Effective oxygen plasma treatment on indium tin oxide electrode to improve organic solar cell efficiency

Fu-Ching Tang, Jay Chang, Wei-Yang Chou, Horng-Long Cheng, Lien-Chung Hsu, Jen-Sue Chen, Hwo Shuenn Sheu

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

In the current study, the effects of oxygen (O 2) plasma treatment on indium tin oxide (ITO) and its correlation to the efficiency of organic solar cells (OSCs) were investigated. The O 2 plasma treatment is able to remove impurities of the ITO surface and increase its surface energy to match the water-based poly (3,4-ethylenedioxythiophene): poly (styrenesulfonate) (PEDOT:PSS) solution. The strong polar interaction from the O 2 plasma-treated ITO surface helps in the conformational change of the PEDOT chain from a benzoid to a quinoid structure, which improves film quality and the efficiency of organic solar cells.

Original languageEnglish
Pages (from-to)369-372
Number of pages4
JournalPhysica Status Solidi (A) Applications and Materials Science
Volume209
Issue number2
DOIs
Publication statusPublished - 2012 Feb 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Electrical and Electronic Engineering
  • Materials Chemistry

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