Determination of vertical phase separation in a polyfluorene copolymer: fullerene derivative solar cell blend by X-ray photoelectron spectroscopy

Marcella Passos Felicissimo*, Dorota Jarzab, Mihaela Gorgoi, Michael Forster, Ullrich Scherf, Markus C. Scharber, Svante Svensson, Petra Rudolf, Maria Antonietta Loi

*Corresponding author for this work

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Abstract

A vertical phase separation is evidenced using high-kinetic-energy X-ray photoelectron spectroscopy at different photon energies in a polyfluorene copolymer:C(60) derivative blend relevant for photovoltaic application.

Original languageEnglish
Pages (from-to)4899-4901
Number of pages3
JournalJournal of Materials Chemistry
Volume19
Issue number28
DOIs
Publication statusPublished - 28-Jul-2009

Keywords

  • MEAN FREE-PATH
  • POLYANILINE SAMPLES
  • POLYMER
  • MORPHOLOGY
  • PERFORMANCE
  • PHOTOEMISSION
  • EFFICIENCY
  • ELECTRONS
  • FILMS

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