A Wafer‐Level Integrated White‐Light‐Emitting Diode Incorporating Colloidal Quantum Dots as a Nanocomposite Luminescent Material | Zendy

Dang Cuong | Zendy; Lee Joonhee | Zendy; Zhang Yu | Zendy; Han Jung | Zendy; Breen Craig | Zendy; Steckel Jonathan S. | Zendy; CoeSullivan Seth | Zendy; Nurmikko Arto | Zendy

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A Wafer‐Level Integrated White‐Light‐Emitting Diode Incorporating Colloidal Quantum Dots as a Nanocomposite Luminescent Material

Author(s) -

Dang Cuong,

Lee Joonhee,

Zhang Yu,

Han Jung,

Breen Craig,

Steckel Jonathan S.,

CoeSullivan Seth,

Nurmikko Arto

Publication year - 2012

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.201202354

Subject(s) - materials science , nanoporous , nanomaterials , optoelectronics , quantum dot , nanocomposite , wafer , light emitting diode , luminescence , diode , brightness , nanotechnology , optics , physics

High‐brightness, color‐tunable colloidal quantum dots are incorporated in 3D nanoporous GaN to create a nanocomposite material (CQD/NP‐GaN), which is demonstrated to be an effective approach for a wavelength down‐conversion nanomaterial in solid‐state lighting. The white‐light‐emitting diode (LED) made from a blue GaN‐based LED and the CQD/NP‐GaN shows an increase of extraction efficiency by a factor of 2, a controllable white color, and a down‐conversion quantum efficiency as high as 82%.

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