Transactions of the Materials Research Society of Japan
Online ISSN : 2188-1650
Print ISSN : 1382-3469
ISSN-L : 1382-3469
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Probing of Electric Field Distribution and Carrier Behavior in Double-Layer Organic Light-Emitting Diodes by a Novel Microscopic Electric-Field-Induced Optical Second-Harmonic Generation Measurement system
Atsuo SadakataRyota YanoDai TaguchiTakaaki ManakaMitsumasa Iwamoto
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2014 年 39 巻 4 号 p. 443-446

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To analyze carrier behaviors leading to electroluminescence (EL) of double-layer organic light-emitting diodes (OLEDs), we used a novel microscopic electric-field-induced optical second-harmonic generation measurement system equipped with a radially polarized pulsed laser beam, which can probe two-dimensional electric field distributions in OLEDs. We showed a relationship between EL emission distribution and interfacial accumulated charge distribution.

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© 2014 The Materials Research Society of Japan
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