Solvent additive to achieve highly ordered nanostructural semicrystalline DPP copolymers: Toward a high charge carrier mobility

  • Tae Kyu An
  • , Il Kang
  • , Hui Jun Yun
  • , Hyojung Cha
  • , Jihun Hwang
  • , Seonuk Park
  • , Jiye Kim
  • , Yu Jin Kim
  • , Dae Sung Chung
  • , Soon Ki Kwon
  • , Yun Hi Kim
  • , Chan Eon Park

Research output: Contribution to journalArticlepeer-review

81 Scopus citations

Abstract

A facile spin-coating method in which a small percentage of the solvent additive, 1-chloronaphthalene (CN), is found to increase the drying time during film deposition, is reported. The field-effect mobility of a PDPPDBTE film cast from a chloroform-CN mixed solution is 0.46 cm2 V-1 s -1. The addition of CN to the chloroform solution facilitates the formation of highly crystalline polymer structures.

Original languageEnglish
Pages (from-to)7003-7009
Number of pages7
JournalAdvanced Materials
Volume25
Issue number48
DOIs
StatePublished - 23 Dec 2013

Keywords

  • additive effects
  • evaporation rates
  • high boiling points
  • organic field-effect transistors
  • spin-coating

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