Exceeding the limit of plasmonic light trapping in textured screen-printed solar cells using Al nanoparticles and wrinkle-like graphene sheets

查看全文 作　　者：Xi [1]Chen;Baohua [1]Jia;Yinan [1]Zhang;Min [1]Gu

机构地区：[1]Centre for Micro-Photonics,Faculty of Engineering and Industrial Sciences,Swinburne University of Technology,Hawthorn,Victoria 3122,Australia

出　　处：《Light(Science & Applications)》索引2013年第2卷第1期,共6页

摘　　要：The solar cell market is predominantly based on textured screen-printed solar cells.Due to parasitic absorption in nanostructures,using plasmonic processes to obtain an enhancement that exceeds 2.5%of the short-circuit photocurrent density is challenging.In this paper,a 7.2%enhancement in the photocurrent density can be achieved through the integration of plasmonic Al nanoparticles and wrinkle-like graphene sheets.For the first time,we experimentally achieve Al nanoparticle-enhanced solar cells.An innovative thermal evaporation method is proposed to fabricate low-coverage Al nanoparticle arrays on solar cells.Due to the ultraviolet(UV)plasmon resonance of Al nanoparticles,the performance enhancement of the solar cells is significantly greater than that from Ag nanoparticles.Subsequently,we deposit wrinkle-like graphene sheets over the Al nanoparticle-enhanced solar cells.Compared with planar graphene sheets,the bend carbon layer also exhibits a broadband light-trapping effect.Our results exceed the limit of plasmonic light trapping in textured screen-printed silicon solar cells. 关键词：Al nanoparticles plasmonic light trapping screen-printed solar cells wrinkle-like graphene sheets

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Exceeding the limit of plasmonic light trapping in textured screen-printed solar cells using Al nanoparticles and wrinkle-like graphene sheets

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