Hybrid inorganic/organic semiconductor heterostructures with efficient non-radiative energy transfer

George Heliotis, Grigorios Itskos, Ray Murray, Martin D. Dawson, Ian M. Watson, Donal D.C. Bradley

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119 Scopus citations

Abstract

A hybrid inorganic/organic semiconductor structure employing a polyfluorene thin films with Efficient non-radiative Förster resonant energy transfer (FRET) was fabricated. FRET is mediated by dipole-dipole interactions, the magnitude of which critically depend on the spectral overlap between donor emission and acceptor absorption. It was observed that by adjusting the separation between the inorganic and organic layers, the strength of the FRET can be determined. An intensity enhancement of at least 20 times over the case of purely radiative transfer was achieved for a structure that promotes strong Förster transfer.
Original languageEnglish (US)
JournalAdvanced Materials
Volume18
Issue number3
DOIs
StatePublished - Feb 3 2006
Externally publishedYes

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