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Title: Four-Terminal All-Perovskite Tandem Solar Cells Achieving Power Conversion Efficiencies Exceeding 23%

Abstract

We report on fabrication of 4-terminal all-perovskite tandem solar cells with power conversion efficiencies exceeding 23% by mechanically stacking semitransparent 1.75 eV wide-bandgap FA0.8Cs0.2Pb(I0.7Br0.3)3 perovskite top cells with 1.25 eV low-bandgap (FASnI3)0.6(MAPbI3)0.4 bottom cells. The top cells use MoOx/ITO transparent electrodes and achieve transmittance up to 70% beyond 700 nm.

Authors:
ORCiD logo [1];  [2]; ORCiD logo [1];  [3];  [1];  [4]; ORCiD logo [5]; ORCiD logo [1]
  1. Univ. of Toledo, Toledo, OH (United States)
  2. Univ. of Toledo, Toledo, OH (United States); Wuhan Univ., Wuhan (China)
  3. Univ. of Toledo, OH (United States)
  4. Wuhan Univ., Wuhan (China)
  5. National Renewable Energy Lab. (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (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:
1425570
Report Number(s):
NREL/JA-5900-71081
Journal ID: ISSN 2380-8195
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Accepted Manuscript
Journal Name:
ACS Energy Letters
Additional Journal Information:
Journal Volume: 3; Journal Issue: 2; Journal ID: ISSN 2380-8195
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; perovskite tandem solar cells; power coversion; efficiencies

Citation Formats

Zhao, Dewei, Wang, Changlei, Song, Zhaoning, Yu, Yue, Chen, Cong, Zhao, Xingzhong, Zhu, Kai, and Yan, Yanfa. Four-Terminal All-Perovskite Tandem Solar Cells Achieving Power Conversion Efficiencies Exceeding 23%. United States: N. p., 2018. Web. doi:10.1021/acsenergylett.7b01287.
Zhao, Dewei, Wang, Changlei, Song, Zhaoning, Yu, Yue, Chen, Cong, Zhao, Xingzhong, Zhu, Kai, & Yan, Yanfa. Four-Terminal All-Perovskite Tandem Solar Cells Achieving Power Conversion Efficiencies Exceeding 23%. United States. https://doi.org/10.1021/acsenergylett.7b01287
Zhao, Dewei, Wang, Changlei, Song, Zhaoning, Yu, Yue, Chen, Cong, Zhao, Xingzhong, Zhu, Kai, and Yan, Yanfa. Thu . "Four-Terminal All-Perovskite Tandem Solar Cells Achieving Power Conversion Efficiencies Exceeding 23%". United States. https://doi.org/10.1021/acsenergylett.7b01287. https://www.osti.gov/servlets/purl/1425570.
@article{osti_1425570,
title = {Four-Terminal All-Perovskite Tandem Solar Cells Achieving Power Conversion Efficiencies Exceeding 23%},
author = {Zhao, Dewei and Wang, Changlei and Song, Zhaoning and Yu, Yue and Chen, Cong and Zhao, Xingzhong and Zhu, Kai and Yan, Yanfa},
abstractNote = {We report on fabrication of 4-terminal all-perovskite tandem solar cells with power conversion efficiencies exceeding 23% by mechanically stacking semitransparent 1.75 eV wide-bandgap FA0.8Cs0.2Pb(I0.7Br0.3)3 perovskite top cells with 1.25 eV low-bandgap (FASnI3)0.6(MAPbI3)0.4 bottom cells. The top cells use MoOx/ITO transparent electrodes and achieve transmittance up to 70% beyond 700 nm.},
doi = {10.1021/acsenergylett.7b01287},
journal = {ACS Energy Letters},
number = 2,
volume = 3,
place = {United States},
year = {2018},
month = {1}
}

Journal Article:
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Cited by: 104 works
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Figures / Tables:

Figure 1. Figure 1.: (a) Absorption spectrum of a 1.75 eV perovskite film and transmittance spectrum of a semitransparent 1.75 eV perovskite top cell. (b) J−V curves of the semitransparent 1.75 eV perovskite top cell illuminated from the glass/FTO side and the 1.25 eV perovskite bottom cell with and without the semitransparentmore » 1.75 eV perovskite top cell as an optical filter. (c) Steady-state efficiencies of the semitransparent 1.75 eV perovksite top cell, the filtered 1.25 eV perovskite bottom cell, and the summed 4-T all-perovskite tandem cell. (d) EQE spectra of the 1.75 eV perovskite top cell and the filtered 1.25 eV perovskite bottom cell.« less

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