期刊
APPLIED PHYSICS LETTERS
卷 98, 期 16, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3562035
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资金
- ESF
- TUBITAK [EEEAG 110E010, 109E004, 109E002, 107E088]
- Turkish National Academy of Sciences
In this study, we propose and demonstrate efficient electron-hole pair injection from InGaN/GaN multiple quantum well nanopillars (MQW-NPs) to CdSe/ZnS core/shell nanocrystal quantum dots (NQDs) via Forster-type nonradiative energy transfer. For that we hybridize blue-emitting MQW-NPs with red-emitting NQDs and the resultant exciton transfer reaches a maximum rate of (0.192 ns)(-1) and a maximum efficiency of 83.0%. By varying the effective bandgap of core/shell NQDs, we conveniently control and tune the excitonic energy transfer rate for these NQD integrated hybrids, and our measured and computed exciton transfer rates are found to be in good agreement for all hybrid cases. (C) 2011 American Institute of Physics. [doi:10.1063/1.3562035]
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