Two-photon laser fabrication of three-dimensional silver microstructures with submicron scale linewidth

被引：0
|
作者：
Naoto Tsutsumi
Kazuya Nagata
Wataru Sakai
机构：
[1] Kyoto Institute of Technology,Department of Macromolecular Science and Engineering, Graduate School of Science and Technology
来源：
Applied Physics A | 2011年 / 103卷
关键词：
Femtosecond Laser; Silver Nitrate; Silver Cluster; Silver Nanowire; Silver Structure;
D O I：
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学科分类号：
摘要：
We show three-dimensional silver microstructures with a submicron scale linewidth fabricated via two-photon photoreduction of silver ions in a poly(N-vinylpyrrolidone) (PVP) matrix. Femtosecond laser at 508 nm directly excites the carbonyl group of PVP via two-photon excitation to reduce silver ions. Lone pair electrons in PVP stabilized silver ions and lower molecular weight of PVP prevented silver clusters growing larger. The effect of molecular weight of PVP on linewidth of silver nanowire is investigated.
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页码：421 / 426
页数：5
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