Influence of cadmium sulfide nanoparticles on structural and electrical properties of polyvinyl alcohol films

被引：30

作者：

Koteswararao, J. ^{[1
]}

Abhishek, R. ^{[1
]}

Satyanarayana, S. V. ^{[2
]}

Madhu, G. M. ^{[1
]}

Venkatesham, V. ^{[1
]}

机构：

[1] MS Ramaiah Inst Technol, Dept Chem Engn, Bangalore 560054, Karnataka, India

[2] Jawaharlal Nehru Technol Univ Anantapur, Dept Chem Engn, Anantapuramu 515002, Andhra Pradesh, India

来源：

EXPRESS POLYMER LETTERS | 2016年 / 10卷 / 11期

关键词：

nanocomposites; cadmium sulfide; electrical properties; polyvinyl alcohol; CDS NANOPARTICLES; DIELECTRIC-PROPERTIES; OXIDE NANOPARTICLES; OPTICAL-PROPERTIES; NANOCOMPOSITES;

D O I：

10.3144/expresspolymlett.2016.83

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Cadmium sulfide (CdS) nanoparticles have been synthesized by hydrothermal method and dispersed in poly vinyl alcohol (PVA) matrix in varying amounts by weight. Subsequently, PVA/CdS nanocomposites have been synthesized with the objective of investigating the effect of CdS nanoparticles on structural and electrical properties of PVA films. Structural properties were analyzed by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques. Differential scanning calorimetry (DSC) was used to investigate thermal properties of PVA/CdS nanocomposites. Electrical properties were measured by using high frequency LCR meter and were found to be strongly dependent on frequency and nano CdS content. Dielectric constant decreased with increase in frequency and with increase in nanofiller concentration. AC conductivity and dielectric loss increased with frequency and decreased with increase in nano CdS content.

引用

页码：883 / 894

页数：12

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