Механохимический синтез титаната кальция и исследование его фотокаталитической активности. <...> Mechanochemical synthesis of calcium titanate and research of its photocatalytic activity. <...> Академическая, 1, Иваново, Российская Федерация, 153045 E-mail: ivk@isc-ras.ru ( ), ava@isc-ras.ru, ova@isc-ras.ru МЕХАНОХИМИЧЕСКИЙ СИНТЕЗ ТИТАНАТА КАЛЬЦИЯ И ИССЛЕДОВАНИЕ ЕГО ФОТОКАТАЛИТИЧЕСКОЙ АКТИВНОСТИ Представлены результаты механохимического синтеза титаната кальция и его структурные изменения при нагревании. <...> Проведены исследования с использованием рентгенофазового анализа, ИК-спектроскопии, термического анализа, низкотемпературной адсорбции-десорбции азота. <...> Ключевые слова: механохимический синтез, титанат кальция, термическая обработка, фотокаталитическая активность Konstantin V. Ivanov ( K.V. <...> Alexeeva Laboratory of Chemistry of Hybrid Nanomaterials and Supramolecular Systems, G. <...> Krestov Institute of Solution Chemistry of RAS, Akademicheskaya str., 1, Ivanovo, 153045, Russia E-mail: ivk@isc-ras.ru ( ), ava@isc-ras.ru, ova@isc-ras.ru MECHANOCHEMICAL SYNTHESIS OF CALCIUM TITANATE AND RESEARCH OF ITS PHOTOCATALYTIC ACTIVITY Recently much attention is paid to the synthesis and study of the properties of inorganic materials, based on alkaline earth titanates with a perovskite structure that have various polymorphic forms depending on the temperature. <...> Calcium titatanat (CaTiO3) can be selected from the variety of perovskites because of its relatively high dielectric constant, unique photochemical properties, chemical stability, and compatibility with biological tissues, which leads to its application in microelectronics, photocatalysis and biomedicine as bone implants. <...> In this paper, a solidphase synthesis of calcium titanate was carried out by ceramic technology using mechanochemistry methods. <...> This method allows to obtain calcium titanate directly by mechanochemical activation from the initial mixture of Ca (OH)2 and TiO2, which significantly reduces the energy conИзв. вузов. <...> The particle size and specific surface area of powders synthesized and calcined at 800 °C was measured <...>