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  • 标题:AlGaAs/Si dual‐junction tandem solar cells by epitaxial lift‐off and print‐transfer‐assisted direct bonding
  • 本地全文:下载
  • 作者:Xiong, Kanglin ; Mi, Hongyi ; Chang, Tzu‐Hsuan
  • 期刊名称:Energy Science & Engineering
  • 电子版ISSN:2050-0505
  • 出版年度:2018
  • 卷号:6
  • 期号:1
  • 页码:47-55
  • DOI:10.1002/ese3.182
  • 语种:English
  • 出版社:John Wiley & Sons, Ltd.
  • 摘要:Abstract

    A novel method is developed to realize a III-V/Si dual-junction photovoltaic cell by combining epitaxial lift-off (ELO) and print-transfer-assisted bonding methods. The adoption of ELO enables III-V wafers to be recycled and reused, which can further lower the cost of III-V/Si photovoltaic panels. For demonstration, high crystal quality, micrometer-thick, GaAs/AlGaAs/GaAs films are lifted off, transferred, and directly bonded onto Si wafer without the use of any adhesive or bonding agents. The bonding interface is optically transparent and conductive both thermally and electrically. Prototype AlGaAs/Si dual-junction tandem solar cells have been fabricated and exhibit decent performance.

  • 关键词:Epitaxy;heterogeneous;solar cell;thin films
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