Förster-type energy transfer mechanism in PF2/6 to MEH-PPV conjugated polymers

B. A. Al-Asbahi, M. S. Alsalhi, A. S. Al-Dwayyan, Mohammad Hafizuddin Jumali

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Energy transfer mechanism between Poly[9,9-di-(2′-ethylhexyl) fluorenyl-2,7-diyl] (PF2/6) as a donor and poly[2-methoxy-5-(2- ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) as an acceptor in different solvents has been studied using steady-state emission measurements. Four different solvents namely, tetrahydrofuran (THF), toluene, chlorobenzene (C.B) and benzene have been used in this study. The absorption and luminescence behaviors of the samples are measured at a fixed concentration of donor (0.1 μM) while the concentrations for acceptor are kept in the range of 0.11.0 μM. Based on these measurements, the energy transfer properties namely quenching rate constant (kSV), energy transfer rate constant (k ET), energy transfer probability (PDA), transfer efficiency (η) and critical distance of energy transfer (Ro) are calculated. The use of THF resulted in the highest energy transfer. Long range dipoledipole interaction between the excited donor and ground state acceptor molecules is the dominant mechanism responsible for the energy transfer as proven by the large values of Ro.

Original languageEnglish
Pages (from-to)386-390
Number of pages5
JournalJournal of Luminescence
Volume132
Issue number2
DOIs
Publication statusPublished - Feb 2012

Fingerprint

Energy Transfer
Conjugated polymers
Energy transfer
Polymers
energy transfer
polymers
tetrahydrofuran
Rate constants
chlorobenzenes
Personal digital assistants
Toluene
Luminescence
poly(2-methoxy-5-(2'-ethylhexyloxy)-p-phenylenevinylene)
Benzene
Ground state
toluene
Quenching
quenching
benzene
luminescence

Keywords

  • Dipoledipole interaction
  • Energy transfer properties
  • Poly [9,9-di-(2′-ethylhexyl)fluorenyl-2,7- diyl](PF)
  • Poly[2-methoxy-5-(2-ethylhexyloxy)-1,4- phenylenevinylene](MEH-PPV)

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Chemistry(all)
  • Biochemistry
  • Biophysics

Cite this

Förster-type energy transfer mechanism in PF2/6 to MEH-PPV conjugated polymers. / Al-Asbahi, B. A.; Alsalhi, M. S.; Al-Dwayyan, A. S.; Jumali, Mohammad Hafizuddin.

In: Journal of Luminescence, Vol. 132, No. 2, 02.2012, p. 386-390.

Research output: Contribution to journalArticle

Al-Asbahi, B. A. ; Alsalhi, M. S. ; Al-Dwayyan, A. S. ; Jumali, Mohammad Hafizuddin. / Förster-type energy transfer mechanism in PF2/6 to MEH-PPV conjugated polymers. In: Journal of Luminescence. 2012 ; Vol. 132, No. 2. pp. 386-390.
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