Issue 19, 2010
From the journal:

Journal of Materials Chemistry

Non-linear optical effects (SRS) in nanostructured polyaniline LED†

Jerzy J. Langer,*a   Bartosz Miładowski,a   Sebastian Golczak,a   Krzysztof Langer,a   Piotr Stefaniak,a   Anna Adamczak,a   Magdalena Andrzejewska,a   Lucyna Sójkaa  and  Magdalena Kalisza  

* Corresponding authors

a A. Mickiewicz University in Poznań, Faculty of Chemistry, Laboratory for Materials Physicochemistry and Nanotechnology, Grunwaldzka 10, Srem, Poland

Abstract

Non-linear optical effects (the stimulated anti-Stokes Raman scattering, SRS) have been observed in a nano-structured polyaniline LED. The mechanism of the anomalous enhancement is based on changes of the Raman cross section due to the resonant interaction involving stretching vibrations of triple bonds – diacetylene units, formed under strong excitation conditions in degradated polyaniline molecules, which are highly efficient in normal Raman scattering and SRS active. This is the first observation of SRS in a conducting polymer LED.

Graphical abstract: Non-linear optical effects (SRS) in nanostructured polyaniline LED

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Article information

DOI
https://doi.org/10.1039/B926729H
Article type
Paper
Submitted
21 Dec 2009
Accepted
15 Feb 2010
First published
17 Mar 2010

J. Mater. Chem., 2010,20, 3859-3862

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Non-linear optical effects (SRS) in nanostructured polyaniline LED

J. J. Langer, B. Miładowski, S. Golczak, K. Langer, P. Stefaniak, A. Adamczak, M. Andrzejewska, L. Sójka and M. Kalisz, J. Mater. Chem., 2010, 20, 3859 DOI: 10.1039/B926729H

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