Surface-Enhanced Raman Scattering Substrate Fabricated by Femtosecond Laser Direct Writing
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概要
- 論文の詳細を見る
We report the fabrication of a novel surface-enhanced Raman scattering (SERS) substrate with a controllable enhancement factor (EF) using femtosecond laser direct writing on Ag+-doped phosphate glass followed by chemical plating at ${\sim}40$ °C. Silver seeds were first photoreduced using a femtosecond laser in a laser-irradiated area and then transformed into silver nanoparticles of suitable size for SERS application in the subsequent chemical plating. Rhodamine 6G was used as a probing molecule to investigate the enhancement effect of a Raman signal on the substrate. Nearly homogenous enhancement of the Raman signal over the substrate was achieved, and the EF of the substrate was controlled to some extent by adjusting fabrication parameters. Moreover, the ability of forming a SERS platform in an embedded microfluidic chamber would be of great use for establishing a compact lab-on-a-chip device based on Raman analysis.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2008-01-25
著者
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Xu Jian
State Key Laboratory Of Genetic Engineering Institute Of Genetics School Of Life Sciences Fudan Univ
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Cheng Ya
State Key Laboratory Of High Field Laser Physics Shanghai Institute Of Optics And Fine Mechanics Cas
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Xu Zhizhan
State Key Laboratory Of High Field Laser Physics Shanghai Institute Of Optics And Fine Mechanics Cas
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Zhou Zenghui
State Key Laboratory Of High Field Laser Physics Shanghai Institute Of Optics And Fine Mechanics Cas
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Sugioka Koji
Laser Physical Engineering Laboratory Institute Of Physical And Chemical Research Riken
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Midorikawa Katsumi
Laser Technology Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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Midorikawa Katsumi
Laser Technology Lab., RIKEN- Institute of Physical and Chemical Research
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Sugioka Koji
Laser Technology Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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Xu Jian
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science, P. O. Box 800-211, Shanghai 201800, China
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Xu Zhizhan
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science, P. O. Box 800-211, Shanghai 201800, China
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Zhou Zenghui
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science, P. O. Box 800-211, Shanghai 201800, China
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