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Title: Improvement of light-extraction efficiency of organic light-emitting diodes using dielectric nanoparticles
Authors: Mann V.
Hooda B.
Rastogi, Vipul K.
Published in: Journal of Nanophotonics
Abstract: Use of dielectric nanoparticles placed at the anode (indium tin oxide) for the improvement of light-extraction efficiency of an organic light-emitting diode (OLED) has been reported. The nanoparticle layer will act as a scattering medium for the light trapped in the waveguiding modes of the device. Mie theory has been applied to study the scattering efficiency of the isolated dielectric nanoparticle. The effect of dielectric nanoparticles on the light-extraction efficiency of OLED has been analyzed by the finite-difference time-domain method. The light-extraction efficiency of the device depends upon the diameter, interparticle separation, and refractive index of dielectric nanoparticles. At optimal nanoparticle parameters, the enhancement factor of 1.7 times is obtained with the proposed design. © 2017 Society of Photo-Optical Instrumentation Engineers (SPIE).
Citation: Journal of Nanophotonics (2017), 11(3): -
Issue Date: 2017
Publisher: SPIE
Keywords: dielectric nanoparticles
finite-difference time-domain
light-extraction efficiency
Mie theory
optical simulation
organic light-emitting diode
ISSN: 19342608
Author Scopus IDs: 56609924400
Author Affiliations: Mann, V., Indian Institute of Technology Roorkee, Department of Physics, Roorkee, Uttarakhand, India
Hooda, B., Central University of Haryana, Department of Physics, Mahendergarh, Haryana, India
Rastogi, V., Indian Institute of Technology Roorkee, Department of Physics, Roorkee, Uttarakhand, India
Funding Details: This work has been partially supported by a research project “Innovative Light Extraction Technology for White OLED” sponsored by the Ministry of Communications and Information Technology [Grant No. 12(2)/2011-PDD], New Delhi, India.
Corresponding Author: Mann, V.; Indian Institute of Technology Roorkee, Department of PhysicsIndia; email:
Appears in Collections:Journal Publications [PH]

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