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Issue 29, 2018
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Unveiling the composite structures of emissive consolidated p–i–n junction nanocells for white light emission

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Abstract

Hybrid organic-Red-Green-Blue (RGB) color quantum dots were incorporated into consolidated p(polymer)–i(RGB quantum dots)–n(small molecules) junction structures to fabricate a single active layer for a light emitting diode device for white electroluminescence. The semiconductor RGB quantum dots, as an intrinsic material, were electrostatically bonded between functional groups of the p-type polymer organic material core surface and the n-type small molecular organic material shell surface. The ZnCdSe/ZnS and CdSe/ZnS quantum dots distributed uniformly and isotropically surrounding the polymer core which in turn was surrounded by small molecular organic materials. In the present study, we have identified the mechanisms of chemical synthesis and interactions of the p–i–n junction nanocell structure through modeling studies by DFT calculations. We have also investigated optical, structural and electrical properties along with the carrier transport mechanism of the light emitting diodes which have a single active layer of consolidated p–i–n junction nanocells for white electroluminescence.

Graphical abstract: Unveiling the composite structures of emissive consolidated p–i–n junction nanocells for white light emission

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Supplementary files

Article information


Submitted
05 Mar 2018
Accepted
29 May 2018
First published
08 Jun 2018

Nanoscale, 2018,10, 13867-13874
Article type
Communication

Unveiling the composite structures of emissive consolidated p–i–n junction nanocells for white light emission

K. S. Lee, J. Shim, H. Lee, S. Yim, B. Angadi, B. Lim and D. I. Son, Nanoscale, 2018, 10, 13867
DOI: 10.1039/C8NR01842A

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