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ID:28350323
大小:14.18 MB
页数:63页
时间:2018-12-09
《znoga背电极双面入射光cigs薄膜太阳电池的分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、摘要摘要以透明导电氧化物为背电极的双面入射光CIGS薄膜太阳电池,由于半透光特性,可以广泛用于巴士候车亭、火车站和飞机场的太阳能顶棚和天窗,同时,可用于多结的叠层电池等。然而,透明导电膜与CIGS吸收层之间的整流结接触,损害了电池的电流输出性能。本文对ZnO:Ga/CIGS接触问题进行了分析和解决,利用ZnO:Ga/MoSe:背电极制备了双面入射光CIGS薄膜太阳电池。论文首先概述了能源的发展史和太阳电池的发展历程,以及CIGS薄膜太阳电池的研究历程,详细介绍了双面入射光CIGS薄膜太阳电池的研究成果。接着,
2、介绍了所采用的双面入射光CIGS薄膜太阳电池的器件结构及每层薄膜的沉积工艺,以及半导体薄膜表征所涉及的测试手段。之后,对玻璃上的Mo薄膜以及ZnO:Ga上Mo的硒化工艺,比如衬底温度、掺钠工艺等,进行了探索和优化,并将MoSe。引入到ZnO:Ga/CIGS的界面处,研究了该中间层对ZnO:Ga/CIGS接触特性的影响。最后,我们分别用ZnO:Ga和ZnO:Ga/MoSe:背电极,制备了CIGS电池,并对其在AM1.5太阳模拟器下,进行了电流一电压特性的测试,并测试了相对量子效率。对改善电池性能的因素进行了比较
3、和分析,提出了改进的措施。关键词:透明导电膜双面太阳电池硒化钼CIGS薄膜ZnO:GaAbstractBifacialCu(In,Ga)Se2thinfilmsolarcellcouldbewidelyusedassolarwindowsinbusshelter,railwaystationandairportwaitinghallduetoitssemi-transparencywimtransparentconductingoxideasbackelectrode.Meanwhile.itissuitab
4、leintandemsolarcells.However,therectifyingjunctionbetweentransparentconductingoxideandCu(In,Ga)Se2absorbersdeterioratesthecellperformance.Thus,thecontactissueofZnO:GaandCu(in,Ga)Se2wereanalyzedandsolvedinthisthesis.BifacialCIGSsolarcellswerefabricatedwithZn
5、O:Ga/MoSe2backelectrode.Tobeginwith,thehistoryofenergyexploitsandsolarcells,thedevelopmentmilestonesofCu(地Ga)Se2solarcellsarelistedinthefirstchapter.FollowingisdetailedinformationofbifacialCIGSsolarcells.Andthen.thedevicestructureofbifacialsolarcellsandthed
6、epositionprocessforeachlayeralesimplifiedtogetherwiththecharacterizationmethods.Thereafter,theselenizationparametersofMothinfilmsbothonbaresodalimeglassandonZnO:Gacoatedonewereexploitedandoptimized,i.e.thesubstratetemperatureandthesodiumincorporation.Theadd
7、itionofMoSe2intoZnO:Ga/CIGSinterfaceanditseffectonthecontactwerestudied.Finally,CIGSsolarcellswerefabricatedonbothZnO:GaelectrodesandZnO:Ga/MoSe2backcontact.CellperformanceswerecarriedonundertheilluminationofAM1.5sunsimulator.Quantumefficiencieswerealsomeas
8、uredwimcrystalsiliconsolarcellsasreferences.Furthermodificationforsolarcellsaredeliveredwimcomparisonandanalysisofparametersrelatedtoimprovingcurrentsolarcells.KeyWords:transparentconductingoxidebifaci
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