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Large Area Polymer Composite Films Embedded with Colloidal Quantum Dots for Efficient White Light Generation
- Authors
- Bae, Kang-Bin; Lee, Won-Wook; Song, Hyeon-Yong; Yun, Jin-Hyeon; Polyakov, Alexander Y.; Lee, In-Hwan
- Issue Date
- 23-5월-2018
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- color conversion; composites; energy transfer; photoluminescence; polymer; quantum dots
- Citation
- PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, v.215, no.10
- Indexed
- SCIE
SCOPUS
- Volume
- 215
- Number
- 10
- ISSN
- 1862-6300
- Abstract
- A large-area (30x30cm(2)) polymer film, embedded with green- and red-emitting colloidal semiconductor quantum dots (QDs) to generate white light excited by blue light emitting diodes (LEDs), is fabricated. To prevent reabsorption and nonradiative energy transfer between QDs causing a significant redshift of the desired final color, the polymer film structure comprised of separated green and red emitting composite layers is explored. As a result, high-quality white light generation is demonstrated by placing these composite films on a blue LED platform.
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