Overcoming Short-Circuit in Lead-Free CH3NH3SnI3 Perovskite Solar Cells via Kinetically Controlled Gas–Solid Reaction Film Fabrication Process
Abstract
The development of Sn-based perovskite solar cells has been challenging because devices often show short-circuit behavior due to poor morphologies and undesired electrical properties of the thin films. A low-temperature vapor-assisted solution process (LT-VASP) has been employed as a novel kinetically controlled gas–solid reaction film fabrication method to prepare lead-free CH3NH3SnI3 thin films. We show that the solid SnI2 substrate temperature is the key parameter in achieving perovskite films with high surface coverage and excellent uniformity. The resulting high-quality CH3NH3SnI3 films allow the successful fabrication of solar cells with drastically improved reproducibility, reaching an efficiency of 1.86%. Furthermore, our Kelvin probe studies show the VASP films have a doping level lower than that of films prepared from the conventional one-step method, effectively lowering the film conductivity. Above all, with (LT)-VASP, the short-circuit behavior often obtained from the conventional one-step-fabricated Sn-based perovskite devices has been overcome. Finally, this study facilitates the path to more successful Sn-perovskite photovoltaic research.
- Authors:
-
- Northwestern Univ., Evanston, IL (United States); Mitsubishi Chemical Group Science & Technology Research Center, Inc., Yokohama (Japan)
- Northwestern Univ., Evanston, IL (United States)
- Mitsubishi Chemical Group Science & Technology Research Center, Inc., Yokohama (Japan)
- Publication Date:
- Research Org.:
- Energy Frontier Research Centers (EFRC) (United States). Argonne-Northwestern Solar Energy Research Center (ANSER)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
- OSTI Identifier:
- 1371251
- Grant/Contract Number:
- SC0001059; DMR-1121262
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Physical Chemistry Letters
- Additional Journal Information:
- Journal Volume: 7; Journal Issue: 5; Related Information: ANSER partners with Northwestern University (lead); Argonne National Laboratory; University of Chicago; University of Illinois, Urbana-Champaign; Yale University; Journal ID: ISSN 1948-7185
- Publisher:
- American Chemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; 14 SOLAR ENERGY; catalysis (homogeneous); catalysis (heterogeneous); solar (photovoltaic); solar (fuels); photosynthesis (natural and artificial); bio-inspired; hydrogen and fuel cells; electrodes - solar; defects; charge transport; spin dynamics; membrane; materials and chemistry by design; optics; synthesis (novel materials); synthesis (self-assembly)
Citation Formats
Yokoyama, Takamichi, Cao, Duyen H., Stoumpos, Constantinos C., Song, Tze-Bin, Sato, Yoshiharu, Aramaki, Shinji, and Kanatzidis, Mercouri G. Overcoming Short-Circuit in Lead-Free CH3NH3SnI3 Perovskite Solar Cells via Kinetically Controlled Gas–Solid Reaction Film Fabrication Process. United States: N. p., 2016.
Web. doi:10.1021/acs.jpclett.6b00118.
Yokoyama, Takamichi, Cao, Duyen H., Stoumpos, Constantinos C., Song, Tze-Bin, Sato, Yoshiharu, Aramaki, Shinji, & Kanatzidis, Mercouri G. Overcoming Short-Circuit in Lead-Free CH3NH3SnI3 Perovskite Solar Cells via Kinetically Controlled Gas–Solid Reaction Film Fabrication Process. United States. https://doi.org/10.1021/acs.jpclett.6b00118
Yokoyama, Takamichi, Cao, Duyen H., Stoumpos, Constantinos C., Song, Tze-Bin, Sato, Yoshiharu, Aramaki, Shinji, and Kanatzidis, Mercouri G. Mon .
"Overcoming Short-Circuit in Lead-Free CH3NH3SnI3 Perovskite Solar Cells via Kinetically Controlled Gas–Solid Reaction Film Fabrication Process". United States. https://doi.org/10.1021/acs.jpclett.6b00118. https://www.osti.gov/servlets/purl/1371251.
