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

Roi Baer*, Eran Rabani

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

81 Scopus citations

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) couplings. The theory builds on a simple effective mass model that is used to relate the FRET rate to measureable quantities such as the nanocrystal size, fundamental gap, effective mass, exciton radius, and optical permittivity. 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 sizes.

Original languageAmerican English
Article number184710
JournalJournal of Chemical Physics
Volume128
Issue number18
DOIs
StatePublished - 2008

Bibliographical note

Funding Information:
We thank Professors Uri Banin, Haim Diamant, Daniel Harries, Abraham Nitzan, and Itamar Willner for useful discussions. This research was supported by the Converging Technologies Program of The Israel Science Foundation (Grant No. 1704/07) and The Israel Science Foundation (Grant No. 962/06).

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