Low-temperature sol-gel synthesis of nanostructured polymer/titania hybrid films based on custom-made poly(3-alkoxy thiophene)

Martin A. Niedermeier, Monika Rawolle, Philipp Lellig, Volker Körstgens, Eva M. Herzig, Adeline Buffet, Stephan V. Roth, Jochen S. Gutmann, Thomas Fröschl, Nicola Hüsing, Peter Müller-Buschbaum

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

A low-temperature route to directly obtain polymer/titania hybrid films is presented. For this, a custom-made poly(3-alkoxy thiophene) was synthesized and used in a sol-gel process together with an ethylene-glycol-modified titanate (EGMT) as a suitable titania precursor. The poly(3-alkoxy thiophene) was designed to act as the structure-directing agent for titanium dioxide through selective incorporation of the titania precursor. The nanostructured titania network, embedded in the polymer matrix, is examined with atomic force microscopy (AFM) and scanning electron microscopy (SEM) measurements. By means of the scattering technique grazing incidence wide-angle X-ray scattering (GIWAXS), a high degree of crystallinity of the polymer as well as successful transformation of the precursor into the rutile phase of titania is verified. UV/Vis measurements reveal an absorption behavior around 500 nm which is similar to poly(3-hexyl thiophene), a commonly used polymer for photoelectronic applications, and in addition, the typical UV absorption behavior of rutile titania is observed.

Original languageEnglish
Pages (from-to)597-602
Number of pages6
JournalChemPhysChem
Volume14
Issue number3
DOIs
StatePublished - 25 Feb 2013

Keywords

  • hybrid films
  • low temperature
  • polythiophene
  • sol-gel processes
  • titania

Fingerprint

Dive into the research topics of 'Low-temperature sol-gel synthesis of nanostructured polymer/titania hybrid films based on custom-made poly(3-alkoxy thiophene)'. Together they form a unique fingerprint.

Cite this