Mechanisms of (NH 4) 2S x-treated III-V compound triple-junction solar cells incorporating with hybrid electrode

Chun Yen Tseng, Ching Ting Lee

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15 Citations (Scopus)

Abstract

A hybrid electrode composed of the metal contact pads and the transparent indium-tin-oxide film was incorporated with the (NH 4) 2S x-treated InGaP/InGaAs/Ge triple-junction solar cells. The hybrid electrode structure was used to reduce the metal shadow area. The passivation function enabled by the (NH 4) 2S x surface treatment was used to enhance the photoluminescence intensity and carrier lifetime of the (NH 4) 2S x-treated n-type AlInP window layer. The conversion efficiency of (NH 4) 2S x-treated solar cells with the hybrid electrode structure was improved up to 35.73 due to an increase in the absorption of the incident light along with the surface passivation.

Original languageEnglish
Article number033902
JournalApplied Physics Letters
Volume101
Issue number3
DOIs
Publication statusPublished - 2012 Jul 16

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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