Birefringence improvement in azopolymer doped with MFI zeolite nanoparticles

• Authors: Dimana Nazarova , Lian Nedelchev , Svetlana Mintova
• Languages of publication: EN

Abstracts

EN

Hybrid organic/inorganic materials based on combination of polymers and inorganic nanoparticles (NP) attract considerable attention due to their advantageous electrical, optical, or mechanical properties. Recently it was reported that doping photopolymers with nanoparticles allows to achieve near 100% net diffraction efficiency in case of conventional holographic recording. Thus, we have synthesized novel organic/inorganic composite materials by incorporating MFI (Mordenite Framework Inverted) type zeolite nanoparticles in an amorphous side-chain azopolymer. A considerable improvement of the photoresponse in thin films of these composite materials has been observed compared to the non-doped samples - nearly 25% increase of the saturated value of the birefringence.Moreover the photoinduced birefringence is stable in time which allows these materials to be used as media for diffractive optical elements with high efficiency and unique polarization properties.

Keywords

EN

Azobenzene polymer; MFI zeolite nanoparticles; Nanocomposite materials; Photoinduced birefringence; Polarimetric measurement

• Publisher: De Gruyter Open
• Journal: Optofluidics, Microfluidics and Nanofluidics
• Year: 2014
• Volume: 1
• Issue: 1

Dates

published

1 - 1 - 2014

accepted

17 - 9 - 2014

online

19 - 11 - 2014

received

30 - 6 - 2014

Contributors

author

Dimana Nazarova

• Institute of Optical Materials and Technologies, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., bl.109, 1113 Sofia, Bulgaria

author

Lian Nedelchev

• Institute of Optical Materials and Technologies, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., bl.109, 1113 Sofia, Bulgaria and College of Telecommunications and Post, 1 Acad. St. Mladenov Str., 1700 Sofia, Bulgaria

author

Svetlana Mintova

• Laboratoire Catalyse & Spectrochimie, University of Caen, 6, Boulevard du Maréchal Juin, 14050 Caen Cedex, France

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Identifiers

DOI

10.2478/optof-2014-0005