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Author

Lee, Zonghoon
Atomic-Scale Electron Microscopy (ASEM) Lab
Research Interests
  • Advanced Transmission Electron Microscopy (TEM/STEM), in Situ TEM, graphene, 2D materials, low-dimensional crystals, nanostructured materials

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Quantum-dot light-emitting diodes utilizing CdSe/ZnS nanocrystals embedded in TiO(2) thin film

Cited 18 times inthomson ciCited 13 times inthomson ci
Title
Quantum-dot light-emitting diodes utilizing CdSe/ZnS nanocrystals embedded in TiO(2) thin film
Author
Kang, Seung-HeeKumar, Ch. KiranLee, ZonghoonKim, Kyung-HyunHuh, ChulKim, Eui-Tae
Keywords
cadmium compounds; electroluminescent devices; elemental semiconductors; II-VI semiconductors; light emitting diodes; MOCVD
Issue Date
200811
Publisher
AMER INST PHYSICS
Citation
APPLIED PHYSICS LETTERS, v.93, no.19, pp.1 - 3
Abstract
Quantum-dot (QD) light-emitting diodes (LEDs) are demonstrated on Si wafers by embedding core-shell CdSe/ZnS nanocrystals in TiO(2) thin films via plasma-enhanced metallorganic chemical vapor deposition. The n-TiO(2)/QDs/p-Si LED devices show typical p-n diode current-voltage and efficient electroluminescence characteristics, which are critically affected by the removal of QD surface ligands. The TiO(2)/QDs/Si system we presented can offer promising Si-based optoelectronic and electronic device applications utilizing numerous nanocrystals synthesized by colloidal solution chemistry.
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DOI
http://dx.doi.org/10.1063/1.3028070
ISSN
0003-6951
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MSE_Journal Papers
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