Hydrothermal Synthesis, Optical and Photocatalytic Properties of Yttrium-Doped Titanium Dioxide Nanoparticles

IF 0.3 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Inorganic Materials: Applied Research Pub Date : 2025-09-24 DOI:10.1134/S207511332570159X

I. V. Egelskii, M. A. Pugachevskii, V. V. Rodionov, A. V. Syuy, A. V. Grigorieva

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Abstract

Yttrium-doped titanium dioxide nanoparticles are synthesized using a hydrothermal method. Titanium dioxide nanoparticles with different yttrium content are characterized using infrared Fourier spectroscopy, diffuse reflectance spectroscopy, transmission electron microscopy, scanning electron microscopy, X‑ray diffraction, and small-angle X-ray scattering. Optimal processing modes (washing with solvents and subsequent thermal annealing) are selected to obtain particles with improved photocatalytic properties and minimal carbon content of residual organic derivatives. Yttrium-doped titanium dioxide nanoparticles demonstrate higher photocatalytic activity compared to the undoped sample, which is explained by the formation of additional energy levels within the band gap that reduces the intensity of the reverse recombination process. The results obtained facilitate the selection of the most optimal modes and methods for obtaining titanium dioxide nanoparticles with high photocatalytic activity.

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水热合成掺钇二氧化钛纳米颗粒及其光学和光催化性能

采用水热法合成了掺钇二氧化钛纳米颗粒。采用红外傅立叶光谱、漫反射光谱、透射电镜、扫描电镜、X射线衍射和小角X射线散射等方法对不同钇含量的二氧化钛纳米颗粒进行了表征。选择最佳的加工方式（溶剂洗涤和随后的热退火），以获得具有改进的光催化性能和最低碳含量的残余有机衍生物的颗粒。与未掺杂的样品相比，钇掺杂的二氧化钛纳米颗粒表现出更高的光催化活性，这是由于在带隙内形成了额外的能级，从而降低了反向复合过程的强度。所得结果为制备具有高光催化活性的二氧化钛纳米粒子的最佳模式和方法的选择提供了依据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Inorganic Materials: Applied Research Engineering-Engineering (all)

CiteScore

0.90

自引率

0.00%

发文量

199

期刊介绍： Inorganic Materials: Applied Research contains translations of research articles devoted to applied aspects of inorganic materials. Best articles are selected from four Russian periodicals: Materialovedenie, Perspektivnye Materialy, Fizika i Khimiya Obrabotki Materialov, and Voprosy Materialovedeniya and translated into English. The journal reports recent achievements in materials science: physical and chemical bases of materials science; effects of synergism in composite materials; computer simulations; creation of new materials (including carbon-based materials and ceramics, semiconductors, superconductors, composite materials, polymers, materials for nuclear engineering, materials for aircraft and space engineering, materials for quantum electronics, materials for electronics and optoelectronics, materials for nuclear and thermonuclear power engineering, radiation-hardened materials, materials for use in medicine, etc.); analytical techniques; structure–property relationships; nanostructures and nanotechnologies; advanced technologies; use of hydrogen in structural materials; and economic and environmental issues. The journal also considers engineering issues of materials processing with plasma, high-gradient crystallization, laser technology, and ultrasonic technology. Currently the journal does not accept direct submissions, but submissions to one of the source journals is possible.