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Ko, Hyunhyub
Functional Nanomaterials & Devices Lab
Research Interests
  • Functional nanomaterials, flexible electronics, electronic skins, wearable sensors

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Bioenabled surface-mediated growth of titania nanoparticles

Cited 42 times inthomson ciCited 40 times inthomson ci
Title
Bioenabled surface-mediated growth of titania nanoparticles
Author
Kharlampieva, EugeniaTsukruk, TaisiaSlocik, Joseph M.Ko, HyunhyubPoulsen, NicoleNaik, Rajesh RKroeger, NilsTsukruk, Vladimir V.
Keywords
LAYER-BY-LAYER; THIN-FILMS; MATERIALS CHEMISTRY; CORE-SHELL; TIO2; TEMPERATURE; SILICA; DEPOSITION; MINERALIZATION; NANOSTRUCTURES
Issue Date
2008-09
Publisher
WILEY-V C H VERLAG GMBH
Citation
ADVANCED MATERIALS, v.20, no.17, pp.3274 - 3279
Abstract
A bio-enabled method is presented to prepare a monolayers of titania nanoparticles using polyelectrolyte surface with tethered recombinant silaffin (rSilC). The surface-tethered silaffin molecules can be aggregated to produce TiO2 nanoparticles and to prevent the large-scale aggregation. The study used polyelectrolyte LbL films to control silaffin adsorption and enhance nanoparticles nucleation and growth. The study used LbL films made by polyelectrolytes, poly(allylamine hydrochloride) (PAH), and poly(styrene sulfonate) (PSS). The method successfully produced multilayer films with thickness from 4 to 20 nm. It was observed during the study that the confinement of titania nanoparticles into nanoscale protein surface domains can prevent the formation of larger microscopic aggregates.
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DOI
10.1002/adma.200800054
ISSN
0935-9648
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ECHE_Journal Papers
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