Twin-assisted growth of nominally stable substrates underneath dewetted Au nanoparticles

Twin-assisted growth of nominally stable substrates underneath dewetted Au nanoparticles
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去湿金纳米颗粒下名义稳定基底的双辅助生长

DOI:
10.1016/j.matchar.2016.01.005
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发表时间:
2016-03
影响因子:
4.7
通讯作者:
Guo-zhen Zhu
Guo-zhen Zhu
中科院分区:
材料科学1区
文献类型:
--
作者:
Fang Liu;Dongyue Xie;T. Majdi;Guo-zhen Zhu

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通过简单廉价的热处理,我们合成了负载型金氧化物纳米结构,它在等离子体器件和生物传感器方面有潜在的应用。名义上稳定的基板下的金纳米粒子的再生长与去湿纳米粒子的优先取向的外观和原子尖锐的界面单层的形成。存在于界面单层的台阶通常发生在缺陷处,包括界面处的孪晶平面的交点。它们与界面单分子膜的成核和迁移有关,促进了基底的再生长。因此,我们提出了双晶辅助生长机制,这为金氧化物纳米结构的合成提供了新的见解。
By applying a simple and inexpensive thermal treatment, we synthesized supported gold-oxide nanostructures, which have potential applications to plasmonic devices and biosensors. The regrowth of nominally stable substrates under gold nanoparticles is associated with the appearance of preferential orientations of dewetted nanoparticles and the formation of atomically sharp interfacial monolayers. Steps present at the interfacial monolayer usually occur at defects including the intersection points of twin planes at the interface. They were related to the nucleation and immigration of the interfacial monolayers, prompting the substrate regrowth. Accordingly, we proposed the twin-assisted growth mechanism, which provides insight on the synthesis of gold-oxide nanostructures.
DOI: 10.1146/annurev.ms.03.080173.001551
发表时间: 1973-08
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