Figshare最新文献

筛选

英文中文

MultifunctionalnPolymer Capping Frameworks EnablenHigh-Efficiency and Stable All-Inorganic Perovskite Solar Cells 多功能聚合物封盖框架实现高效稳定的全无机钙钛矿太阳能电池

Figshare Pub Date : 2022-04-21 DOI: 10.1021/acsaem.2c00923.s001

Fangxuan Yi (12442408), Qiyao Guo (8536668), Dengduan Zheng (12442411), Rong Zhuang (9985903), Junshuai Zhang (838777), Qunwei Tang (3727480), Jialong Duan (7876937)

{"title":"MultifunctionalnPolymer Capping Frameworks EnablenHigh-Efficiency and Stable All-Inorganic Perovskite Solar Cells","authors":"Fangxuan Yi (12442408), Qiyao Guo (8536668), Dengduan Zheng (12442411), Rong Zhuang (9985903), Junshuai Zhang (838777), Qunwei Tang (3727480), Jialong Duan (7876937)","doi":"10.1021/acsaem.2c00923.s001","DOIUrl":"https://doi.org/10.1021/acsaem.2c00923.s001","url":null,"abstract":"All-inorganicnperovskite solar cells (PSCs) have shown great potentialnto balance the efficiency and stability of traditional organic–inorganicnhybrid species. However, arising from the rapid crystal nucleationnrate and soft lattice of perovskite crystals, solution-processed filmnfabrication technology generally leads to morphologic flaws, includingndefective grain boundaries (GBs) and surfaces, which in turn acceleratenperovskite phase decomposition upon persistent stimuli and then reducenthe photovoltaic performance of PSCs. Herein, polymeric poly(vinylpyrrolidone)n(PVP) with enormous functional carbon–oxygen groups is introducedninto the CsPbIBr<sub>2</sub> precursor as a multifunctional polymerncapping framework to effectively improve the film quality and healnthe lattice defects (uncoordinated Pb<sup>2+</sup>). By carefullynmaximizing the film crystallization and grain coverage, a significantlynenhanced PCE of 10.54% coupled with the remarkably enhanced stabilitynunder air (≤20% relative humidity, >99% retention for 100ndays)nfor a carbon-electrode-based device is achieved. This work paves ancomprehensive promotion strategy for the development of perovskite-basednoptoelectronics.","PeriodicalId":522015,"journal":{"name":"Figshare","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147889851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0