Nickel Manganese Oxide Nanoparticles Based Humidity Sensors

被引:7
作者
Farooq, Yasir [1 ,2 ]
Fareed, S. [1 ]
Rafiq, M. A. [1 ]
Sher, F. [3 ]
机构
[1] Pakistan Inst Engn & Appl Sci, Dept Met & Mat Engn, Micro & Nano Devices Grp, PO Nilore, Islamabad 45650, Pakistan
[2] Pakistan Inst Engn & Appl Sci, Dept Phys & Appl Math, PO Nilore, Islamabad 45650, Pakistan
[3] Lahore Univ Management Sci, SSE, Dept Chem, Lahore 54000, Pakistan
关键词
Nickel oxide; manganese oxide; humidity sensor; nanoparticles; solid state reaction method; SENSING PROPERTIES; FERROMAGNETISM;
D O I
10.1007/s11664-019-06931-2
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 (0-20%) Mn doped NiO, (10-20%) Ni doped Mn3O4, and composite NiO/Mn3O4 nanoparticles were synthesized using the solid state reaction method. The purity of the nanoparticles was confirmed using x-ray diffraction (XRD) study. Scanning electron microscope (SEM) images confirmed the formation of irregularly shaped nanoparticles with an average diameter of 50-100nm. Then humidity sensors based on these nanoparticles were fabricated and tested. The doping up to certain content enhanced the sensitivity, and the maximum sensitivity of 70% was observed for 10% Ni doped Mn3O4. These sensors exhibited reasonably fast response and recovery times and were better or comparable to those of similar materials. Therefore nickel/manganese oxide nanoparticles are suitable for use in fabrication of humidity sensors.
引用
收藏
页码:2289 / 2293
页数:5
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