Enhanced Power Conversion Efficiency in Solution-Processed Rigid CuIn(S,Se)2 and Flexible Cu(In,Ga)Se2 Solar Cells Utilizing Plasmonic Au-SiO2 Core-Shell Nanoparticles

Chia Wei Chen, Yi Ju Chen, Stuart R. Thomas, Yu Ting Yen, Lung Teng Cheng, Yi Chung Wang, Teng Yu Su, Hao Lin, Cheng Hung Hsu, Johnny C. Ho, Tung Po Hsieh, Yu Lun Chueh

研究成果: ジャーナルへの寄稿学術誌査読

4 被引用数 (Scopus)

抄録

Plasmonic resonance effect triggered by gold nanoparticles (NPs) is utilized to enhance light harvesting in different types of thin-film solar cells. However, there is no report using the plasmonic resonance effect triggered by metal NPs in chalcopyrite absorber-based devices because of the high reactivity between the metal NPs and indium/copper/gallium during the required high-temperature selenization process. In this work, Au NPs encapsulated by a thin protective silicon oxide shell in the chalcopyrite absorber-based solar cells deposited by scalable solution deposition techniques under the 600 °C selenization process are demonstrated. The increased scattering and surface plasmonic resonance induced field generated by the nanoparticles can lead to significant enhancement in light absorption and charge carrier generation across a broad spectral range. Enhanced power conversion efficiency in solution-processed rigid CuIn(S,Se)2 from 1.95 to 2.26% and flexible Cu(In,Ga)Se2 solar cells from 9.28% to 10.88% is achieved after the addition of plasmonic Au-SiO2 core-shell NPs in the absorber layer. This work demonstrates a facile method for chalcopyrite solar cell enhancement, which is compatible with low-cost and high-throughput manufacturing process.

本文言語英語
論文番号1800343
ジャーナルSolar RRL
3
5
DOI
出版ステータス出版済み - 5月 1 2019
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 原子分子物理学および光学
  • エネルギー工学および電力技術
  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学

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