Hydrothermally Roughened Surface-Enhanced Raman Scattering-Active Substrates with Low Background Signals for Chemical Sensing Application

被引：4

作者：

Yang, Jung-Yen ^{[1
,2
,3
]}

Cheng, Hui-Wen ^{[2
,3
]}

Chen, Yu ^{[4
]}

Li, Yiming ^{[1
,2
,3
]}

Lin, Chi-Hung ^{[1
,4
,5
]}

Lu, Kuang-Lieh ^{[6
]}

机构：

[1] Natl Nano Device Labs, Hsinchu 300, Taiwan

[2] Natl Chiao Tung Univ, Dept Elect Engn, Hsinchu 300, Taiwan

[3] Natl Chiao Tung Univ, Inst Commun Engn, Hsinchu 300, Taiwan

[4] Natl Yang Ming Univ, Inst Microbiol & Immunol, Taipei 112, Taiwan

[5] Natl Yang Ming Univ, Grad Inst Biophoton, Taipei 112, Taiwan

[6] Acad Sinica, Inst Chem, Taipei 115, Taiwan

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2011年 / 11卷 / 03期

关键词：

Hydrothermal Treatment; SERS-Active Substrate; Titanium; Thin Films; Rhodamine; 6G; Tunable Wettability; SPECTROSCOPY; SIZE; NANOPARTICLES; NANOSTRUCTURES; INTENSITY; MOLECULES;

D O I：

10.1166/jnn.2011.3553

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A low-cost, environment friendly and easily fabricated SERS-active substrate with low background signals has been developed by hydrothermal treatment of titanium thin films deposited on silicon substrate. Results from the experimental study revealed that Rhodamine 6G can be well resolved using gold-coated hydrothermally roughened TiO2 substrates. The effect of surface enhancement by the hydrothermally roughened substrates enables rapid identification of Rhodamine 6G, and the enhancement capability is controllable by tuning the surface roughness of the substrates through varying treatment duration. The hydrothermally treated TiO2 substrates also exhibit tunable wettability like that of the untreated ones.

引用

页码：2012 / 2017

页数：6

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