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Simultaneously Enhancing Color Spatial Uniformity and Operational Stability with Deterministic Quasi-periodic Nanocone Arrays for Tandem Organic Light-Emitting Diodes

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An effi cient tandem organic light-emitting diode is realized by employing a novel light out-coupling structure with deterministic quasi-periodic nanocone arrays. The enhancement of color spatial uniformity and operational stability
is simultaneously realized along with the remarkable effi ciency improvement in tandem devices by integrating multi-photon emission and light out-coupling techniques. The optimized tandem organic light-emitting diode with two emission units exhibits an enhancement factor of 4.99 and 10.49 for device effi ciency and half-decay lifetime, respectively, as compared to the conventional device with a planar single-unit structure. Moreover, it is verifi ed that the emission color with viewing angles was signifi cantly stabilized with no apparent spectral distortion. Theoretical calculations clarify that the improved device performance is primarily attributed to the effective extraction of the waveguide and surface plasmonic modes of the confi ned light over all the emission wavelengths and viewing-angles.

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Ketersediaan

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Informasi Detail

Judul Seri

Adv. Optical Mater.

No. Panggil

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Penerbit

: WILEY-VCH Verlag GmbH & Co. KGaA., 2015

Deskripsi Fisik

Adv. Optical Mater. 2015, 3, 87–94

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

FISIKA

Info Detail Spesifik

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Pernyataan Tanggungjawab

Wati/Agus

Versi lain/terkait

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