@article{osti_1371251,
title = {Overcoming Short-Circuit in Lead-Free CH3NH3SnI3 Perovskite Solar Cells via Kinetically Controlled Gas–Solid Reaction Film Fabrication Process},
author = {Yokoyama, Takamichi and Cao, Duyen H. and Stoumpos, Constantinos C. and Song, Tze-Bin and Sato, Yoshiharu and Aramaki, Shinji and Kanatzidis, Mercouri G.},
abstractNote = {The development of Sn-based perovskite solar cells has been challenging because devices often show short-circuit behavior due to poor morphologies and undesired electrical properties of the thin films. A low-temperature vapor-assisted solution process (LT-VASP) has been employed as a novel kinetically controlled gas–solid reaction film fabrication method to prepare lead-free CH3NH3SnI3 thin films. We show that the solid SnI2 substrate temperature is the key parameter in achieving perovskite films with high surface coverage and excellent uniformity. The resulting high-quality CH3NH3SnI3 films allow the successful fabrication of solar cells with drastically improved reproducibility, reaching an efficiency of 1.86%. Furthermore, our Kelvin probe studies show the VASP films have a doping level lower than that of films prepared from the conventional one-step method, effectively lowering the film conductivity. Above all, with (LT)-VASP, the short-circuit behavior often obtained from the conventional one-step-fabricated Sn-based perovskite devices has been overcome. Finally, this study facilitates the path to more successful Sn-perovskite photovoltaic research.},
doi = {10.1021/acs.jpclett.6b00118},
journal = {Journal of Physical Chemistry Letters},
number = 5,
volume = 7,
place = {United States},
year = {Mon Feb 15 00:00:00 EST 2016},
month = {Mon Feb 15 00:00:00 EST 2016}
}
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Lead-free hybrid perovskites for photovoltaics
journal, January 2018
- Stroyuk, Oleksandr
- Beilstein Journal of Nanotechnology, Vol. 9
Lead‐Free Solar Cells based on Tin Halide Perovskite Films with High Coverage and Improved Aggregation
journal, September 2018
- Liu, Jiewei; Ozaki, Masashi; Yakumaru, Shinya
- Angewandte Chemie, Vol. 130, Issue 40
Formation of Stable Tin Perovskites Co-crystallized with Three Halides for Carbon-Based Mesoscopic Lead-Free Perovskite Solar Cells
journal, September 2017
- Tsai, Cheng-Min; Mohanta, Nayantara; Wang, Chi-Yung
- Angewandte Chemie, Vol. 129, Issue 44
Reversible Band Gap Narrowing of Sn-Based Hybrid Perovskite Single Crystal with Excellent Phase Stability
journal, October 2018
- Ju, Dianxing; Zheng, Xiaopeng; Liu, Jialiang
- Angewandte Chemie International Edition, Vol. 57, Issue 45
Double Perovskites overtaking the single perovskites : A set of new solar harvesting materials with much higher stability and efficiency
text, January 2018
- Kangsabanik, Jiban; Sugathan, Vipinraj; Yadav, Anuradha
- arXiv
Mixed-Organic-Cation Tin Iodide for Lead-Free Perovskite Solar Cells with an Efficiency of 8.12%
journal, July 2017
- Zhao, Ziran; Gu, Feidan; Li, Yunlong
- Advanced Science, Vol. 4, Issue 11
Lead-Free Hybrid Perovskite Absorbers for Viable Application: Can We Eat the Cake and Have It too?
journal, November 2017
- Liang, Lusheng; Gao, Peng
- Advanced Science, Vol. 5, Issue 2
Recent Advances in Synthesis and Properties of Hybrid Halide Perovskites for Photovoltaics
journal, September 2018
- Vidyasagar, C. C.; Muñoz Flores, Blanca M.; Jiménez Pérez, Víctor M.
- Nano-Micro Letters, Vol. 10, Issue 4
Solvent-Coordinated Tin Halide Complexes as Purified Precursors for Tin-Based Perovskites
journal, October 2017
- Ozaki, Masashi; Katsuki, Yukie; Liu, Jiewei
- ACS Omega, Vol. 2, Issue 10
Substrate-dependent electronic structure and film formation of MAPbI3 perovskites
journal, January 2017
- Olthof, Selina; Meerholz, Klaus
- Scientific Reports, Vol. 7, Issue 1
Perovskite solar cells: must lead be replaced – and can it be done?
journal, May 2018
- Zhang, Qi; Hao, Feng; Li, Jianbao
- Science and Technology of Advanced Materials, Vol. 19, Issue 1
Enhanced photovoltaic performance and stability with a new type of hollow 3D perovskite {en}FASnI 3
journal, August 2017
- Ke, Weijun; Stoumpos, Constantinos C.; Zhu, Menghua
- Science Advances, Vol. 3, Issue 8
Morphology Analysis and Optimization: Crucial Factor Determining the Performance of Perovskite Solar Cells
journal, March 2017
- Zeng, Wenjin; Liu, Xingming; Guo, Xiangru
- Molecules, Vol. 22, Issue 4
Lead-free hybrid perovskites for photovoltaics
journal, January 2018
- Stroyuk, Oleksandr
- Beilstein Journal of Nanotechnology, Vol. 9