期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 96, 期 2, 页码 453-458出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-009-5270-7
关键词
-
资金
- Japan Science and Technology Agency [2008DFA02050]
The morphology and size dependence of silver microstructures in a novel microfabrication process, fatty salts-assisted multiphoton photoreduction (MPR), were investigated by using the fatty salts with different carbon chain lengths (C (n) : n=4,5,7,9) under varied powers and irradiation times of a femtosecond near-infrared laser with the wavelength of 800 nm. Not only the feature size of the silver structures was reduced but also the surface smoothness was improved by increasing the chain length of the fatty salts. The highest resolution of a silver line was obtained to be 285 nm, which exceeded the diffraction limit. The fatty salts-assisted MPR microfabrication approach would provide an efficient protocol for fabricating metallic micro/nanostructures with fine morphology and size and could play an important role in the fabrication of the metallic micro/nanostructures for applications in photonics and electronics as well as in sensors.
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