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Recent defect passivation drifts and role of additive engineering in perovskite photovoltaics
  • Hassan, Ali ;
  • Wang, Zhijie ;
  • Ahn, Yeong Hwan ;
  • Azam, Muhammad ;
  • Khan, Abbas Ahmad ;
  • Farooq, Umar ;
  • Zubair, Muhammad ;
  • Cao, Yu
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Publication Year
2022-10-01
Journal
Nano Energy
Publisher
Elsevier Ltd
Citation
Nano Energy, Vol.101
Keyword
Additive engineeringDefect passivationEnergy harvestingPerovskite solar cellsPhotovoltaics
Mesh Keyword
Additive engineeringDefect passivationGrain-boundariesHalide perovskitesIndustrialisationLow-cost solutionPhotovoltaicsRole of additivesSemiconductors thin filmsSolution processibility
All Science Classification Codes (ASJC)
Renewable Energy, Sustainability and the EnvironmentMaterials Science (all)Electrical and Electronic Engineering
Abstract
Rapid progress in the efficiency of hybrid lead halide perovskite photovoltaics surpassed the semiconductor thin-film solar cells such as CdTe (cadmium telluride), CZTS (copper zinc tin sulfide), and CIGS (copper indium gallium selenide) within a decade. Furthermore, low-cost solution processibility demonstrated the immense potential of perovskite solar cells (PSCs) as an alternative to commercially available light-harvesting materials. Despite the fast-track development in perovskite photovoltaic technology, several drawbacks are mainly linked with defects, including undercoordinated ions, band offsets, grain boundaries, photocurrent hysteresis, and environmental instability: restraint the industrialization of perovskite photovoltaics. Herein, we present the comprehensive knowledge of the source, nature, correlation with photophysical properties, and overlapping effects of these defects. The defects are categorized based on their energy levels within the conduction and valence bands, such as deep or shallow level defects, and their dimensionality (e.g., point defects such as vacancies, dislocation, grain boundaries, and cracks are regarded as zero-, one-, two-, and three-dimensional defects). Furthermore, we developed the fundamental understanding of defect-mediated, nonradiative recombination, ion migration, carrier trapping, and their cross-link with device performance and photocurrent hysteresis. Besides, an overview of topical defect passivation strategies on perovskite absorber, materials interface, charge transport layers, surface passivation, contact passivation, and additive engineering has been spotlighted. Finally, based on past and present defect healing drifts, we have summarized and recommended suggestions for next-generation PSCs, which will pave the way for swift industrialization.
ISSN
2211-2855
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/32810
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85134346241&origin=inward
DOI
https://doi.org/10.1016/j.nanoen.2022.107579
Journal URL
http://www.journals.elsevier.com/nano-energy/
Type
Article
Funding
We acknowledged the support for data collection, information, and writing of this review from National Key Research and Development Program of China (Grant No. 2017YFA0206600 ), Key Research Program of Frontier Science, Chinese Academy of Sciences (Grant No. QYZDB-SSW-SLH006 ), National Natural Science Foundation of China (Grant No. 61674141 , 51972300 , 21975245 ). Prof. Z.J. Wang appreciates the support from the Hundred Talents Program (Chinese Academy of Sciences). Prof. K.L. appreciates the support from Youth Innovation Promotion Association, Chinese Academy of sciences (No. 2020114 ), and Beijing Nova Program (No. 2020117 ). Zhejiang Provincial Natural Science Foundation of China under Grant No. ( LZ20E050003 ). Basic Science Research Program ( 2021R1A6A1A10044950 ) and the Midcareer Researcher Program ( 2020R1A2C1005735 ) through a National Research Foundation grant funded by the Korea Government .
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