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PRODUCTION METHODS FOR Sn-BASED PEROVSKITE LAYER AND SOLAR CELL

外国特許コード F200010051
整理番号 6159
掲載日 2020年5月15日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2019JP011860
国際公開番号 WO 2019182058
国際出願日 平成31年3月20日(2019.3.20)
国際公開日 令和元年9月26日(2019.9.26)
優先権データ
  • 特願2018-053418 (2018.3.20) JP
発明の名称 (英語) PRODUCTION METHODS FOR Sn-BASED PEROVSKITE LAYER AND SOLAR CELL
発明の概要(英語) [Problem] To provide a production method for a perovskite layer using a tin-based perovskite compound and having excellent flatness, and a production method for a perovskite solar cell using the perovskite layer obtained by means of the aforementioned production method. 
[Solution] A production method for a perovskite layer that involves, in order, a step for applying a solution containing a Sn-based perovskite compound to a substrate, a step for applying a poor solvent to the substrate, and a step for annealing the substrate, wherein the poor solvent is at 45°C to 100°C.
従来技術、競合技術の概要(英語) BACKGROUND ART
Japanese Patent Laid-Open Patent Application 2015-138822, and lead halide and alkyl ammonium halide used as a raw material, the light absorption layer by solution processing step of forming a perovskite-containing perovskite type solar cell and a manufacturing method.
Lead-free perovskite compound is a tin-based perovskite compound has been studied. However, at present, a tin-based perovskite compound is used as a solar cell that has not been obtained is excellent. As shown in the test example described later, a tin-based perovskite compound, it is impossible to completely cover the underlying perovskite layer, as a result, perovskite layer and the unevenness is generated, the leak or the like occurs in the uneven portion to be the cause.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • KYOTO UNIVERSITY
  • 発明者(英語)
  • WAKAMIYA Atsushi
  • OZAKI Masashi
  • JEIWEI Liu
国際特許分類(IPC)
指定国 National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JO JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
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