Influence of donor and acceptor substitu
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J.L. Brรฉdas; A.J. Heeger
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Article
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1994
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Elsevier Science
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English
โ 508 KB
We investigate theoretically the influence of substitution by various donor and acceptor groups onto the phenyl rings and/or the vinylene units of poly(paraphenylene vinylene) and poly(paraphenylene). Using quantum chemical methods, we calculate the magnitudes of the forbidden energy gaps, the ioniz