Nanostructured self-organized supramolecular Si-containing polymeric composites for photorefraction in the near infrared

Alexander S. Kuzhelev; Alexander E. Dudelzak; Michael Maszkiewicz; William E. Douglas; Wenqing Peng; Larisa G. Klapshina; Vladimir V. Semenov

doi:10.1117/12.505848

8 December 2003 Nanostructured self-organized supramolecular Si-containing polymeric composites for photorefraction in near infrared

Alexander S. Kuzhelev, Alexander E. Dudelzak, Michael Maszkiewicz, William E. Douglas, Wenqing Peng, Larisa G. Klapshina, Vladimir V. Semenov

Author Affiliations +

Proceedings Volume 5216, Organic Holographic Materials and Applications; (2003) https://doi.org/10.1117/12.505848
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

The paper presents the results of a study of the spatial structure of Si-containing [poly(ethynediyl-arylene-ethynediyl-silylene)] composites in the nanometer scale, as well as of an optical study of photorefractive effects in the visible and near-infrared ranges in these composites. The compositions have been examined using transmission/diffraction electron microscopy. The results suggest the existence of an extraordinary self-organisation in conjugated silicon organometallic polymers (nano-structured layers with a spatial period of several nanometers and the length of more than 100 nm). The most probable mechanism of the structure formation is π-stacking of the aromatic groups with the poly(phenylsilsesquioxane) matrix as a template. The observed self-organisation is very important for the understanding of the infrared photorefractive effect in the organometallic polymer compositions. Two-wave mixings in the Raman-Nath and Bragg modes were used to study non-linear optical properties in the visible (632 nm) and near-infrared (1500 nm) spectral ranges. Both local and non-local types of refractive index gratings have been observed.

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Alexander S. Kuzhelev, Alexander E. Dudelzak, Michael Maszkiewicz, William E. Douglas, Wenqing Peng, Larisa G. Klapshina, and Vladimir V. Semenov "Nanostructured self-organized supramolecular Si-containing polymeric composites for photorefraction in near infrared", Proc. SPIE 5216, Organic Holographic Materials and Applications, (8 December 2003); https://doi.org/10.1117/12.505848

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