Sol–gel matrix dispersed liquid crystal composite: Influence of methyltriethoxysilane precursor and solvent concentration

Timusk, Martin; Järvekülg, Martin; Lõhmus, Rünno; Kink, Ilmar; Saal, Kristjan

doi:10.1016/j.mseb.2010.04.002

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Sol-to-gel Transformation-induced Phase Separation1

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2010

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Cited by 8 publications

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“…6). Since the optical performance and driving voltage of electro-optical devices based on GDLC-s are largely dependent on the size and size distribution of liquid crystal droplets [15], then achieving control over the phase separation process upon sol-to-gel transformation is of great importance-optimal balance between the speeds nucleation of new droplets and their growth should be achieved. We have found that the phase separation process can lead to very different results in case of different matrix precursors.…”

Section: Sol-to-gel Transformation-induced Phase Separationmentioning

confidence: 99%

Tailoring Sol-Gel Transition Processes for the Design of Novel Shape Metal Oxide Materials

Järvekülg¹,

Välbe²,

Utt³

et al. 2010

MRS Proc.

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In present paper we describe some unconventional adaptions of sol-gel method. Controlled sol-gel transformation processes of metal alkoxide based systems can lead to various novel shapes of metal alkoxide materials. Formation of different structures like tubular microstructures by gel sheet rolling, nano-and microfibres by direct drawing, as well as microtubes of metal oxides and gel dispersed liquid crystal materials are described. Different aspects of sol-gel processes leading to the formation of all of these structures are thereby discussed.

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Section: Sol-to-gel Transformation-induced Phase Separationmentioning

confidence: 99%