Thermally promoted addition of undecylenic acid on thermally hydrocarbonized porous silicon optical reflectors

被引：19

作者：

Jalkanen, Tero ^{[1
,2
]}

Makila, Ermei ^{[2
]}

Sakka, Tetsuo ^{[1
]}

Salonen, Jarno ^{[2
,3
]}

Ogata, Yukio H. ^{[1
]}

机构：

[1] Kyoto Univ, Inst Adv Energy, Kyoto 6110011, Japan

[2] Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland

[3] Univ Turku, Ctr Mat & Surfaces, FI-20014 Turku, Finland

来源：

NANOSCALE RESEARCH LETTERS | 2012年 / 7卷

关键词：

Porous silicon; Interference filter; Optical microcavity; Chemical stability; SURFACE; MICROCAVITIES; FABRICATION; BIOSENSOR;

D O I：

10.1186/1556-276X-7-311

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Thermally promoted addition of undecylenic acid is studied as a method for modifying porous silicon optical reflectors that have been pre-treated with thermal hydrocarbonization. Successful derivatization of undecylenic acid is demonstrated and confirmed with Fourier transform infrared and X-ray photoelectron spectroscopies. The results indicate that the hydrocarbonization pre-treatment considerably improves stability against oxidation and chemical dissolution in basic environments. The two-step treatment also does not cause an appreciable change on sample reflectance spectra, which enables the use of the functionalized structures in optical sensing applications.

引用

页数：6

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