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In the liquid phase synthesis of metallic nanoparticles by electroless deposition, the morphology of product is strongly dependent on numerous synthesis conditions; for example, the type or quantity of solvent, precursor, reductant and dispersant species. In this work, the influence of the surface area of precursor on the size distribution of synthesized nanoparticles was investigated using a kinetic...
Reduced graphene oxide/titanium dioxide (rGO/TiO2) layered film was firstly utilized through simple spray method for trace detection of formaldehyde (HCHO) at room temperature. A remarkable sensitivity of layered film (0.8 ppm−1) was identified in the concentration range of 0.1 ppm to 0.5 ppm, which was higher than that of rGO-based sensor (0.5 ppm−1). It was worth noting that an interesting abruption...
Raspberry-like SiO2 (R-SiO2) nanoparticles were prepared by electrostatic self-assembly of two different sizes SiO2 nanoparticles under the help of polyelectrolytes, which would be removed by further calcination. The R-SiO2/epoxy composites were fabricated then by a solvent-free curing process. The morphology of R-SiO2 and fracture morphology of their epoxy composites were observed by scanning electron...
Raspberry-like SiO2 (R-SiO2) nanoparticles were prepared by electrostatic self-assembly of two different sizes SiO2 nanoparticles under the help of polyelectrolytes, which would be removed by further calcination. The R-SiO2/epoxy composites were fabricated then by a solvent-free curing process. The morphology of R-SiO2 and fracture morphology of their epoxy composites were observed by scanning electron...
Using TiO2 from the hydrolysis of TiOSO4 as the precursor, and polystyrene (PS) as the template, TiO2/PS complex nanoparticles were successfully prepared through Layer-by-Layer self-assembly method. Then erased PS by heating, thus hollow sphere TiO2 was attained. The synthesized materials were characterized by SEM and XRD, the results indicated that TiO2 spheres were deposited on Ti substrate and...
This paper discussed the surface resistance of carbon nanotube (CNT)/inorganic binder/silver composites film. The used CNT were multiwalled CNT with diameter of 20 nm-40 nm and 5-15 m in length. We used two inorganic binders: sodium metasilicate and tetraethyl orthosilicate (TEOS) and two silvers: nanosilver in powder and solutions. The CNT were separated and dispersed in inorganic binder with different...
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