Axel F., Wang, Xiaoming, Hao, Ji, Dunfield, Sean P., Louks, Amy E., Harvey, Steven P., Li, Chongwen, Lu, Haipeng, France, Ryan M., Johnson, Samuel A., Zhang, Fei, Yang, Mengjin, Geisz, John F., McGehee, Michael D., Beard, Matthew C., Yan, Yanfa, Kuciauskas, Darius, Berry, Joseph J., and Zhu, Kai. Mon .
"Carrier control in Sn–Pb perovskites via 2D cation engineering for all-perovskite tandem solar cells with improved efficiency and stability". United States. https://doi.org/10.1038/s41560-022-01046-1. https://www.osti.gov/servlets/purl/1873671.
@article{osti_1873671,
title = {Carrier control in Sn–Pb perovskites via 2D cation engineering for all-perovskite tandem solar cells with improved efficiency and stability},
author = {Tong, Jinhui and Jiang, Qi and Ferguson, Andrew J. and Palmstrom, Axel F. and Wang, Xiaoming and Hao, Ji and Dunfield, Sean P. and Louks, Amy E. and Harvey, Steven P. and Li, Chongwen and Lu, Haipeng and France, Ryan M. and Johnson, Samuel A. and Zhang, Fei and Yang, Mengjin and Geisz, John F. and McGehee, Michael D. and Beard, Matthew C. and Yan, Yanfa and Kuciauskas, Darius and Berry, Joseph J. and Zhu, Kai},
abstractNote = {All-perovskite tandem solar cells are promising for achieving photovoltaics with power conversion efficiencies above the detailed balance limit of single-junction cells, while retaining the low cost, light weight and other advantages associated with metal halide perovskite photovoltaics. However, the efficiency and stability of all-perovskite tandem cells are limited by the Sn–Pb-based narrow-bandgap perovskite cells. Here we show that the formation of quasi-two-dimensional (quasi-2D) struc- ture (PEA)2GAPb2I7 from additives based on mixed bulky organic cations phenethylammonium (PEA+) and guanidinium (GA+) provides critical defect control to substantially improve the structural and optoelectronic properties of the narrow-bandgap (1.25 eV) Sn–Pb perovskite thin films. This 2D additive engineering results in Sn–Pb-based absorbers with low dark carrier density (~1.3 × 1014 cm−3 ), long bulk carrier lifetime (~9.2 μs) and low surface recombination velocity (~1.4 cm s−1 ), leading to 22.1%-efficient single-junction Sn–Pb perovskite cells and 25.5%-efficient all-perovskite two-terminal tandems with high photovoltage and long operational stability},
doi = {10.1038/s41560-022-01046-1},
journal = {Nature Energy},
number = 7,
volume = 7,
place = {United States},
year = {Mon Jun 13 00:00:00 EDT 2022},
month = {Mon Jun 13 00:00:00 EDT 2022}
}
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