Skip to main content

Research Repository

Advanced Search

A re-evaluation of the photophysical properties of 1,4-bis(phenylethynyl)benzene: A model for poly(phenyleneethynylene)

Beeby, A.; Findlay, K.; Low, P.J.; Marder, T.B.

Authors

K. Findlay

P.J. Low

T.B. Marder



Abstract

Photophysical measurements, recorded in aerated cyclohexane at 283 K, indicate that 1,4-bis-(phenylethynyl) benzene behaves in a conventional manner, undergoing emission from the lowest vibrational level of the first excited singlet state; there is no evidence for aggregation of this material in cyclohexane solution in the concentration range (1-250) x 10(-6) mol dm(-3). However, in highly viscous, low-temperature glasses, the material does exhibit inhomogeneous fluorescence behavior, and wavelength-dependent excitation and emission spectra, indicative of a slow rate of relaxation of conformers of the excited states compared to the rate of fluorescence.

Citation

Beeby, A., Findlay, K., Low, P., & Marder, T. (2002). A re-evaluation of the photophysical properties of 1,4-bis(phenylethynyl)benzene: A model for poly(phenyleneethynylene). Journal of the American Chemical Society, 124(28), 8280-8284. https://doi.org/10.1021/ja025568h

Journal Article Type Article
Publication Date 2002-07
Deposit Date Apr 12, 2007
Journal Journal of the American Chemical Society
Print ISSN 0002-7863
Electronic ISSN 1520-5126
Publisher American Chemical Society
Peer Reviewed Peer Reviewed
Volume 124
Issue 28
Pages 8280-8284
DOI https://doi.org/10.1021/ja025568h


You might also like



Downloadable Citations