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In this work, silicon dioxide (SiO2) spheres and gold nanoparticles (Au) were prepared. The SiO2 was used as a platform to deposit the gold nanoparticles. The SiO2 structures were synthesized employing the Stöber method. Monodisperse spherical particles with mean size of 293 nm were observed by transmission electron microscopy (TEM). The gold nanoparticles were attached to the dielectric platform...
Owing to the importance of the correct selection of the synthesis parameters when fabricating nanoparticles, a general full factorial design with three factors: pH, thioacetamide/CuCl $$_2{\cdot}$$ 2 · H $$_2$$ 2 O ratio, and stirring time was performed to find the factors affecting the spectral position of the near-infrared (NIR) absorption band of CuS nanoparticles. Based on...
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