Generalized Theory of Förster-Type Nonradiative Energy Transfer in Nanostructures with Mixed Dimensionality

Abstract

Fӧrster-type nonradiative energy transfer (NRET) is widely used, especially utilizing nanostructures in different combinations and configurations. However, the existing well-accepted Fӧrster theory is only for the case of a single particle serving as a donor together with another particle serving as an acceptor. There are also other special cases previously studied; however, there is no complete picture and unified understanding. Therefore, there is a strong need for a complete theory that models Fӧrster-type NRET for the cases of mixed dimensionality including all combinations and configurations. We report a generalized theory for the Fӧrster-type NRET, which includes the derivation of the effective dielectric function due to the donor in different confinement geometries and the derivation of transfer rates distance dependencies due to the acceptor in different confinement geometries, resulting in a complete picture and understanding of the mixed dimensionality.

Ag colloids and arrays for plasmonic non-radiative energy transfer from quantum dots to a quantum well

“…The direct QD to QW ET, in the absence of any metal NPs, is seen to have the characteristic d -4 Förster-like distance dependence to a 2D acceptor. This is a clear demonstration that it is the dimensionality of the acceptor that drives the distance dependence, which has previously been theoretically predicted [58]. Following on from this, the 6 demonstration of surface plasmon-mediated ET from QDs to QWs is presented for AgNPs mixed with the QDs before being spin cast onto the QW.…”

Nonradiative and radiative Förster energy transfer between quantum dots

“…Here, they characterize excitation transfer and not charge transfer. The donor and acceptor systems may be realized as quantum dots, [3][4][5][6] quantum wires, 7 quantum wells 8,9 and colloidal nanoplatelets, 10 , biological molecules, 11,12 defects in semiconductor. 13,14 Typically, the range of the Förster interaction is on the order of several nm.…”

Резонансный Перенос Энергии В Плотном Массиве II-VI Квантовых Точек

“…Область (III) включает QDs, которые не участ-вуют в процессе переноса энергии с использованием обсуждаемого механизма вплоть до появления при более низких энергиях возбужденного уровня (1e−2h), когда становится возможным FRET 2 . Тем не менее, перенос возбуждения с участием фононов [24] между основными состояниями точек разного размера в этой области возможен.…”