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One step route to the fabrication of arrays of TiO2 nanobowls via a complementary block copolymer templating and sol-gel process

Title
One step route to the fabrication of arrays of TiO2 nanobowls via a complementary block copolymer templating and sol-gel process
Authors
Li, XuePeng, JuanKang, Joo-HeeChoy, Jin-HoSteinhart, MartinKnoll, WolfgangKim, Dong Ha
Ewha Authors
최진호김동하
SCOPUS Author ID
최진호scopus; 김동하scopus
Issue Date
2008
Journal Title
SOFT MATTER
ISSN
1744-683XJCR Link
Citation
vol. 4, no. 3, pp. 515 - 521
Publisher
ROYAL SOC CHEMISTRY
Indexed
SCI; SCIE; SCOPUS WOS
Abstract
Highly dense, ordered arrays of a titania (TiO2) nanomaterial with a bowl-shape morphology are generated by using poly(styrene-block-ethylene oxide) (PS-b-PEO) block copolymers as templates combined with a sol-gel process. Porous organic-inorganic hybrid films with titania nanodomains incorporated in the PEO domains can be produced by one step spin-coating. By manipulating the relative composition of the precursor ingredients, a simple protocol to fabricate hexagonally packed arrays of nanobowls is defined. Addition of a second inorganic precursor into the common solution leads to arrays of composite Au-TiO2 nanobowls. Such organic-inorganic hybrids and pure titania nanostructures with controlled shape and size exhibit unique photophysical properties.
DOI
10.1039/b712125c
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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