We develop a novel approach to treat excitation energy transfer in hybrid nanosystems composed by an organic molecule attached to a semiconductor nanoparticle. Our approach extends the customary Förster theory by considering interaction between transition multipole moments of the nanoparticle at all orders and a point-like transition dipole moment representing the molecule. Optical excitations of the nanoparticle are described through an envelope-function configuration interaction method for a single electron-hole pair. We applied the method to the prototypical case of a core/shell CdSe/ZnS semiconductor quantum dot which shows a complete suppression of the energy transfer for specific transitions which could not be captured by Förster theory.

Excitation energy-transfer in functionalized nanoparticles: Going beyond the Förster approach / Gil, G.; Corni, Stefano; Delgado, A.; Bertoni, Andrea; Goldoni, Guido. - In: THE JOURNAL OF CHEMICAL PHYSICS. - ISSN 0021-9606. - STAMPA. - 144:(2016), pp. N/A-N/A. [10.1063/1.4941565]

Excitation energy-transfer in functionalized nanoparticles: Going beyond the Förster approach

CORNI, STEFANO;BERTONI, Andrea;GOLDONI, Guido
2016

Abstract

We develop a novel approach to treat excitation energy transfer in hybrid nanosystems composed by an organic molecule attached to a semiconductor nanoparticle. Our approach extends the customary Förster theory by considering interaction between transition multipole moments of the nanoparticle at all orders and a point-like transition dipole moment representing the molecule. Optical excitations of the nanoparticle are described through an envelope-function configuration interaction method for a single electron-hole pair. We applied the method to the prototypical case of a core/shell CdSe/ZnS semiconductor quantum dot which shows a complete suppression of the energy transfer for specific transitions which could not be captured by Förster theory.
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Excitation energy-transfer in functionalized nanoparticles: Going beyond the Förster approach / Gil, G.; Corni, Stefano; Delgado, A.; Bertoni, Andrea; Goldoni, Guido. - In: THE JOURNAL OF CHEMICAL PHYSICS. - ISSN 0021-9606. - STAMPA. - 144:(2016), pp. N/A-N/A. [10.1063/1.4941565]
Gil, G.; Corni, Stefano; Delgado, A.; Bertoni, Andrea; Goldoni, Guido
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/1111399
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