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Excitations in Organic Solids$
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Vladimir Agranovich

Print publication date: 2008

Print ISBN-13: 9780199234417

Published to Oxford Scholarship Online: January 2009

DOI: 10.1093/acprof:oso/9780199234417.001.0001

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Excitons in Organic-Based Nanostructures

Excitons in Organic-Based Nanostructures

Excitations in Organic Solids

Vladimir M. Agranovich

Oxford University Press

This chapter discusses the excitons in organic-based nanostructures. In particular, two-dimensional Frenkel-Wannier-Mott (FWM) excitons in hybrid organic-inorganic nanostructures (quantum wells, quantum wires, quantum dots) are considered. Linear and nonlinear optical response of hybrid FWM excitons is calculated. Based on the fast energy transfer, new concept for light-emitting devices is proposed. Exciton energy transfer from organics to semiconductor nanocrystals and its possible application to carrier multiplication in quantum dots is mentioned. Finally, FWM excitons and polaritons in a hybrid microcavity containing crystalline organic layer and a resonant inorganic QW, are considered. First experiments demonstrating properties of hybrid structures are mentioned.

Keywords:   hybrid organic-based nanostructures, Frenkel-Wannier-Mottexcitons, polaritons, Förster energy transfer, linear optical response, nonlinear optical response, light-emitting device, quantum well, quantum wire, quantum dot

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