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1、少铅钙钛矿CH3NH3SrxPb(1-x)I3的合成及其在全固态薄膜太阳能电池中的应用February[Article]物理化学学报(WuliHuaxueXuebao)ActaPhys.-Chim.Sin.2015,31(2),285-290doi:10.3866/PKU.WHXB201412241285www.whxb.pku.edu.cn少铅钙钛矿CH3NH3SrxPb(1-x)I3的合成及其在全固态薄膜太阳能电池中的应用白晓功1史彦涛1,*张鸿1王开1王亮1董庆顺1马廷丽1,2,*邢玉瑾1(1大连理工大学化学学院,精细化工国家重点实验室,辽宁大连1
2、16024;2九州工业大学生命体工学研究科,北九州808-0196,福冈,日本)摘要:近年来,有机-无机杂化铅卤化物钙钛矿太阳能电池(PSCs)得到了迅猛发展,其最高光电转换效率已经达到19.3%.该类型太阳能电池使用的钙钛矿型吸光材料为含Pb的有机-无机杂化铅卤钙钛矿,从长远来看,Pb的毒性将制约其大规模应用.本文从减少吸光材料中Pb的含量出发,尝试用Sr部分取代Pb制备一系列少铅钙钛矿CH3NH3SrxPb(1-x)I3,并将其应用于钙钛矿太阳能电池进行光电性能的研究.研究结果表明,相比于全Pb钙钛矿(CH3NH3PbI3)材料,Sr取代量为30%(
3、x=0.3)时,所形成的CH3NH3Sr0.3Pb0.7I3光谱吸收大范围增强,—————————————————————————————————————————————————————但基于此材料制备的电池器件性能明显下降.关键词:钙钛矿太阳能电池;少铅;锶取代;CH3NH3SrxPb(1-x)I3O644中图分类号:SynthesisofCH3NH3SrxPb(1-x)I3withLessPbContentandItsApplicationinAll-SolidThinFilmSolarCellsBAIXiao-Gong1XINGYu-Jin1SHI
4、Yan-Tao1,*ZHANGHong1WANGKai1DONGQing-Shun1WANGLiang1MATing-Li1,2,*(1StateKeyLaboratoryofFineChemicals,CollegeofChemistry,DalianUniversityofTechnology,Dalian116024,LiaoningProvince,P.R.China;2GraduateSchoolofLifeScienceandSystemsEngineering,KyushuInstituteofTechnology,Kitakyushu80
5、8-0196,Fukuoka,Japan)—————————————————————————————————————————————————————Abstract:Hybridorganic-inorganicleadhalideperovskitesolarcells(PSCs)haverecentlyundergonerapidprogressandexhibithighphotoelectricconversionefficienciesofupto19.3%.Aslight-absorberinPSCs,thehybridorganic-ino
6、rganicleadhalideperovskitecannotbeusedinlarge-scaleapplicationsbecauseofitshighPbcontent.Inthiswork,wereplacedsomePbwithSrtosynthesizeanovelperovskiteCH3NH3SrxPb(1-x)I3anduseditasalight-absorberinPSCs.ComparedwithCH3NH3PbI3,CH3NH3Sr0.3Pb0.7I3isabetterlight-absorberbutthecorrespon
7、dingphotovoltaicperformanceinPSCsdecreasedobviously.KeyWords:Perovskitesolarcell;LessPb;Srreplacing;CH3NH3SrxPb(1-x)I31引言入光伏电池以来,染料敏化太阳能电池(DSCs)因其成本低、制作工艺简单、有较高理论光电转化效率自1991年Gr?tzel课题组1将TiO2纳米晶薄膜引Received:September29,2014;Revised:December23,2014;PublishedonWeb:December24,2014.?Co
8、rrespondingauthors.SHIYan-Tao,Email:shiy