Facile ambient temperature synthesis and characterization of a stable nano-sized hollow silica particles using soluble-poly(methacrylic acid) sodium salt templating

A simplified synthesis of nano-sized hollow silicate particles (NHSPs) 80–200nm in average diameter via a soft template approach using alternative soluble-poly(methacrylic acid) sodium salt (NaPMA) is presented here. The nano-surface shell wall approximately 30-nm wall thickness is tuned using basic...

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Bibliographic Details
Published in:Materials letters 2014-07, Vol.126, p.92-96
Main Authors: Rivera Virtudazo, Raymond V., Wu, Rudder T., Zhao, Shanyu, Koebel, Matthias M.
Format: Article
Language:English
Subjects:
Ambient temperature
Amorphous materials
Nanoparticles
Nanostructure
Porous materials
Powder process
Shells
Silicates
Sodium salts
Spectra
Synthesis
Walls
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Summary:A simplified synthesis of nano-sized hollow silicate particles (NHSPs) 80–200nm in average diameter via a soft template approach using alternative soluble-poly(methacrylic acid) sodium salt (NaPMA) is presented here. The nano-surface shell wall approximately 30-nm wall thickness is tuned using basic colloidal chemistry to control stability of the NHSPs. For the first time, the steadiness in sectioning the surface shell wall of NHSPs using a scanning/transmission-helium ion beam microscope (S/THIM) was demonstrated. This simplified that soft-template approach is simple, easily scalable and carried out at ambient temperature. When deposited as a thin (nanolayer) film, NHSPs show anti-reflection properties in the visible spectra range. •Modified approach was developed using water based-polymer for synthesis of hollow silicate nanoparticles.•Synthesized hollow silicate nanoparticles show stable, scalable and good surface area.•For the first time, the steadiness in sectioning the surface shell wall of NHSPs using a scanning/transmission-helium ion beam microscope (S/THIM) was demonstrated.•When deposited as a thin (nanolayer) film, hollow silicate nanoparticles show anti-reflection properties in the visible spectra range.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2014.03.114