Please use this identifier to cite or link to this item: https://idr.l2.nitk.ac.in/jspui/handle/123456789/12708
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dc.contributor.authorChidirala, S.
dc.contributor.authorUlla, H.
dc.contributor.authorValaboju, A.
dc.contributor.authorKiran, M.R.
dc.contributor.authorMohanty, M.E.
dc.contributor.authorSatyanarayan, M.N.
dc.contributor.authorUmesh, G.
dc.contributor.authorBhanuprakash, K.
dc.contributor.authorRao, V.J.
dc.date.accessioned2020-03-31T08:42:01Z-
dc.date.available2020-03-31T08:42:01Z-
dc.date.issued2016
dc.identifier.citationJournal of Organic Chemistry, 2016, Vol.81, 2, pp.603-614en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/12708-
dc.description.abstractThree pyrene-oxadiazole derivatives were synthesized and characterized by optical, electrochemical, thermal, and theoretical investigations to obtain efficient multifunctional organic light emitting diode (OLED) materials. Synthesized molecules were used as emitters and electron transporters in three different device configurations, involving hole-injection/hole-blocking materials that showed good current and power efficiencies. To understand the underlying mechanisms involved in the application of these molecules as emitters and transporters, a detailed photophysical characterization of molecules 4-6 was carried out. The absorption, steady-state fluorescence, phosphorescence, fluorescence lifetime, and phosphorescence lifetime measurements were carried out. The high quantum yield and efficient reverse intersystem crossing leading to delayed fluorescence emission makes the molecule a good emitter, and the charge delocalization properties leading to excimer formation make them efficient electron transporters. Isoenergetic singlet and triplet states of the molecules make the reverse intersystem crossing feasible at room temperature even in the absence of thermal activation. 2015 American Chemical Society.en_US
dc.titlePyrene-Oxadiazoles for Organic Light-Emitting Diodes: Triplet to Singlet Energy Transfer and Role of Hole-Injection/Hole-Blocking Materialsen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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