Optical concentration effects on conversion efficiency of a split-spectrum solar cell system

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Abstract

A detailed analysis is presented to exhibit the possibility of a split-spectrum solar cell system to improve solar energy conversion above 50% and to explain the important role of optical concentration in such a system. The analysis is based on numerical simulation using a solar cell capacitance simulator. In the analysis, it is assumed that an ideal optical system is used to split the solar spectrum and concentrate the radiation into a six-solar-cell system. The parameters of the assumed and used materials are obtained from literature. The analysis shows that an efficiency of 45.39% can be achieved without concentration. This can reach 47.35% with 10 Sun concentration and 49.84% with 100 Sun concentration.

Original languageEnglish
Article number075101
JournalJournal of Physics D: Applied Physics
Volume47
Issue number7
DOIs
Publication statusPublished - 19 Feb 2014

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Keywords

  • optical concentration
  • SCAPS
  • solar cells
  • split-spectrum solar cell system

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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