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Nature of the Primary Photoexcitations in Poly(Arylene-Vinylenes)

Cited 124 time in Web of Science Cited 138 time in Scopus
Authors
Pakbaz, K.; Lee, C. H.; Heege, A. J.; Hagler, T. W.; Mcbranch, D.
Issue Date
1994
Publisher
Elsevier
Citation
Synthetic Metals 64 (1994) 295
Abstract
We present an overview of the optical properties and related experimental results obtained from poly(para-phenylene vinylene), PPV, and its soluble derivatives, and we critically examine the interpretation of these data in the context of both the band model and the exciton model of the electronic structure of these semiconducting and luminescent polymers. Results obtained from highly oriented and structurally ordered PPVs demonstrate that the observed disparities between the physical properties of PPV and the polydiacetylenes (PDAs) are not due to disorder; these differences are intrinsic and arise from the fundamental difference in the nature of the low energy photoexcited states: excitons in the PDAs and free carriers in the PPVs.
ISSN
0379-6779
Language
English
URI
https://hdl.handle.net/10371/13598
DOI
https://doi.org/10.1016/0379-6779(94)90127-9
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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