2001
DOI: 10.1063/1.1362259
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Organic light-emitting devices with saturated red emission using 6,13-diphenylpentacene

Abstract: Organic electroluminescent devices with saturated red emission were developed using 6,13-diphenylpentacene (DPP) doped into tris(8-hydroxyquinolinato) aluminum III (Alq3). DPP exhibits a narrow emission spectrum giving rise to a saturated red peak, centered around 625 nm, with excellent chromaticity coordinates (x=0.63 and y=0.34) in accordance with the Commission Internationale de l’Eclairage. An absolute photoluminescence (PL) quantum yield (φPL) of ∼30% was measured for a composite film of 0.55 mol % of DPP… Show more

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Cited by 121 publications
(114 citation statements)
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“…The larger tetracene (4) and pentacene (5) are promising organic semiconductors and have been applied as OFETs (7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17) thanks to a low vibrational reorganization energy and therefore a high hole mobility (18). Many of the derivatives of 4 and 5 are good candidates for OLEDs (19)(20)(21)(22). Recently, with a growing interest in solar energy and solar cells, 4 and 5 have also been made into OPV devices (23)(24)(25)(26)(27).…”
mentioning
confidence: 99%
“…The larger tetracene (4) and pentacene (5) are promising organic semiconductors and have been applied as OFETs (7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17) thanks to a low vibrational reorganization energy and therefore a high hole mobility (18). Many of the derivatives of 4 and 5 are good candidates for OLEDs (19)(20)(21)(22). Recently, with a growing interest in solar energy and solar cells, 4 and 5 have also been made into OPV devices (23)(24)(25)(26)(27).…”
mentioning
confidence: 99%
“…[10][11][12] The resulting products are soluble in common organic solvents, such as chloroform, THF and toluene. The structure was identified by 500 MHz NMR, UV-Visible spectroscopy and FAB-Mass analysis.…”
Section: Resultsmentioning
confidence: 99%
“…Such a phenomenon is quite common in red-emitting OLEDs, due to the emissive quenching by charged or triplet species that are electrogenerated in the device. [17][18][19] The red-or NIR-emissive materials usually have a smaller band gap and are more susceptible to attacks by charges than other materials. In comparison, the devices based on chromophores 1 and 3 emitted at the same wavelength of 1050 nm, and had the EQE of 0.08 and 0.12% at a current density of 10 mA cm À2 , which are still higher than those of most reported organic NIR complexes and dyes.…”
Section: à2mentioning
confidence: 99%