利用皮秒激光辐照从盐酸溶液中获得的金纳米粒子的微观结构

IF 0.6 4区材料科学 Q4 CRYSTALLOGRAPHY Crystallography Reports Pub Date : 2024-06-06 DOI:10.1134/S1063774524600017

A. L. Vasiliev, A. G. Ivanova, V. I. Bondarenko, A. L. Golovin, V. V. Kononenko, K. Kh. Ashikkalieva, E. V. Zavedeev, V. I. Konov

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引用次数: 0

摘要

摘要通过透射电子显微镜、电子衍射和电子断层扫描研究了用激光脉冲辐照盐酸HAuCl4溶液得到的金纳米粒子的形态和晶体结构。除了以具有孪晶的立方结构为特征的圆形和无形颗粒外，还有具有三棱形态的扁平颗粒。它们具有层状微观结构，面心立方和紧密堆积的六方晶体结构交替出现，晶体层的方向与基棱柱平面平行。

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Microstructure of Gold Nanoparticles Obtained from a Solution of Hydrochloroauric Acid by Picosecond Laser Irradiation

The morphology and crystal structure of Au nanoparticles obtained by irradiating a solution of hydrochloroauric acid HAuCl₄ with laser pulses have been investigated by transmission electron microscopy, electron diffraction, and electron tomography. Along with round and shapeless particles, characterized by a cubic structure with twins, there are flat particles with trigonal morphology. They have a layered microstructure, with alternation of face-centered cubic and close-packed hexagonal crystal structures of layers oriented parallel to the base prism planes.

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来源期刊

Crystallography Reports 化学-晶体学

CiteScore

1.10

自引率

28.60%

发文量

审稿时长

4-8 weeks

期刊介绍： Crystallography Reports is a journal that publishes original articles short communications, and reviews on various aspects of crystallography: diffraction and scattering of X-rays, electrons, and neutrons, determination of crystal structure of inorganic and organic substances, including proteins and other biological substances; UV-VIS and IR spectroscopy; growth, imperfect structure and physical properties of crystals; thin films, liquid crystals, nanomaterials, partially disordered systems, and the methods of studies.