C,S-Doped TiO2 nanoparticles with diameter 55-85 nm were obtained by a solvothermal sol-gel method with subsequent calcination; the diameter of the component crystallites was 9-11 nm. An increase in the thiourea concentration in the reaction mixture reduced the anatase content, while increasing the particle size, specific surface area, as well as carbon and sulfur contents. The photocatalytic activity of such materials in the degradation of doxycycline upon UV irradiation depends mainly on the anatase content and mesopore surface area, while such activity upon irradiation with visible light depends mostly on the presence of carbonate and sulfate groups.

中文翻译：

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硫脲对二氧化钛光催化降解多西环素活性的影响

通过溶剂热溶胶-凝胶法随后煅烧得到直径为55-85 nm的C,S掺杂的TiO2纳米颗粒；组分微晶的直径为9-11nm。反应混合物中硫脲浓度的增加降低了锐钛矿含量，同时增加了粒度、比表面积以及碳和硫含量。这种材料在紫外线照射下降解强力霉素的光催化活性主要取决于锐钛矿含量和介孔表面积，而这种在可见光照射下的活性主要取决于碳酸盐和硫酸盐基团的存在。