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Title: Surface lattice engineering through three-dimensional lead iodide perovskitoid for high-performance perovskite solar cells

Abstract

Surface modification of organic-inorganic halide perovskite thin films represents a promising approach to enhance the efficiency and stability of perovskite solar cells. Here, we synthesized N-methyl-1,3-propane diammonium diiodide (Me-PDAI2) and found that Me-PDA2+ can template a three-dimensional “perovskitoid” structure (Me-PDA)Pb2I6. Simple surface treatment with Me-PDAI2 on top of a standard (FAPbI3)0.85(MAPbI2Br)0.10(CsPbI3)0.05 perovskite induces the formation of a thin (Me-PDA)Pb2I6 perovskitoid surface layer, leading to smoother surface texture, longer charge-carrier lifetime, higher charge-carrier mobility, and a reduced surface-defect density. Furthermore, with the perovskitoid surface modification, the device efficiency is significantly improved from 20.3% to 22.0% along with enhanced stability in both shelf life (ISOS-D-1 stability) and operation (ISOS-L-1 stability). We further demonstrated that the perovskitoid surface engineering approach is applicable to various perovskite compositions, including CsFAMA-, FAMA-, and MA-based lead halide perovskites, making perovskitoid an important design motif for perovskite surface engineering for enhanced device performance and stability.

Authors:
; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office; USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1854400
Alternate Identifier(s):
OSTI ID: 1766881; OSTI ID: 1781215
Report Number(s):
NREL/JA-5900-77365
Journal ID: ISSN 2451-9294; S2451929420306550; PII: S2451929420306550
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Published Article
Journal Name:
Chem
Additional Journal Information:
Journal Name: Chem Journal Volume: 7 Journal Issue: 3; Journal ID: ISSN 2451-9294
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; perovskitoid; surface passivation; stability; perovskite solar cell

Citation Formats

Zhang, Fei, Lu, Haipeng, Larson, Bryon W., Xiao, Chuanxiao, Dunfield, Sean P., Reid, Obadiah G., Chen, Xihan, Yang, Mengjin, Berry, Joseph J., Beard, Matthew C., and Zhu, Kai. Surface lattice engineering through three-dimensional lead iodide perovskitoid for high-performance perovskite solar cells. United States: N. p., 2021. Web. doi:10.1016/j.chempr.2020.12.023.
Zhang, Fei, Lu, Haipeng, Larson, Bryon W., Xiao, Chuanxiao, Dunfield, Sean P., Reid, Obadiah G., Chen, Xihan, Yang, Mengjin, Berry, Joseph J., Beard, Matthew C., & Zhu, Kai. Surface lattice engineering through three-dimensional lead iodide perovskitoid for high-performance perovskite solar cells. United States. https://doi.org/10.1016/j.chempr.2020.12.023
Zhang, Fei, Lu, Haipeng, Larson, Bryon W., Xiao, Chuanxiao, Dunfield, Sean P., Reid, Obadiah G., Chen, Xihan, Yang, Mengjin, Berry, Joseph J., Beard, Matthew C., and Zhu, Kai. Mon . "Surface lattice engineering through three-dimensional lead iodide perovskitoid for high-performance perovskite solar cells". United States. https://doi.org/10.1016/j.chempr.2020.12.023.
@article{osti_1854400,
title = {Surface lattice engineering through three-dimensional lead iodide perovskitoid for high-performance perovskite solar cells},
author = {Zhang, Fei and Lu, Haipeng and Larson, Bryon W. and Xiao, Chuanxiao and Dunfield, Sean P. and Reid, Obadiah G. and Chen, Xihan and Yang, Mengjin and Berry, Joseph J. and Beard, Matthew C. and Zhu, Kai},
abstractNote = {Surface modification of organic-inorganic halide perovskite thin films represents a promising approach to enhance the efficiency and stability of perovskite solar cells. Here, we synthesized N-methyl-1,3-propane diammonium diiodide (Me-PDAI2) and found that Me-PDA2+ can template a three-dimensional “perovskitoid” structure (Me-PDA)Pb2I6. Simple surface treatment with Me-PDAI2 on top of a standard (FAPbI3)0.85(MAPbI2Br)0.10(CsPbI3)0.05 perovskite induces the formation of a thin (Me-PDA)Pb2I6 perovskitoid surface layer, leading to smoother surface texture, longer charge-carrier lifetime, higher charge-carrier mobility, and a reduced surface-defect density. Furthermore, with the perovskitoid surface modification, the device efficiency is significantly improved from 20.3% to 22.0% along with enhanced stability in both shelf life (ISOS-D-1 stability) and operation (ISOS-L-1 stability). We further demonstrated that the perovskitoid surface engineering approach is applicable to various perovskite compositions, including CsFAMA-, FAMA-, and MA-based lead halide perovskites, making perovskitoid an important design motif for perovskite surface engineering for enhanced device performance and stability.},
doi = {10.1016/j.chempr.2020.12.023},
journal = {Chem},
number = 3,
volume = 7,
place = {United States},
year = {Mon Mar 01 00:00:00 EST 2021},
month = {Mon Mar 01 00:00:00 EST 2021}
}

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