J
Ji-Seon Kim
Researcher at Imperial College London
Publications - 228
Citations - 13566
Ji-Seon Kim is an academic researcher from Imperial College London. The author has contributed to research in topics: Chemistry & Raman spectroscopy. The author has an hindex of 52, co-authored 190 publications receiving 11862 citations. Previous affiliations of Ji-Seon Kim include University of Cambridge & University of Southampton.
Papers
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Journal ArticleDOI
Effect of interchain interactions on the absorption and emission of poly(3-hexylthiophene)
Peter J. Brown,D. Steve Thomas,Anna Köhler,Joanne S. Wilson,Ji-Seon Kim,Catherine Ramsdale,Henning Sirringhaus,Richard H. Friend +7 more
TL;DR: In this article, it was shown that the lowest energy feature in the region of the absorption spectrum is associated with an interchain absorption, the intensity of which is correlated with the degree of order in the polymer.
Journal ArticleDOI
Molecular-scale interface engineering for polymer light-emitting diodes
Peter K. H. Ho,Ji-Seon Kim,J. H. Burroughes,Heinrich Becker,Sam Fong Yau Li,Thomas M. Brown,Franco Cacialli,Richard H. Friend +7 more
TL;DR: It is shown how molecular-scale engineering of these interlayers to form stepped and graded electronic profiles can lead to remarkably efficient single-layer polymer LEDs that exhibit nearly balanced injection, near-perfect recombination, and greatly reduced pre-turn-on leakage currents.
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Indium-tin oxide treatments for single- and double-layer polymeric light-emitting diodes: The relation between the anode physical, chemical, and morphological properties and the device performance
Ji-Seon Kim,Magnus Granström,Richard H. Friend,Nicklas Johansson,William R. Salaneck,Rusli Daik,W. J. Feast,Franco Cacialli +7 more
TL;DR: In this paper, the influence of chemical and physical treatments on the properties of indium-tin oxide (ITO) thin films were combined studies of the effect of these treatments on anodes of polymeric light-emitting diodes.
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Built-in field electroabsorption spectroscopy of polymer light-emitting diodes incorporating a doped poly(3,4-ethylene dioxythiophene) hole injection layer
TL;DR: In this paper, the authors report electroabsorption measurements of polymer light-emitting diodes, (LEDs), fabricated with poly(4-4′-diphenylene dioxythiophene), PDPV, as the emissive layer, Ca-Al cathodes, and indium tin oxide (ITO) anodes, with and without a doped conducting polymer hole injection/transport layer.
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Electroluminescence emission pattern of organic light-emitting diodes: Implications for device efficiency calculations
TL;DR: In this paper, a simple half-space optical model that accounts for optical interference effects of the metal cathode-reflector is developed to extract the location and orientation of the emitting dipoles from these patterns.