core-shell nanoparticles

DRACONS (DecaRbonisAtion and CO2 NanoSequestration)

DRACONS research group aims at developing sustainable industrial cycles and innovative CO₂ capture processes (see also https://giorgiovilardi.wixsite.com/dracons)

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The detection of X@TiO2 core-shell nanoparticles in coatings used for stone protection

In restoration of cultural heritage field, it has been developed nanoparticles coatings having multifunctional features to protect stone artifacts against environmental degrading agents. The nanoparticles concentration detection within the coating can represent a challenging issue because its monitoring over time can provide insights about the treatment durability. The “sample” under consideration consists in marble coated by amorphous silica in which nanoparticles are dispersed.

Synthesis of core-shell nanoparticles for the removal of toxic pollutants in aqueous medium

In this work two active photo-catalysts were synthetized and tested for the removal of methylene blue and
arsenic in aqueous solutions. The two catalysts (Fe3O4/SiO2/TiO2-Al and Fe3O4-SiO2/Zr-TiO2) were
characterized by nano-size, guaranteeing a large specific surface area and a noticeable number of active sites
and resulted active in the visible spectra (400-800 nm). The nanoparticles were characterized by BET, FE-SEM
and EDS methods. The two nano-materials showed high As and methylene blue removal efficiency and were