Suppressed recombination for monolithic inorganic perovskite/silicon tandem solar cells with an approximate efficiency of 23%
作者机构：Institute of Photoelectronic Thin Film Devices and TechnologyRenewable Energy Conversion and Storage CenterSolar Energy Conversion CenterNankai UniversityTianjin300350PR China Key Laboratory of Photoelectronic Thin Film Devices and Technology of TianjinTianjin300350PR China Haihe Laboratory of Sustainable Chemical TransformationsTianjin300192PR China Engineering Research Center of Thin Film Photoelectronic Technology of Ministry of EducationTianjin300350PR China Collaborative Innovation Center of Chemical Science and Engineering(Tianjin)Tianjin300072PR China Laboratory of Photonics and InterfacesEcole Polytechnique Federale de LausanneLausanne1015Switzerland
出 版 物：《eScience》 (电化学与能源科学（英文）)
年 卷 期：2022年第2卷第3期
页 面：339-346页
学科分类：0830[工学-环境科学与工程（可授工学、理学、农学学位）] 081704[工学-应用化学] 07[理学] 0817[工学-化学工程与技术] 08[工学] 0807[工学-动力工程及工程热物理] 0805[工学-材料科学与工程（可授工学、理学学位）] 0703[理学-化学] 070301[理学-无机化学] 0702[理学-物理学]
基 金：support of National Key Research and Development Program of China(Grant No.2018YFB1500103) the Joint Funds of the National Natural Science Foundation of China(Grant No.U21A2072) the National Natural Scicence Foundation of China(Grant No.62104115) the Natural Science Foundation of Tianjin(No.20JCQNJC02070) China Postdoctoral Science Foundation(No.2020T130317) the Overseas Expertise Introduction Project for Discipline Innovation of Higher Education of China(Grant No.B16027) Tianjin Science and Technology Project(Grant No.18ZXJMTG00220) Key R&D Program of Hebei Province(No.19214301D) Financial support was provided by the Haihe Laboratory of Sustainable Chemical Transformations,and the Fundamental Research Funds for the Central Universities,Nankai University
主 题：Inorganic perovskite Tandem solar cell Recombination Surface passivation
摘 要：Potentially temperature-resistant inorganic perovskite/silicon tandem solar cells(TSCs)are promising devices for boosting efficiency past the single-junction silicon ***,undesirable non-radiative recombination generally leads to a significant voltage ***,we introduce an effective strategy using nickel iodide,an inorganic halide salt,to passivate iodine vacancies and suppress non-radiative ***_(2)-treated CsPbI_(3-x)Br_(x) inor-ganic perovskite solar cells with a 1.80 eV bandgap exhibited an efficiency of 19.53%and a voltage of 1.36 V,corresponding to a voltage deficit of 0.44 ***,the treated device demonstrated excellent operational stability,maintaining 95.7%of its initial efficiency after maximum power point tracking for 300 h under continuous illumination in a N_(2) *** combining this inorganic perovskite top cell with a narrower bandgap silicon bottom cell,we for the first time achieved monolithic inorganic perovskite/silicon TSCs,which exhibited an effi-ciency of 22.95%with an open-circuit voltage of 2.04 *** work provides a promising strategy for using inorganic passivation materials to achieve efficient and stable solar cells.
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