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The Effects of Growth Temperature and Substrate Tilt Angle on GalnP/GaAs Tandem Solar Cells

  • Jun, Dong-Hwan (Dept. Device Development, Korea Advanced Nano Fab Center) ;
  • Kim, Chang-Zoo (Dept. Device Development, Korea Advanced Nano Fab Center) ;
  • Kim, Hog-Young (College of Humanities and Sciences, Hanbat National University) ;
  • Shin, Hyun-Beom (Dept. Device Development, Korea Advanced Nano Fab Center) ;
  • Kang, Ho-Kwan (Dept. Device Development, Korea Advanced Nano Fab Center) ;
  • Park, Won-Kyu (Dept. Device Development, Korea Advanced Nano Fab Center) ;
  • Shin, Ki-Soo (Dept. Device Development, Korea Advanced Nano Fab Center) ;
  • Ko, Chul-Gi (Dept. Device Development, Korea Advanced Nano Fab Center)
  • 발행 : 2009.06.30

초록

The performance of GaInP/GaAs tandem solar cells with AlInP growth temperatures of 680$^{\circ}C$ and 700 $^{\circ}C$ on n-type GaAs (100) substrate with 2$^{\circ}$ and 6$^{\circ}$ tilt angles has been investigated. The series resistance and open circuit voltage of the fabricated tandem solar cells are affected by the substrate tilt angles and the growth temperatures of the window layer when zinc is doped in the tunnel diode. With carbon doping as a p-type doping source in the tunnel diode and the effort of current matching between top and bottom cells, GaInP/GaAs tandem solar cell has been exhibited 25.58% efficiency.

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참고문헌

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피인용 문헌

  1. Single-material zinc sulfide bi-layer antireflection coatings for GaAs solar cells vol.21, pp.S5, 2013, https://doi.org/10.1364/OE.21.00A821