Diffractive Ammonia Sensors Based on Sol-Gel Nanocomposites Materials

被引：7

作者：

Aspiotis, N. ^{[1
,2
]}

El Sachat, A. ^{[1
]}

Athanasekos, L. ^{[1
,2
]}

Vasileiadis, M. ^{[1
,2
]}

Mousdis, G. ^{[1
]}

Vainos, N. ^{[2
]}

Riziotis, C. ^{[1
]}

机构：

[1] Natl Hellen Res Fdn, Inst Theoret & Phys Chem, Photon Nanoapplicat Lab, GR-11635 Athens, Greece

[2] Univ Patras, Dept Mat Sci, Patras 26504, Greece

来源：

SENSOR LETTERS | 2013年 / 11卷 / 08期

关键词：

Diffraction Gratings; Sol Gel; Soft Lithography; Optical Chemical Sensors; Gas Sensing;

D O I：

10.1166/sl.2013.2945

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The development of diffractive optical sensors for ammonia detection using the inorganic salts of NiCl2 and CuCl2 immersed in precursors materials (TMOS, TEOS) is presented. Soft lithography techniques employed for the fabrication of the diffraction gratings followed by proper tailoring of sol-gel sensing materials to optimise sensor response. The evaluation of these nanocomposites materials as active materials for potential photonic sensors revealed the best performance for the CuCl2/TEOS with response's dynamic range of (0-16%). The use of CuCl2 in diffraction grating sensors as a sensing material for detection of ammonia is emerging for the first time.

引用

页码：1415 / 1419

页数：5

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