We discuss cooperative and collective behavior resulting from classical electrostatic intermolecular interactions in molecular materials with negligible intermolecular overlap. With reference to materials based on push-pull chromophores, we discuss the merits of several approximation schemes for the calculation of linear and non-linear optical susceptibilities. Collective and cooperative behavior is recognized in important deviations of the material properties from the oriented gas approximation scheme, and/or from the exciton model. Extreme collective and cooperative behavior in attractive clusters is discussed, where bistable behavior and the phenomenon of multielectron-transfer appear.

Collective and cooperative phenomena in molecular functional materials / Painelli, Anna; Terenziani, Francesca. - 1:(2006), pp. 251-282. [10.1007/1-4020-4850-5_7]

Collective and cooperative phenomena in molecular functional materials

PAINELLI, Anna;TERENZIANI, Francesca
2006-01-01

Abstract

We discuss cooperative and collective behavior resulting from classical electrostatic intermolecular interactions in molecular materials with negligible intermolecular overlap. With reference to materials based on push-pull chromophores, we discuss the merits of several approximation schemes for the calculation of linear and non-linear optical susceptibilities. Collective and cooperative behavior is recognized in important deviations of the material properties from the oriented gas approximation scheme, and/or from the exciton model. Extreme collective and cooperative behavior in attractive clusters is discussed, where bistable behavior and the phenomenon of multielectron-transfer appear.
2006
9781402048494
Collective and cooperative phenomena in molecular functional materials / Painelli, Anna; Terenziani, Francesca. - 1:(2006), pp. 251-282. [10.1007/1-4020-4850-5_7]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11381/2295295
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