Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.1801680
Title: Highly-efficient broadband waveguide outcoupling in light-emitting diodes with self-organized polymer blends
Authors: Corcoran, N.
Ho, P.K.H. 
Arias, A.C.
Mackenzie, J.D.
Friend, R.H.
Fichet, G.
Huck, W.T.S.
Issue Date: 4-Oct-2004
Source: Corcoran, N., Ho, P.K.H., Arias, A.C., Mackenzie, J.D., Friend, R.H., Fichet, G., Huck, W.T.S. (2004-10-04). Highly-efficient broadband waveguide outcoupling in light-emitting diodes with self-organized polymer blends. Applied Physics Letters 85 (14) : 2965-2967. ScholarBank@NUS Repository. https://doi.org/10.1063/1.1801680
Abstract: Self-organized, two-dimensional micron-scale photonic structures fabricated within the emissive layer of polymer blend light-emitting diodes (LED) were discussed. The relief-and-phase grating was shown to be achieved by phase separation of two semiconducting polymers directed by a surface chemical pattern. It was observed that by introducing the appropriate texture into polymer blend thin films using a surface-directed self-organization, the quantum and power efficiencies of polymer light-emitting diode (LED) is doubled. It was found that the increased efficiency is due to harvesting of the waveguide photons.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/107065
ISSN: 00036951
DOI: 10.1063/1.1801680
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