Podelinska Alise, Neilande Elina, Pankratova Viktorija, Serga Vera, Bandarenka Hanna, Burko Aliaksandr, Piskunov Sergei, Pankratov Vladimir A, Sarakovskis Anatolijs, Popov Anatoli I, Bocharov Dmitry V
Institute of Solid State Physics, University of Latvia, LV-1063 Riga, Latvia.
Institute of Physics, University of Tartu, 50411 Tartu, Estonia.
Nanomaterials (Basel). 2025 Mar 26;15(7):498. doi: 10.3390/nano15070498.
Nanocrystalline materials based on titanium dioxide possess unique properties, including photocatalytic and antibacterial activities. Despite many approaches have already been utilized to fabricate and characterize pure and doped TiO, a systematic description of its nanostructured samples depending on the synthesis method has not been presented yet. In this study, we shed new light on the process-structure relationships of nanocrystalline TiO-based powders fabricated by extraction-pyrolytic, hydrothermal, and sol-gel techniques. The comprehensive analysis of the fabricated nanocrystalline TiO-based powders with different anatase/rutile phase content is performed by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS). The hydrothermal and sol-gel methods are also used to grow TiO particles doped with Cu and Er-Yb. The correlation between synthesis parameters (pyrolysis and annealing temperature) and properties of the produced materials is studied. Particular attention is paid to Raman spectroscopy and the detailed comparison of our obtained data with existing experimental and theoretical studies.
基于二氧化钛的纳米晶体材料具有独特的性能，包括光催化和抗菌活性。尽管已经采用了许多方法来制备和表征纯TiO₂ 及掺杂TiO₂ ，但尚未有关于根据合成方法对其纳米结构样品进行系统描述的报道。在本研究中，我们揭示了通过萃取 - 热解、水热和溶胶 - 凝胶技术制备的纳米晶TiO₂ 基粉末的过程 - 结构关系。通过扫描电子显微镜（SEM）、能量色散X射线光谱（EDX）、拉曼光谱和X射线光电子能谱（XPS）对制备的具有不同锐钛矿/金红石相含量的纳米晶TiO₂ 基粉末进行了全面分析。水热法和溶胶 - 凝胶法也用于生长掺杂Cu和Er - Yb的TiO₂ 颗粒。研究了合成参数（热解和退火温度）与所制备材料性能之间的相关性。特别关注拉曼光谱以及我们获得的数据与现有实验和理论研究的详细比较。
