Chemistry & Chemical Technology. – 2012. – Vol. 6, No. 4

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The scientific-technical journal

It is the scientific-technical journal in English in Ukraine discussing actual problems of chemistry and chemical technology. Compared with other chemical journals Ch&ChT is publishing materials of both theoretical and practical values in such fields as analytical, general organic, physical and inorganic chemistry; chemistry of high molecular compounds; materials science and engineering; chemical kinetics and catalysis; technology of inorganic substances; technology of organic synthesis products; chemical technology of processing of combustible minerals; processes and apparatus of chemical and food productions; biotechnology and ecology.

Chemistry & Chemical Technology : [the scientific-technical journal] / Lviv Polytechnic National University ; editor-in-chief M. Bratychak. – Lviv : Publishing House of Lviv Polytechnic National University, 2012. – Volume 6, number 4. – P. 355–472, XII : ill.

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Author: search.filters.author.Besaha, KhrystynaSubject: search.filters.subject.модифікування поверхні

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    Surface modification of titanium(IV) oxide sol-gel powders by sulfur
    (Publishing House of Lviv Polytechnic National University, 2012) Vakhula, Yaroslav; Besaha, Khrystyna; Lutsyuk, Iryna
    The synthesis of titanium(IV) oxide nanopowders modified by sulfur with the help of sol-gel method has been described. The structure of surface layers has been investigated using X-ray diffraction analysis, a scanning electron microscopy, IR-spectroscopy and X-ray photoelectron spectroscopy. The possible mechanism of powders surface modification by sulfur has been shown, as well as the dependence of specific surface on sulfur content. Золь-гель методом синтезовано нано- порошки титану(IV) оксиду модифіковані сіркою. Структуру поверхневих шарів досліджено за допомогою рентгено-дифракційного аналізу, скануючої електронної мікроскопії, ІЧ-спектроскопії та рентгенівської фотоелектронної спектроскопії. Показаний можливий механізм модифікації поверхні, а також встановлено залежність питомої поверхні від вмісту сірки.