Changing electrical properties of PEDOT:PSS by incorporating with dimethyl sulfoxide

Yow Jon Lin, Jhe You Lee, Shang Min Chen

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The effect of incorporation of dimethyl sulfoxide (DMSO) into poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) on the electrical conductivity is investigated. It is shown that the values of the carrier mobility and the carrier density increase significantly for PEDOT:PSS films with DMSO addition. The high carrier mobility of PEDOT:PSS samples with the addition of DMSO is attributed to a combined effect of the modification of the electron-phonon coupling and a change in the value of the PSS-to-PEDOT ratio. The high carrier density of PEDOT:PSS samples with DMSO addition is attributed to a high affinity of DMSO for water.

Original languageEnglish
Pages (from-to)213-218
Number of pages6
JournalChemical Physics Letters
Volume664
DOIs
Publication statusPublished - 2016 Nov 1

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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