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학술지 Quantum-dot Light-emitting Diodes Utilizing CdSe/ZnS Nanocrystals Embedded in TiO2TiO2 Thin Film
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저자
강승희, Ch. Kiran Kumar, 이종훈, 김경현, 허철, 김의태
발행일
200811
출처
Applied Physics Letters, v.93 no.19, pp.1-3
ISSN
0003-6951
출판사
American Institute of Physics (AIP)
DOI
https://dx.doi.org/10.1063/1.3028070
협약과제
08ZB1400, 유비쿼터스 라이프케어 원천요소기술 개발, 박선희
초록
Quantum-dot (QD) light-emitting diodes (LEDs) are demonstrated on Si wafers by embedding core-shell CdSeZnS nanocrystals in TiO2 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 TiO2/QDsSi system we presented can offer promising Si-based optoelectronic and electronic device applications utilizing numerous nanocrystals synthesized by colloidal solution chemistry. © 2008 American Institute of Physics.
KSP 제안 키워드
Colloidal solution, Current-voltage, Diode current, LED devices, Light-emitting diodes (leds), Metallorganic Chemical Vapor Deposition, N-TiO 2, P-Si, PN diode, Petri net(PN), Plasma-enhanced