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Proceedings Paper

Tunable phenylenevinylene dimer and trimer molecules for light harvesting antennas
Author(s): M. Delower H. Bhuiyan; N. M. Winch; G. J. Smith; R. D. Breukers; S. G. Raymond; A. J. Kay; Trevor A. Smith
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Paper Abstract

Here we report the synthesis and physical characterization of four substituted phenylenevinylene molecules, 1-4, which serve as short chain model oligomers of poly(1,4-phenylenevinylene). Quantum mechanical calculations on alkoxy substituted stilbene derivatives 1 and 2 reveal a direct correlation between the torsional angles and the substituent pattern. HOMO and LUMO energy levels were calculated for all four compounds and showed that the introduction of alkoxy substituents reduce the energy gaps between the ground and first excited singlet states of these molecules. In addition, absorption spectra, fluorescence life-times and quantum yield data of the four compounds are presented.

Paper Details

Date Published: 15 May 2014
PDF: 7 pages
Proc. SPIE 9140, Photonics for Solar Energy Systems V, 914014 (15 May 2014); doi: 10.1117/12.2052016
Show Author Affiliations
M. Delower H. Bhuiyan, Callaghan Innovation (New Zealand)
N. M. Winch, Victoria Univ. of Wellington (New Zealand)
G. J. Smith, Victoria Univ. of Wellington (New Zealand)
R. D. Breukers, Callaghan Innovation (New Zealand)
S. G. Raymond, Callaghan Innovation (New Zealand)
A. J. Kay, Callaghan Innovation (New Zealand)
Trevor A. Smith, The Univ. of Melbourne (Australia)

Published in SPIE Proceedings Vol. 9140:
Photonics for Solar Energy Systems V
Ralf B. Wehrspohn; Andreas Gombert, Editor(s)

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