Glycine-Assisted Formation of Nanorods from Rare Earth Oxides

IF 1.5 3区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR Russian Journal of Inorganic Chemistry Pub Date : 2024-12-23 DOI:10.1134/S0036023624603337

M. A. Teplonogova, A. A. Kozlova, A. D. Yapryntsev, A. E. Baranchikov, M. M. Khalisov, V. K. Ivanov

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Abstract

In this paper, a method was proposed for the synthesis of one-dimensional nanoparticles based on new rare earth (RE) compounds, RE hydroxyglycinates. One-dimensional nanoparticles were obtained by the interaction of RE oxides (Y₂O₃, Eu₂O₃, Ho₂O₃, Er₂O₃, Gd₂O₃, Sm₂O₃) with glycine solutions at the molar ratio NH₂CH₂COOH : RE₂O₃ = 35 : 1 at 60°C. The thickness of nanoparticles was 50–150 nm and the length was 1–5 μm. FT-IR and Raman spectroscopy, thermal analysis and CHN elemental analysis data allowed to establish that the composition of the hydroxyglycinate nanorods is described by the formula Ln(NH₂CH₂COO)_1.2(OH)_1.4(CO₃)_0.2·1.2H₂O. Based on atomic force microscopy data, the Young’s modulus of one-dimensional europium hydroxyglycinate nanoparticles was determined (~35 GPa) and the lower limit of the shear modulus was estimated (\( \gg \)2.0 GPa).

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甘氨酸辅助稀土氧化物形成纳米棒

本文提出了一种基于稀土羟基甘氨酸盐的一维纳米粒子的合成方法。稀土氧化物（Y2O3, Eu2O3, Ho2O3, Er2O3, Gd2O3, Sm2O3）与甘氨酸溶液以NH2CH2COOH: RE2O3 = 35: 1的摩尔比在60℃下相互作用，得到一维纳米颗粒。纳米颗粒的厚度为50 ～ 150 nm，长度为1 ～ 5 μm。FT-IR和拉曼光谱、热分析和CHN元素分析数据表明，羟基甘氨酸纳米棒的组成由公式Ln(NH2CH2COO)1.2(OH)1.4(CO3)0.2·1.2 h2o描述。基于原子力显微镜数据，确定了一维羟基甘氨酸铕纳米粒子的杨氏模量（35 GPa），并估计了剪切模量的下限（\( \gg \) 2.0 GPa）。

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来源期刊

Russian Journal of Inorganic Chemistry 化学-无机化学与核化学

CiteScore

3.10

自引率

38.10%

发文量

237

审稿时长

3 months

期刊介绍： Russian Journal of Inorganic Chemistry is a monthly periodical that covers the following topics of research: the synthesis and properties of inorganic compounds, coordination compounds, physicochemical analysis of inorganic systems, theoretical inorganic chemistry, physical methods of investigation, chemistry of solutions, inorganic materials, and nanomaterials.