Enhanced charge-carrier injection and collection via lamination of doped polymer layers p-doped with a solution-processible molybdenum complex

An Dai, Yinhua Zhou, Andrew L. Shu, Swagat K. Mohapatra, He Wang, Canek Fuentes-Hernandez, Yadong Zhang, Stephen Barlow, Yueh Lin Loo, Seth R. Marder, Bernard Kippelen, Antoine Kahn

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

Poly(3-hexylthiophene) (P3HT) is p-doped by the new soluble dopant molybdenum tris[1-(methoxycarbonyl)-2-(trifluoromethyl)-ethane-1,2-dithiolene] and investigated via photoemission spectroscopy and transport measurements. Soft-contact transfer lamination of thin layers of the doped P3HT on undoped polymer layers is used to create spatially-confined doped regions, which serve as hole-injection contacts on P3HT diodes. This strategy is then used to create efficient hole-collecting contacts on solution-processed inverted polymer solar cells.

Original languageEnglish (US)
Pages (from-to)2197-2204
Number of pages8
JournalAdvanced Functional Materials
Volume24
Issue number15
DOIs
StatePublished - Apr 16 2014
Externally publishedYes

Keywords

  • doping
  • hole extraction layer
  • lamination
  • molybdenum complex
  • polymers

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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