{"title":"Streamlined Phase Transition and Reaction Compensation in Hybrid Evaporation-Solution Deposited Inverted Perovskite Solar Cells","authors":"Jiahao Wang, Yuan Zhou, Wei Ai, Dexin Pu, Hongyi Fang, Shiqiang Fu, Hongling Guan, Wenlong Shao, Guoyi Chen, Weiwei Meng, Guojia Fang, Weijun Ke","doi":"10.1002/aenm.202404954","DOIUrl":null,"url":null,"abstract":"Perovskite solar cells (PSCs) represent a promising technology for next-generation photovoltaics, yet scaling up from laboratory to industrial production via the solution spin-coating method encounters significant challenges. Vacuum deposition offers a potential alternative but struggles with controlling perovskite phases and ensuring sufficient precursor reactions. Here, the study presents a hybrid evaporation-solution approach using a large cation-based pseudo-halogen anion salt (guanidine thiocyanate) and a compensating cation salt (methylammonium iodide) as co-additives to finely modulate the phase transition process. This approach eliminates the need for intermediate-phase transitions, promotes sufficient precursor reactions, and facilitates the formation of highly oriented α-phase perovskites prior to annealing. Consequently, it prevents detrimental δ-phase formation, yielding enlarged, homogeneous perovskite grains with significantly reduced defects. The resulting p-i-n-structured PSCs achieve a maximum efficiency of 24.72% and a low open-circuit voltage loss of 0.377 V, coupled with significantly improved stability. The work integrates the advantages of vacuum deposition and solution processing, providing new insights into perovskite phase transitions and paving the way for the efficient, scalable production of high-performance PSCs.","PeriodicalId":111,"journal":{"name":"Advanced Energy Materials","volume":"38 1","pages":""},"PeriodicalIF":24.4000,"publicationDate":"2024-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advanced Energy Materials","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1002/aenm.202404954","RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 0
Abstract
Perovskite solar cells (PSCs) represent a promising technology for next-generation photovoltaics, yet scaling up from laboratory to industrial production via the solution spin-coating method encounters significant challenges. Vacuum deposition offers a potential alternative but struggles with controlling perovskite phases and ensuring sufficient precursor reactions. Here, the study presents a hybrid evaporation-solution approach using a large cation-based pseudo-halogen anion salt (guanidine thiocyanate) and a compensating cation salt (methylammonium iodide) as co-additives to finely modulate the phase transition process. This approach eliminates the need for intermediate-phase transitions, promotes sufficient precursor reactions, and facilitates the formation of highly oriented α-phase perovskites prior to annealing. Consequently, it prevents detrimental δ-phase formation, yielding enlarged, homogeneous perovskite grains with significantly reduced defects. The resulting p-i-n-structured PSCs achieve a maximum efficiency of 24.72% and a low open-circuit voltage loss of 0.377 V, coupled with significantly improved stability. The work integrates the advantages of vacuum deposition and solution processing, providing new insights into perovskite phase transitions and paving the way for the efficient, scalable production of high-performance PSCs.
期刊介绍:
Established in 2011, Advanced Energy Materials is an international, interdisciplinary, English-language journal that focuses on materials used in energy harvesting, conversion, and storage. It is regarded as a top-quality journal alongside Advanced Materials, Advanced Functional Materials, and Small.
With a 2022 Impact Factor of 27.8, Advanced Energy Materials is considered a prime source for the best energy-related research. The journal covers a wide range of topics in energy-related research, including organic and inorganic photovoltaics, batteries and supercapacitors, fuel cells, hydrogen generation and storage, thermoelectrics, water splitting and photocatalysis, solar fuels and thermosolar power, magnetocalorics, and piezoelectronics.
The readership of Advanced Energy Materials includes materials scientists, chemists, physicists, and engineers in both academia and industry. The journal is indexed in various databases and collections, such as Advanced Technologies & Aerospace Database, FIZ Karlsruhe, INSPEC (IET), Science Citation Index Expanded, Technology Collection, and Web of Science, among others.