We present an alternative approach to tune the third-order nonlinear optical properties of organic molecules by inserting a functional group into the path of the p-electron conjugation instead of at its ends.We show that this scheme has a beneficial influence on the second-order hyperpolarizability for short molecules, but that in two instances where such molecules were polymerized into longer molecules the overall hyperpolarizability is reduced.

Third-order nonlinear optical properties of in-backbone substituted conjugated polymers

S. CONCILIO;
2002-01-01

Abstract

We present an alternative approach to tune the third-order nonlinear optical properties of organic molecules by inserting a functional group into the path of the p-electron conjugation instead of at its ends.We show that this scheme has a beneficial influence on the second-order hyperpolarizability for short molecules, but that in two instances where such molecules were polymerized into longer molecules the overall hyperpolarizability is reduced.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/1129045
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