Faraday rotation measurements on thin films of regioregular alkyl-substituted polythiophene derivatives

Palash Gangopadhyay, Ramakrishna Voorakaranam, Alejandra Lopez-Santiago, Stijn Foerier, Jayan Thomas, Robert A Norwood, Andre Persoons, Nasser N Peyghambarian

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

The authors describe a magneto-optic measurement system for the determination of Faraday rotation from ultrathin films relative to a substrate reference. The setup is intrinsically immune to reciprocal effects such as circular birefringence and thermal fluctuations. Faraday rotation measurements on thin films of 3-hexyl and 3-dodecyl derivatives of regioregular polythiophene are reported. The authors show that the Faraday rotation from these films is largely dependent on the supramolecular organization within the the films of these polymers.

Original languageEnglish (US)
Pages (from-to)8032-8037
Number of pages6
JournalJournal of Physical Chemistry C
Volume112
Issue number21
DOIs
StatePublished - May 29 2008

Fingerprint

Faraday effect
Derivatives
Thin films
Polymers
thin films
Magnetooptical effects
Ultrathin films
magneto-optics
Birefringence
birefringence
polymers
Substrates
polythiophene

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

Cite this

Faraday rotation measurements on thin films of regioregular alkyl-substituted polythiophene derivatives. / Gangopadhyay, Palash; Voorakaranam, Ramakrishna; Lopez-Santiago, Alejandra; Foerier, Stijn; Thomas, Jayan; Norwood, Robert A; Persoons, Andre; Peyghambarian, Nasser N.

In: Journal of Physical Chemistry C, Vol. 112, No. 21, 29.05.2008, p. 8032-8037.

Research output: Contribution to journalArticle

Gangopadhyay, Palash ; Voorakaranam, Ramakrishna ; Lopez-Santiago, Alejandra ; Foerier, Stijn ; Thomas, Jayan ; Norwood, Robert A ; Persoons, Andre ; Peyghambarian, Nasser N. / Faraday rotation measurements on thin films of regioregular alkyl-substituted polythiophene derivatives. In: Journal of Physical Chemistry C. 2008 ; Vol. 112, No. 21. pp. 8032-8037.
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