1999
DOI: 10.1351/pac199971112085
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Electroluminescent properties of functional p-electron molecular systems

Abstract: Abstract

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Cited by 17 publications
(18 citation statements)
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“…When the two dopants were co-doped in Alq 3 , the energies transferred from Alq 3 and adjacent C-6 to Rb by Förster energy transfer mechanism are consistent with the dominant emission of Rb in the EL spectra ( Fig. 4(b)) of the mixture [15]. Thus we can conclude that the competition process of energy transfer might have utilized the energy of host more adequately, therefore, the efficiency improved greatly.…”
Section: Resultssupporting
confidence: 66%
“…When the two dopants were co-doped in Alq 3 , the energies transferred from Alq 3 and adjacent C-6 to Rb by Förster energy transfer mechanism are consistent with the dominant emission of Rb in the EL spectra ( Fig. 4(b)) of the mixture [15]. Thus we can conclude that the competition process of energy transfer might have utilized the energy of host more adequately, therefore, the efficiency improved greatly.…”
Section: Resultssupporting
confidence: 66%
“…Furthermore, it can be found from the Table 1 that the performance of DOLED changes with the concentrations of dopant, because the addition of dopants affects the injection balance of charge and the position of the recombination zone in LEDs [14]. Another reason was assumed that the increased amount of dyes in host would lead to self-quenching of the fluorescence [15], consequently decreased the luminescence and efficiency of cells. Our data show that the optimum dopant concentrations in the host (Alq 3 ) are 3% (V=V) and 1% (V=V) using rubrene and coumarin-6 as dopant, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…Drugo objašnjenje za mehanizam gašenja FL je da ekscitoni difunduju kroz film i ako na svom putu naiđu na nečistoću, dolazi do gašenja luminescencije [25][26][27][28]. Dužina difuzije ekscitona lD za amorfni TPD film je oko 5 nm [29], što je približno rastojanju di između molekula nečistoća. Dakle, pri ovoj koncentraciji nečistoća uslov za gašenje luminescencije, naime di < lD, je približno zadovoljen [30].…”
Section: Rezultati I Diskusijaunclassified