Theory of resonance energy transfer involving nanocrystals: the role of high multipoles

Abstract

A theory for the fluorescence resonance energy transfer (FRET) between a pair of semiconducting nanocrystal quantum dots is developed. Two types of donor-acceptor couplings for the FRET rate are described: dipole-dipole (d-d) and the dipole-quadrupole (d-q) coupling. The theory builds on a simple effective mass model which is used to relate the FRET rate to measureable quantities such as the nanocrystal size, fundamental gap, effective mass, exciton radius and dielectric constant. We discuss the relative contribution to the FRET rate of the different multipole terms, the role of strong to weak confinement limits, and the effects of nanocrystal siz-es.

arXiv comment12 pages, 7 figures

References in corpus (1)

• Long-range radiative interaction between semiconductor quantum dots

Cited by in corpus (5)

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