材料科学
柠檬酸三钠
飞秒
制作
纳米结构
纳米光刻
激光器
退火(玻璃)
纳米技术
离子
等离子体子
纳米晶
硼氢化钠
化学工程
光电子学
复合材料
光学
催化作用
病理
化学
工程类
物理
替代医学
医学
量子力学
生物化学
作者
Peter G Barton,Sanjoy Mukherjee,Jithin Prabha,Bryan W. Boudouris,Liang Pan,Xianfan Xu
出处
期刊:Nanotechnology
[IOP Publishing]
日期:2017-11-01
卷期号:28 (50): 505302-505302
被引量:29
标识
DOI:10.1088/1361-6528/aa977b
摘要
Silver nanostructures were fabricated by femtosecond laser-induced reduction of silver ions and the impact of solution chemistry on the fabricated structures was evaluated. By investigating the exact photochemistry of the nanofabrication solutions, which contained varying amounts of diamine silver ions, trisodium citrate, and n-lauroylsarcosine sodium, and optimizing the laser processing parameters, we fabricated two-dimensional silver pads with surface roughness values of 7 nm and stable 2.5-dimensional shell structures with heights up to 10 μm and aspect ratios of 20 in a ready manner. Moreover, thermal annealing of these structures afforded materials where the average resistivity value was only a factor of 4 greater than that of bulk silver. In this way, the work presented here provides for a methodology that can be used for laser direct fabrication of metal nanostructures for applications in plasmonics and micro- and nano-electronics.
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