Efficient energy transfer from InGaN quantum wells to Ag nanoparticles.

Physical chemistry chemical physics : PCCP (2013-02-06)
G W Shu, C H Chiu, L T Huang, T N Lin, C C Yang, J S Wang, C T Yuan, J L Shen, H C Kuo, C A J Lin, W H Chang, H H Wang, H I Yeh, W H Chan, W C Fan, W C Chou
RESUMO

Nonradiative energy transfer from an InGaN quantum well to Ag nanoparticles is unambiguously demonstrated by the time-resolved photoluminescence. The distance dependence of the energy transfer rate is found to be proportional to 1/d(3), in good agreement with the prediction of the dipole interaction calculated from the Joule losses in acceptors. The maximum energy-transfer efficiency of this energy transfer system can be as high as 83%.

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