Gas-phase silver nanoparticles were coated with silicon dioxide (SiO2) by photoinduced chemical vapor deposition (photo-CVD). Silver nanoparticles, produced by inert gas condensation, and a SiO2 precursor, tetraethylorthosilicate (TEOS), were exposed to vacuum ultraviolet (VUV) radiation at atmospheric pressure and varying temperatures. The VUV photons dissociate the TEOS precursor, initiating ...

This study investigates methods for improving the heat resistance of polyvinyl alcohol/alkali lignin foam material (PLFM). Tetraethoxysilane (TEOS) was used as a precursor to prepare PLCFM by a sol-gel method. The PLCFM, prepared with different levels of TEOS, was characterized by Fourier Transform Infrared spectrometry (FTIR), Differential Scanning Calorimetry (DSC), and Thermogravimetric Anal...

Abstract The thermal equation of state (TEOS) for solids is a mathematic model among pressure, temperature and density, essential geophysical, geochemical, other high pressure–temperature (high P–T) researches. However, in the last few decades, there has been growing concern about accuracy pressure scales calibrants, efforts have made to improve it by either introducing reference standard or bu...

Tetraethyl orthosilicate (TEOS) is extensively used in the conservation of stone-built cultural heritage, which often subjected to water-induced degradation processes. The goal this study was produce and a TEOS-based material with ability repel liquid water. A sol solution TEOS 1H,1H,2H,2H-perfluorooctyl triethoxysilane (FAS) prepared deposited on marble. static contact angles (CAs) water drops...

Arvosteltu teos: Kallinen, Kati & Pirskanen, Henna 2022. Lasten ja nuorten tutkimushaastattelu. Helsinki: Gaudeamus. 268 s.