Electrocrystallization of Pt layers onto Au substrates; an X-ray diffraction study

机译：Pt层电镀在Au基板上; X射线衍射研究

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An X-ray diffraction study of the structural features of Pt electrodeposited on Au substrates was performed. The influence of the deposition potential, electrochemical ageing and model catalytic reactions on the structural characteristics of deposits has been analysed. It has been shown that under the conditions employed highly defective electrolytic deposits are formed composed of nm-sized particles (10-30 nm). Electrochemical ageing and model electrochemical reactions lead to the relaxation of the defect structure of electrodeposited Pt, which is expressed in an increase of lattice parameter and particle size and decrease in the values of strains and density of randomly distributed dislocations. The data obtained showed that the deposition potential is a key parameter determining structural characteristics of Pt electrolytic deposits, and allowed to reveal the minimum of intergrowth degree of Pt nano-particles.

机译：进行了在Au衬底上电沉积Pt电沉积的结构特征的X射线衍射研究。分析了沉积电位，电化学老化和模型催化反应对沉积物结构特征的影响。已经表明，在使用的条件下，由NM大小颗粒（10-30nm）组成的高度缺陷的电解沉积物。电化学老化和模型电化学反应导致电沉积PT的缺陷结构的松弛，其在晶格参数和粒度的增加的增加中表达，以及随机分布脱位的菌株的值和密度的减小。所获得的数据表明，沉积电位是确定Pt电解沉积物的结构特性的关键参数，并且允许露出Pt纳米颗粒的最小凝集度。

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《European Powder Diffraction Conference vol.2》|2006年||共6页
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I. Yu. Molina; L. M. Plyasova; S. V. Cherepanova; E. R. Savinova; G. A. Tsirlina;
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中图分类工程材料一般性问题;
关键词
nano-particles; structure; electrolytic deposits; deposition potential;

机译：纳米颗粒;结构;电解沉积;沉积电位;

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Electrocrystallization of Pt layers onto Au substrates; an X-ray diffraction study

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