Hydrogen Gas Sensing Characteristics of Multiwalled Carbon Nanotubes Based Hybrid Composites

被引：10

作者：

Dhall, Shivani ^{[1
]}

Jaggi, Neena ^{[2
]}

机构：

[1] Indian Inst Technol, Dept Phys, Delhi 110016, India

[2] Natl Inst Technol, Dept Phys, Kurukshetra 136119, Haryana, India

来源：

JOURNAL OF ELECTRONIC MATERIALS | 2016年 / 45卷 / 01期

关键词：

Pt sputtering; nanostructure; chemiresistor; structural analysis; H-2 sensing characteristics; NANOSTRUCTURED CARBON; SENSORS; ARCHITECTURE; PERFORMANCE; CATALYSTS;

D O I：

10.1007/s11664-015-4176-8

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In the present work, hydrogen (H-2) gas sensing characteristics of hybrid composites prepared by sputtering of platinum (Pt) metal on the synthesized composites of functionalized multiwalled carbon nanotubes (F-MWCNTs) with selective metal oxides (nickel oxide and cuprous oxide) have been investigated. Both of these sensors are found to have fast response, complete resistance recovery, and good baseline stability at room temperature (25A degrees C). These sensors stably and reversibly respond to 0.05% concentration of H-2 gas at 25A degrees C. This sensing material was characterized by x-ray diffraction, Raman spectroscopy ,and scanning electron microscopy. To the best of our knowledge, detection of such low concentration of H-2 gas is reported here for the first time using F-MWCNTs/NiO/Pt and F-MWCNTs/Cu2O/Pt hybrid nanostructures at 25A degrees C.

引用

页码：695 / 702

页数：8

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