Room temperature ammonia sensor using side-polished optical fiber coated with graphene/polyaniline nanocomposite

被引：40

作者：

Khalaf, A. L. ^{[1
]}

Mohamad, F. S. ^{[2
]}

Rahman, N. Abdul ^{[2
]}

Lim, H. N. ^{[2
]}

Paiman, S. ^{[3
]}

Yusof, N. A. ^{[2
,4
]}

Mahdi, M. A. ^{[1
]}

Yaacob, M. H. ^{[1
,4
]}

机构：

[1] Univ Putra Malaysia, Wireless & Photon Network Res Ctr, Engn & Technol Complex, Serdang 43400, Selangor, Malaysia

[2] Univ Putra Malaysia, Dept Chem, Fac Sci, Serdang 43400, Selangor, Malaysia

[3] Univ Putra Malaysia, Dept Phys, Fac Sci, Serdang 43400, Selangor, Malaysia

[4] Univ Putra Malaysia, Inst Adv Technol, Funct Devices Lab, Serdang 43400, Selangor, Malaysia

来源：

OPTICAL MATERIALS EXPRESS | 2017年 / 7卷 / 06期

关键词：

HIGH-PERFORMANCE SUPERCAPACITOR; THIN-FILMS; POLYANILINE NANOFIBERS; SENSING PROPERTIES; RAMAN-SPECTRA; GAS; COMPOSITE; HYDROGEN; NANOPARTICLES; SENSITIVITY;

D O I：

10.1364/OME.7.001858

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We developed a highly sensitive side-polished plastic optical fiber coated with chemical synthesized graphene/polyaniline nanocomposite for ammonia gas sensing application. It was found that the optical sensor absorbance spectrum linearly increases with increasing ammonia concentrations. The experimental results revealed that the side-polished fiber sensor coated with graphene/polyaniline nanocomposite exhibited higher performance than the ones coated with only polyaniline. The proposed sensor demonstrated sensitivity, response and recovery times of 132.8 AU%, 112 s, and 185 s, respectively, at room temperature. The superior sensing performance of the developed fiber sensor indicates its high efficiency for NH3 gas-sensing applications at room temperature. (C) 2017 Optical Society of America

引用

页码：1858 / 1870

页数：13

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