Performance improvement of (NH4)2Sx-Treated III-V compounds multijunction solar cell using surface treatment

Li Wen Lai, Jiun Ting Chen, Li Ren Lou, Chih Hung Wu, Ching Ting Lee

Research output: Contribution to journalArticle

18 Citations (Scopus)


To improve the conversion efficiency of tandem-type III-V multijunction solar cells, the (NH4)2Sx -treatment method was used to passivate the surface of the window layer (AlInP) of the cell. The conversion efficiency of the (NH4)2Sx -treated multijunction solar cell was increased more than 4%. Using X-ray photoelectron spectroscopy and current-voltage measurements, the mechanism of the conversion efficiency improvement is attributed to the reduction of the surface states by sulfidation passivation. It is indicated that the (NH4)2Sx treatment is an effective method for improving the performance of III-V compound multijunction solar cells.

Original languageEnglish
Pages (from-to)B1270-B1273
JournalJournal of the Electrochemical Society
Issue number12
Publication statusPublished - 2008 Nov 4

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

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