Polyaniline-Lead Titanate Composites for Humidity Sensing and EMI Shielding Applications

被引：3
|
作者：
Manocha, Aarushi [1 ]
Thomas, Jocelyn T. [1 ]
Fathima, Hana [1 ]
Suveetha, V [2 ]
Faisal, Muhammad [3 ]
机构：
[1] PES Inst Technology, Dept Elect & Commun Engn, Bangalore 560100, Karnataka, India
[2] PES Inst Technology, Dept Informat Sci & Engn, Bangalore 560100, Karnataka, India
[3] PES Inst Technology, Dept Phys, Bangalore 560100, Karnataka, India
来源：
PROCEEDINGS OF THE 59TH DAE SOLID STATE PHYSICS SYMPOSIUM 2014 (SOLID STATE PHYSICS) | 2015年 / 1665卷
关键词：
Polyaniline composites; Electromagnetic interference; Shielding effectiveness; Humidity sensing; OXIDE COMPOSITES; SENSOR;
D O I：
10.1063/1.4918227
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The present paper reports the humidity sensing and electromagnetic interference (EMI) shielding properties of synthesized polyaniline-lead titanate (PANi/PbTiO3) composites. The humidity sensing of the PANi/PbTiO3 composites was discussed in terms of change in direct current (DC) resistance with respect to percentage relative humidity (% RH) ranging from 20% to 90%. The EMI shielding properties of the composites were measured in the frequency range of 8-12 GHz (X-band), relevant for practical applications. The composites showed shielding effectiveness (SE) in the range 29 dB to -34 dB and the variations in the shielding effectiveness with the frequency was minimal at a fixed composition. The observed effective humidity sensing and EMI shielding properties highlights the prospects of multifunctional applications of these composites.
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页数：3
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