Journal
NANO LETTERS
Volume 10, Issue 4, Pages 1154-1157Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl903212y
Keywords
Quantum dots; silicon nanocrystals; electroluminescence; hybrid inorganic-organic light-emitting devices
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Funding
- University of Minnesota Center for Nano-structure Applications
- National Science Foundation (NSF) [ECCS-0925624, MRSEC DMR-0212302, DMR-0819885]
- 3M Company through a Non-Tenured Faculty
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0925624] Funding Source: National Science Foundation
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We demonstrate hybrid inorganic-organic light-emitting devices with peak electroluminescence (EL) at a wavelength of 868 nm using silicon nanocrystals (SiNCs). An external quantum efficiency of 0.6% is realized in the forward-emitted direction, with emission originating primarily from the SiNCs. Microscopic characterization indicates chat complete coverage of the SiNCs on the conjugated polymer hole-transporting layer is required to observe efficient EL.
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