Photoenhancement of a Quantum Dot Nanocomposite via UV Annealing and its Application to White LEDs | Zendy

Kim Kyungnam | Zendy; Woo Ju Yeon | Zendy; Jeong Sohee | Zendy; Han ChangSoo | Zendy

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Photoenhancement of a Quantum Dot Nanocomposite via UV Annealing and its Application to White LEDs

Author(s) -

Kim Kyungnam,

Woo Ju Yeon,

Jeong Sohee,

Han ChangSoo

Publication year - 2011

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201002979

Subject(s) - nanocomposite , materials science , quantum dot , nanocrystal , annealing (glass) , photoluminescence , optoelectronics , nanotechnology , polymer , composite material

The irreversible photoenhancement of a quantum dot (QD) nanocomposite is demonstrated using UV photo‐annealing. The QD nanocomposite consists of a mixture of thermally curable polymer and a QD, which is synthesized as a core/multishell nanocrystal, CdSe/CdS/CdZnS/ZnS. Exposure under 365‐nm UV illumination for 30 min at 70 W surprisingly reveals that the photoluminescence of the QD nanocomposite increases 1.8 times.

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