典型文献
Over 12％efficient kesterite solar cell via back interface engineering
文献摘要：
Kesterite Cu2ZnSn(S,Se)4(CZTSSe)has attracted considerable attention as a non-toxic and earth-abundant solar cell material.During selenization of CZTSSe film at high temperature,the reaction between CZTSSe and Mo is one of the main reasons that result in unfavorable absorber and interface qual-ity,which leads to large open circuit voltage deficit(VOC-def)and low fill factor(FF).Herein,a WO3 inter-mediate layer introduced at the back interface can effectually inhibit the unfavorable interface reaction between absorber and back electrode in the preliminary selenization progress;thus high-quality crystals are obtained.Through this back interface engineering,the traditional problems of phase segregation,voids in the absorber and over thick Mo(S,Se)2 at the back interface can be well solved,which greatly les-sens the recombination in the bulk and at the interface.The increased minority carrier diffusion length,decreased barrier height at back interface contact and reduced deep acceptor defects give rise to system-atic improvement in Voc and FF,finally a 12.66％conversion efficiency for CZTSSe solar cell has been achieved.This work provides a simple way to fabricate highly efficient solar cells and promotes a deeper understanding of the function of intermediate layer at back interface in kesterite-based solar cells.
文献关键词：
中图分类号：
作者姓名：
Yunhai Zhao;Zixuan Yu;Juguang Hu;Zhuanghao Zheng;Hongli Ma;Kaiwen Sun;Xiaojing Hao;Guangxing Liang;Ping Fan;Xianghua Zhang;Zhenghua Su
作者机构：
Shenzhen Key Laboratory of Advanced Thin Films and Applications,Key Laboratory of Optoelectronic Devices and Systems,College of Physics and Optoelectronic Engineering,Shenzhen University,Shenzhen 518060,Guangdong,China;CNRS,ISCR(Institut des Sciences Chimiques de Rennes)UMR 6226,Univ Rennes,Rennes F-35000,France;School of Photovoltaic and Renewable Energy Engineering,UNSW Sydney,Sydney NSW 2052,Australia;Shenzhen University Institute of Microscale Optoelectronics,Shenzhen University,Shenzhen 518060,Guangdong,China
文献出处：
引用格式：
[1]Yunhai Zhao;Zixuan Yu;Juguang Hu;Zhuanghao Zheng;Hongli Ma;Kaiwen Sun;Xiaojing Hao;Guangxing Liang;Ping Fan;Xianghua Zhang;Zhenghua Su-.Over 12％efficient kesterite solar cell via back interface engineering)[J].能源化学,2022(12):321-329
A类：
Kesterite,effectually
B类：
Over,efficient,kesterite,solar,via,back,interface,engineering,Cu2ZnSn,CZTSSe,attracted,considerable,attention,toxic,earth,abundant,material,During,selenization,film,temperature,reaction,between,Mo,one,main,reasons,that,result,unfavorable,absorber,which,leads,large,open,circuit,voltage,deficit,VOC,low,fill,FF,Herein,WO3,layer,introduced,can,inhibit,electrode,preliminary,progress,thus,quality,crystals,are,obtained,Through,this,traditional,problems,phase,segregation,voids,over,thick,well,solved,greatly,les,sens,recombination,bulk,increased,minority,carrier,diffusion,length,decreased,barrier,height,contact,reduced,acceptor,defects,give,rise,system,atic,improvement,Voc,finally,conversion,efficiency,been,achieved,This,work,provides,simple,way,fabricate,highly,cells,promotes,deeper,understanding,function,intermediate
AB值：
0.57586
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