title: Conjugated polymer-porphyrin complexes for organic electronics.
abstract: We present the synthesis of novel conjugated polymer-porphyrin complexes for use in organic electronics. Linear and star-shaped platinated porphyrins were attached to regioregular poly(3-hexylthiophene-2,5-diyl) (P3HT) arms to investigate whether porphyrin stacking and increased dimensionality can be used to control polymer morphology. The novel materials display similar optical properties to P3HT, but give higher mobilities when used in organic field-effect transistors. Atomic force microscopy measurements show that incorporation of only a small amount of porphyrin into the conjugated polymer backbone leads to increased aggregation. These materials demonstrate that polymer morphology and performance can be tuned and enhanced effectively through the use of conjugatively linked porphyrins.
authors.affiliation: Centre for Plastic Electronics, Imperial College London, London SW7 2AZ (UK).
authors.forename: Rolf E
authors.initials: RE
authors.lastname: Andernach
authors.forename: Stephan
authors.initials: S
authors.lastname: Rossbauer
authors.forename: Raja S
authors.initials: RS
authors.lastname: Ashraf
authors.forename: Hendrik
authors.initials: H
authors.lastname: Faber
authors.forename: Thomas D
authors.initials: TD
authors.lastname: Anthopoulos
authors.forename: Iain
authors.initials: I
authors.lastname: McCulloch
authors.forename: Martin
authors.initials: M
authors.lastname: Heeney
authors.forename: Hugo A
authors.initials: HA
authors.lastname: Bronstein
keywords: energy conversion; polymers; porphyrins; semiconductors; solar cells