Polyvinylpyrrolidone modified barium zirconate titanate/polyvinylidene fluoride nanocomposites as self-powered sensor

被引：46
作者：
Patra, Aniket [1 ,2 ]
Pal, Avijit [1 ]
Sen, Shrabanee [1 ]
机构：
[1] CSIR Cent Glass & Ceram Res Inst, Sensor & Actuator Div, Kolkata, W Bengal, India
[2] Jadavpur Univ, Sch Mat Sci & Nanotechnol, Kolkata, W Bengal, India
来源：
CERAMICS INTERNATIONAL | 2018年 / 44卷 / 10期
关键词：
Lead free piezocomposites; Reitveld; Dielectric; Nanogenerator; POLY(VINYLIDENE FLUORIDE); DIELECTRIC-PROPERTIES; THIN-FILMS; NANOGENERATOR; COMPOSITES; CRYSTALLIZATION; RESIN; FTIR;
D O I：
10.1016/j.ceramint.2018.03.150
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Highly flexible biocompatible nanocomposites comprising of Polyvinylpyrrolidone (PVP) modified Barium Calcium Zirconate Titanate (BCT-BZT) /Polyvinylidene fluoride (PVDF) were fabricated. The crystalline BCT-BZT powders were synthesized by a simple sol-gel method. Rietveld refinement analysis confirmed the coexistence of orthorhombic and tetragonal phase in the synthesized powders. The structural, dielectric and ferro-electric properties of the composites were analysed. Addition of PVP modified BCT-BZT powders was observed to enhance the polar phase in PVDF matrix. The piezoelectric output response as a function of different weight percentage of ceramic powders in the PVDF matrix was investigated. The optimal device with 60wt% PVP modified BCT-BZT powders exhibited maximum peak to peak voltage of 23 V when tested for harnessing waste biomechamcal energy (human hand palm force). The nanogenerator was easily scaled up to 4 x 4 cm and the stored power was utilized for powering fifty five LEDs. The fabricated device is flexible, light- weight and eco-friendly Therefore, it can be explored as a potential candidate for application as self powered sensor.
引用
收藏
页码：11196 / 11203
页数：8
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