Investigation on Stranski-Krastanow (SK) Growth Mode of Ag Coating in Cu/Ag Core-Shell Composites

被引：2

作者：

Wan, Xingyuan ^{[1
]}

Wang, Yiyong ^{[1
]}

Lu, Jinlin ^{[1
]}

Ning, Zhe ^{[1
]}

Li, Jidong ^{[1
]}

机构：

[1] Univ Sci & Technol Liaoning, Sch Mat & Met, Anshan 114051, Peoples R China

来源：

COATINGS | 2020年 / 10卷 / 03期

基金：

中国国家自然科学基金;

关键词：

density functional theory; composites; catalyst; growth mode; COUPLING REACTIONS; COPPER; SILVER; NANOPARTICLES; PALLADIUM; NANO;

D O I：

10.3390/coatings10030297

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Cu/Ag core -shell composite was synthesized by the replacement-reduction method and was applied to the catalytic field. The specimens were analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscope (TEM). The growth mechanism was investigated by the first-principles calculation, including the density of states, Mulliken population, and electronic structures. By comparing the calculation and characterization, it is concluded that the difference in interfacial properties leads to the growth of silver on the copper surface in the Stranski Krastanow (SK) mode.

引用

页数：12

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