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Journal of Materials Science
Erschienen in: Journal of Materials Science 5/2019

19.11.2018 | Electronic materials

Novel blue-light-emitting diodes based on nanostructured ZnSe/ZnS multilayer films

verfasst von: Kai Ou, Shenwei Wang, Xiqing Zhang, Lixin Yi

Erschienen in: Journal of Materials Science | Ausgabe 5/2019

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Abstract

In this work, we demonstrated a organic/inorganic hybrid blue-light-emitting diodes (LEDs) device, where nanostructured ZnSe/ZnS multilayer films were used as light-emitting layer and poly(3,4-ethylene-dioxythiophene)–poly(styrene-sulfonate) acted as hole injection layer. Both intense blue photoluminescence and electroluminescence emission of this device were observed. The turn-on voltage of the blue LEDs was about 14 V with the forward voltage. The current density reached around 2000 mA/cm2 when the forward voltage was 21 V. In addition, the electroluminescence mechanism of this structure was analyzed in detail. These results offered a new idea in the field of blue LEDs. Meanwhile, blue LEDs with perfect performance are good for the realization of full-color displays and white LEDs.
Vorheriger Artikel Bandgap properties of a piezoelectric phononic crystal nanobeam based on nonlocal theory
Nächster Artikel Design and energy transfer mechanism for single-phased Gd2MgTiO6: Bi3+, Eu3+ tunable white light-emitting phosphors

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Metadaten
Titel
Novel blue-light-emitting diodes based on nanostructured ZnSe/ZnS multilayer films
verfasst von
Kai Ou
Shenwei Wang
Xiqing Zhang
Lixin Yi
Publikationsdatum
19.11.2018
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 5/2019
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-018-3132-4

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