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Preparation of nano-raspberry particles using chemically adsorbed monolayers

Published online by Cambridge University Press:  04 March 2020

Teruyoshi Sasaki Open the ORCID record for Teruyoshi Sasaki [Opens in a new window] ,
Kazufumi Ogawa  and
Yoshifumi Suzaki
Teruyoshi Sasaki*
Affiliation:
Graduate School of Engineering, Kagawa University, Takamatsu, Kagawa 761-0396, Japan
Kazufumi Ogawa
Affiliation:
Faculty of Engineering and Design, Kagawa University, Takamatsu, Kagawa 761-0396, Japan
Yoshifumi Suzaki
Affiliation:
Faculty of Engineering and Design, Kagawa University, Takamatsu, Kagawa 761-0396, Japan
*
*(Email: [email protected])
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Abstract

Nanoparticles are often used for both metals and non-metals, in cosmetics, home appliances, electrical products, as well as paints and inks. Nanoparticles are commonly produced by the vapor phase method or the liquid phase method. However, it is still difficult to produce nanoparticles with complicated shapes, such as raspberry-shaped particles. In this study, we demonstrated that nano-raspberry particles can be made by coating the surface of the small- and the large-sized silica nanoparticle with a reactive, chemically adsorbed, monomolecular film and then by bonding the smaller nanoparticles to the surface of the larger nanoparticle. Furthermore, by preparing a fractal surface structure on a flat substrate surface, a super-water and oil repellent surface, which can potentially improve the application performance, was successfully produced.

Keywords

nanostructureparticulatesol-gelthin film
Type
Articles
Information
MRS Advances , Volume 5 , Issue 40-41: Nanoscale and Quantum Materials , 2020 , pp. 2067 - 2074
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Copyright
Copyright © Materials Research Society 2020

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