A theoretical investigation of the influence of gold nanosphere size on the decay and energy transfer rates and efficiencies of quantum emitters

The Journal of Chemical Physics
Cristian A MarocicoA Louise Bradley

Abstract

We present in this contribution a comprehensive investigation of the effect of the size of gold nanospheres on the decay and energy transfer rates of quantum systems placed close to these nanospheres. These phenomena have been investigated before, theoretically and experimentally, but no comprehensive study of the influence of the nanoparticle size on important dependences of the decay and energy transfer rates, such as the dependence on the donor-acceptor spectral overlap and the relative positions of the donor, acceptor, and nanoparticle, exists. As such, different accounts of the energy transfer mechanism have been presented in the literature. We perform an investigation of the energy transfer mechanisms between emitters and gold nanospheres and between donor-acceptor pairs in the presence of the gold nanospheres using a Green's tensor formalism, experimentally verified in our lab. We find that the energy transfer rate to small nanospheres is greatly enhanced, leading to a strong quenching of the emission of the emitter. When the nanosphere size is increased, it acts as an antenna, increasing the emission of the emitter. We also investigate the emission wavelength and intrinsic quantum yield dependence of the energy transfer...Continue Reading

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Citations

Apr 17, 2016·The Journal of Chemical Physics·Maxim Sukharev, Abraham Nitzan
May 4, 2017·The Journal of Physical Chemistry Letters·Liang-Yan HsuGeorge C Schatz
Aug 15, 2017·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Maxim Sukharev, Abraham Nitzan
Apr 15, 2018·Nature Communications·Maximilian J UrbanNa Liu
Nov 30, 2018·The Journal of Physical Chemistry Letters·Jhih-Sheng WuLiang-Yan Hsu
Jul 3, 2019·Journal of the American Chemical Society·Mingrui YangMikhail Zamkov
Aug 14, 2020·The Journal of Physical Chemistry Letters·Ming-Wei Lee, Liang-Yan Hsu

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