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A correction was published on 22 September 2014, see Polymers 2014, 6(9), 2433-2434.

Polymers 2014, 6(7), 2037-2050; doi:10.3390/polym6072037
Article

Comparison of in Situ and ex Situ Methods for Synthesis of Two-Photon Polymerization Polymer Nanocomposites

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1 Department of mechanical Engineering, Ruhr-University Bochum, Universitätsstr. 150, 44801 Bochum, Germany 2 Department of Geology, Mineralogy and Geophysics, Ruhr-University Bochum, Universitätsstr. 150, 44801 Bochum, Germany 3 Laser Zentrum Hannover e. V., Hollerithallee 8, 30419 Hannover, Germany
* Author to whom correspondence should be addressed.
Received: 30 April 2014 / Revised: 25 June 2014 / Accepted: 7 July 2014 / Published: 14 July 2014
(This article belongs to the Special Issue Patterning and Photosensitive Polymers)
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Abstract

This article reports about nanocomposites, which refractive index is tuned by adding TiO2 nanoparticles. We compare in situ/ex situ preparation of nanocomposites. Preparation procedure is described, properties of nanocomposites are compared, and especially we examine the applicability of two-photon polymerization (2PP) of synthesized nanocomposites. All prepared samples exhibit suitable optical transparency at specific laser wavelengths. Three-dimensional structures were generated by means of two-photon polymerization effect induced by a femtosecond laser.
Keywords: high refractive index; polymer/TiO2 nanocomposites; two-photon polymerization (2PP); 3-dimensional (3D) structures high refractive index; polymer/TiO2 nanocomposites; two-photon polymerization (2PP); 3-dimensional (3D) structures
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Guo, Q.; Ghadiri, R.; Weigel, T.; Aumann, A.; Gurevich, E.L.; Esen, C.; Medenbach, O.; Cheng, W.; Chichkov, B.; Ostendorf, A. Comparison of in Situ and ex Situ Methods for Synthesis of Two-Photon Polymerization Polymer Nanocomposites. Polymers 2014, 6, 2037-2050.

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