2000
DOI: 10.1016/s0009-2614(99)01356-1
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Experimental and theoretical investigations of absorption and emission spectra of the light-emitting polymer MEH-PPV in solution

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Cited by 154 publications
(85 citation statements)
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“…In order to evaluate the contribution of the self-absorption and reemission process, we attempted to estimate this contribution throughout Eq. (1) [33,34]:…”
Section: Resultsmentioning
confidence: 99%
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“…In order to evaluate the contribution of the self-absorption and reemission process, we attempted to estimate this contribution throughout Eq. (1) [33,34]:…”
Section: Resultsmentioning
confidence: 99%
“…To get additional insights about the interaction clay/ polymer, we simulated the emission spectrum for both samples using the electron-phonon coupling model [33,34]. According to this model, the vibronic shape of the emission line may be described considering a multivibrational mode in Frank-Condon approximation, Fermi's golden rule scope, and localized molecular exciton theory [33,34].…”
Section: Resultsmentioning
confidence: 99%
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“…Deste modo, pode-se dizer que modos vibracionais de baixa energia contribuem de modo dominante no alargamento homogêneo das linhas de emissão do PPV (desordem dinâmica). Chang co-autores [34] descreve bem o comportamento de S com T.…”
Section: I=i(t) Eo= Eo (T) γ=γ (T) S=s (T) N=n(t)unclassified
“…Assim, o modelo físico de um polímero conjugado desordenado no estado sólido pode ser descrito, em primeira aproximação, por um conjunto de segmentos com diversos tamanhos, orientações e posições distribuídas no material. O comportamento da lacuna de energia em função do comprimento de conjugação pode ser descrito pela seguinte equação, (GIERSCHNER et al, 2002;SRIWICHITKAMOL et al, 2006;CHANG et al, 2000)…”
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