Guided growth of Ag nanoparticles on SrTiO3 (110) surface

被引:9
作者
Zhang, Zhiqiang [1 ]
Feng, Jiagui
Wang, Zhiming
Yang, Fang
Guo, Qinlin
Guo, Jiandong
机构
[1] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
基金
中国国家自然科学基金;
关键词
ENHANCED RAMAN-SCATTERING; CATALYTICALLY ACTIVE GOLD; AU NANOPARTICLES; NANOCRYSTALS; TEMPERATURE; CO; ADSORPTION; CATALYSIS; SERIES; FILMS;
D O I
10.1063/1.3648052
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The formation process of Ag nanoparticles on SrTiO3(110) surface is studied by scanning tunneling microscope. The quasi-long-range ordered adsorbates pre-existing on (4 x 1)-reconstructed surface serve as nucleation centers and guide the growth of a uniform Ag nanoparticles array. Such a regulatory effect is further manifested by comparing the growth behavior with that on relatively flat (5 x 1)-reconstructed and rough amorphous SrTiO3(110) surface. It is also found that the pre-existing adsorbates on (4 x 1) remarkably enhance the thermal stability of Ag nanoparticles. (C) 2011 American Institute of Physics. [doi:10.1063/1.3648052]
引用
收藏
页数:5
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