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Kim, Jin Young
Next Generation Energy Laboratory
Research Interests
  • Polymer solar cells, QD solar cells, organic-inorganic hybrid solar cells, perovskite solar cells, OLEDs, PeLEDs, organic FETs

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Highly Efficient Red-Emitting Hybrid Polymer Light-Emitting Diodes via Forster Resonance Energy Transfer Based on Homogeneous Polymer Blends with the Same Polyfluorene Backbone

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dc.contributor.author Lee, Bo Ram ko
dc.contributor.author Lee, Wonho ko
dc.contributor.author Thanh Luan Nguyen ko
dc.contributor.author Park, Ji Sun ko
dc.contributor.author Kim, Ji-Seon ko
dc.contributor.author Kim, Jin Young ko
dc.contributor.author Woo, Han Young ko
dc.contributor.author Song, Myoung Hoon ko
dc.date.available 2014-04-14T00:27:51Z -
dc.date.created 2013-08-27 ko
dc.date.issued 2013-06 -
dc.identifier.citation ACS APPLIED MATERIALS & INTERFACES, v.5, no.12, pp.5690 - 5695 ko
dc.identifier.issn 1944-8244 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/4263 -
dc.identifier.uri https://pubs.acs.org/doi/10.1021/am401090m ko
dc.description.abstract Highly efficient inverted-type red-emitting hybrid polymeric light-emitting diodes (HyPLEDs) were successfully demonstrated via Förster resonance energy transfer (FRET) and interfacial engineering of metal oxide with a cationic conjugated polyelectrolyte (CPE). Similarly structured green- and red-emissive polyfluorene copolymers, F8BT and F8TBT, were homogeneously blended as a FRET donor (host) and acceptor (dopant). A cationic polyfluorene-based CPE was also used as an interfacial layer for optimizing the charge injection/transport and improving the contact problem between the hydrophilic ZnO and hydrophobic polymer layer. A long Förster radius (R0 = 5.32 nm) and high FRET efficiency (∼80%) was calculated due to the almost-perfect spectral overlap between the emission of F8BT and the absorption of F8TBT. A HyPLED containing 2 wt % F8TBT showed a pure red emission (λmax = 640 nm) with a CIE coordinate of (0.62, 0.38), a maximum luminance of 26 400 cd/m2 (at 12.8 V), a luminous efficiency of 7.14 cd/A (at 12.8 V), and a power efficiency of 1.75 lm/W (at 12.8 V). Our FRET-based HyPLED realized the one of the highest luminous efficiency values for pure red-emitting fluorescent polymeric light-emitting diodes reported so far. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher AMER CHEMICAL SOC ko
dc.subject Conjugated polyelectrolytes ko
dc.subject F8BT ko
dc.subject F8TBT ko
dc.subject Hybrid polymers ko
dc.subject Polyfluorene copolymer ko
dc.subject Polymeric light-emitting diodes ko
dc.subject Red emissions ko
dc.subject Resonance energy transfer ko
dc.title Highly Efficient Red-Emitting Hybrid Polymer Light-Emitting Diodes via Forster Resonance Energy Transfer Based on Homogeneous Polymer Blends with the Same Polyfluorene Backbone ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84879527108 ko
dc.identifier.wosid 000321237000039 ko
dc.type.rims ART ko
dc.description.wostc 6 *
dc.description.scopustc 2 *
dc.date.tcdate 2015-02-28 *
dc.date.scptcdate 2014-08-22 *
dc.identifier.doi 10.1021/am401090m ko
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