Efficiency Enhancement in InGaN Photovoltaic Cells with Inverted Textured Surface

Ming Hsien Wu, Ray-Hua Horng, Wen Yih Liao, Sheng Po Chang*, Shoou Jinn Chang

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We report on the improvement of conversion efficiency of InGaN photovoltaic (PV) cells with inverted textured surface (ITS). InGaN PV cells with ITS showed short-circuit current density and conversion efficiency of 0.63 mA/cm2 and 1.01%, which are 68.17% and 73.33% higher than the characteristics of conventional InGaN PV cells, respectively. The improvement can be attributed to the reduction of both the shading effect of the electrode contact pad and surface reflection of the incident irradiation under one-sun air-mass 1.5-G illumination (100 mW/cm2).

Original languageEnglish
Article number7968376
Pages (from-to)1304-1307
Number of pages4
JournalIEEE Photonics Technology Letters
Volume29
Issue number16
DOIs
StatePublished - 15 Aug 2017

Keywords

  • InGaN
  • inverted texture surface (ITS)
  • photovoltaic cells (PV)

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