Thermoresponsive inorganic/organic hybrids based on conductive TiO2 nanoparticles embedded in poly(styrene-b-ethylene oxide) block copolymer dispersed liquid crystals
✍ Scribed by A. Tercjak; J. Gutierrez; C.J. Ocando; L. Peponi; I. Mondragon
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 868 KB
- Volume
- 57
- Category
- Article
- ISSN
- 1359-6454
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✦ Synopsis
Novel hybrid TiO 2 /(HOBC/PSEO) inorganic/organic materials based on hydrophobic rutile TiO 2 nanoparticles and low-molecularweight 4 0 -(hexyloxy)-4-biphenyl carbonitrile (HOBC) liquid crystals confined on a self-assembled poly(styrene-b-ethylene oxide) (PSEO) block copolymer have been studied. HOBC liquid crystals surrounded TiO 2 particles, forming core-shell structures, resulting in selective location of nanoparticles in the PS-block of the PSEO block copolymer. Moreover, multiphase inorganic/organic materials maintained the electrical properties of the core TiO 2 nanoparticles after encapsulation in the HOBC/PS-block composite matrix. Depending on the composition of TiO 2 /(HOBC/PSEO) inorganic/organic hybrids, TiO 2 nanoparticles showed arrangement of nanodots in one of the selfassembled blocks.