Volkova Nadezhda Vladimirovna RussiaSaratovSaratov State University, 410012, Russia, Saratov, Astrakhanskaya street, 83nadyavolkova@bk.ru Author's articles Application of Thin Film Structures Based on Amorphous Silicon for pH Measurements in Solutions Influence of Environment and Temperature on the Luminescent Properties of ZnCdS Nanoparticles