Design and fabrication of a nanocrystalline graphite thin-film sensor for in situ ionic concentration monitoring

被引：0
|
作者：
Ling, Ting Yang [1 ,2 ]
Fishlock, Sam J. [1 ,2 ]
Shamsudin, M. S. [1 ]
Sultan, S. M. [3 ]
Chong, Harold M. H. [2 ]
Pu, Suan Hui [1 ,2 ]
机构：
[1] Univ Southampton, Fac Engn & Environm, Mechatron Res Grp, Malaysia Campus, Johor Baharu, Malaysia
[2] Univ Southampton, Fac Phys Sci & Engn, Nano Res Grp, Highfield Campus, Southampton, Hants, England
[3] UTM, Fac Elect Engn, Johor Baharu, Malaysia
来源：
2017 IEEE SENSORS | 2017年
基金：
“创新英国”项目;
关键词：
Fertilizer; Agricultural; Nanocrystalline graphite;
D O I：
暂无
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：
The sensing potential of a nanocrystalline graphite (NCG) film deposited using plasma enhanced chemical vapour deposition (PECVD) for detecting concentration changes of ammonium nitrate and ammonium sulphate in aqueous solutions was demonstrated using a two terminal resistive sensing setup. The sensor shows high linearity in the reduction of resistance with increasing salt concentrations when tested with 0.01 to 2.0M aqueous solutions. This work shows promising outlook for the application of NCG based sensors for in situ agricultural soil monitoring with sufficiently fast response for continuous logging (< 2 seconds).
引用
收藏
页码：1380 / 1382
页数：3
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