InGaP/GaAs Dual-Junction Solar Cell with AlGaAs/GaAs Tunnel Diode Grown on 10° off Misoriented GaAs Substrate

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概要

• 論文の詳細を見る

• InGaP/GaAs dual-junction solar cells with different tunnel diodes (TDs) grown on misoriented GaAs substrates are investigated. It is demonstrated that the solar cells with P++-AlGaAs/N++-GaAs TDs grown on 10° off GaAs substrates not only show a higher external quantum efficiency (EQE) but also generate a higher peak current density (J_{\text{peak}}) at higher concentration ratios (185\times) than the solar cells with P++-GaAs/N++-InGaP TDs grown on 6° off GaAs substrates. Furthermore, the cell design with P++-AlGaAs/N++-GaAs TDs grown on 10° off GaAs substrates does not generate a disordered InGaP epitaxial layer during material growth, and thus shows superior current--voltage characteristics.

• 2012-08-25

著者

• Chang Edward

  Department Of Communications Engineering Yuan Ze University

• Majlis Burhanuddin

  Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), 43600, Bangi, Selangor, Malaysia

• Chang Edward

  Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 300, Taiwan

• Dee Chang

  Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 300, Taiwan

• Majlis Burhanuddin

  Institute of Micronengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Malaysia

• Yu Hung

  Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 300, Taiwan

• Chung Chen

  Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 300, Taiwan

• Wang Chin

  Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 300, Taiwan

• Nguyen Hong

  Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 300, Taiwan

• Tran Binh

  Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 300, Taiwan

• Lin Kung

  Mechanical and Systems Research Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan

• YU Hung

  Department of Materials Science and Engineering, National Chiao Tung University

• NGUYEN Hong

  Department of Materials Science and Engineering, National Chiao Tung University

• CHUNG Chen

  Department of Materials Science and Engineering, National Chiao Tung University

• Nguyen Hong

  Department of Electrical and Computer Engineering, Yokohama National University

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