Publikation: Highly birefringent colloidal particles for tracer studies
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We report on the preparation and characterization of highly birefringent, monodisperse colloidal particles with sizes between 100 nm and some micrometresmade by emulsification of a reactive acrylatemonomer in aqueous solution. Photopolymerizationof the emulsion droplets in the liquid crystalline state results in particles with frozen orientational order. Particles that had not been polymerized have a higher effective birefringence than the polymerized particles at room temperature, as shown by measurements of the depolarized scattering intensity using quasi-elastic light scattering (QELS).We also present preliminary results showing that larger particles can be made to rotate with optical tweezers with circular polarization.
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SANDOMIRSKI, Kirill, S. MARTIN, Georg MARET, Holger STARK, Thomas GISLER, 2004. Highly birefringent colloidal particles for tracer studies. In: Journal of Physics / Condensed Matter. 2004, 16, pp. 4137-4144. Available under: doi: 10.1088/0953-8984/16/38/027BibTex
@article{Sandomirski2004Highl-4727, year={2004}, doi={10.1088/0953-8984/16/38/027}, title={Highly birefringent colloidal particles for tracer studies}, volume={16}, journal={Journal of Physics / Condensed Matter}, pages={4137--4144}, author={Sandomirski, Kirill and Martin, S. and Maret, Georg and Stark, Holger and Gisler, Thomas} }
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