Unexpected solid-solid intermixing in a bilayer of poly(3-hexylthiophene) and [6,6]-phenyl C61-butyric acidmethyl ester via stamping transfer

Dong Hwan Wang, Dae Geun Choi, Ki Joong Lee, Sang Hyuk Im, O. Ok Park, Jong Hyeok Park

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

The transferred bilayer active layer (P3HT/PCBM) prepared from a stamping transfer technique can be expected to undergo a sharp increase in the concentration profile at the P3HT/PCBM interface. However, the PCBM top layer is unexpectedly well blended with the P3HT bottom layer during the solid film stamping process with the help of the residual solvent. Auger spectroscopy confirmed that the bilayer have almost same composition from the anode side to the cathode side as the bulk-hetero junction film. This unique discovery can be applied in preparing concentration-graded BHJ film from controlling solid-solid intermixing behavior.

Original languageEnglish
Pages (from-to)1376-1380
Number of pages5
JournalOrganic Electronics: physics, materials, applications
Volume11
Issue number8
DOIs
Publication statusPublished - 2010 Aug 1
Externally publishedYes

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stamping
Stamping
esters
Esters
Auger spectroscopy
Anodes
Cathodes
anodes
cathodes
Spectroscopy
profiles
Chemical analysis
poly(3-hexylthiophene)

Keywords

  • Bilayer
  • Concentration gradient
  • Photovoltaic devices
  • Stamping transfer

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

Unexpected solid-solid intermixing in a bilayer of poly(3-hexylthiophene) and [6,6]-phenyl C61-butyric acidmethyl ester via stamping transfer. / Wang, Dong Hwan; Choi, Dae Geun; Lee, Ki Joong; Im, Sang Hyuk; Park, O. Ok; Park, Jong Hyeok.

In: Organic Electronics: physics, materials, applications, Vol. 11, No. 8, 01.08.2010, p. 1376-1380.

Research output: Contribution to journalArticle

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AU - Im, Sang Hyuk

AU - Park, O. Ok

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