Size variation of polyaniline nanoparticles dispersed in polyvinyl alcohol matrix

Bulletin of materials science

D Sarkar¹  J Bhadra¹ 

[1] Department of Physics, Gauhati University, Guwahati 781 014, India$$Department of Physics, Gauhati University, Guwahati 781 014, IndiaDepartment of Physics, Gauhati University, Guwahati 781 014, India$$

关键词: Polymers;    nanostructures;    composite materials;    electrical conductivity.;   

DOI  :  

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

We report the preparation of polyaniline (PANI) nanoparticles dispersed in polyvinyl alcohol (PVA) matrix. From SEM picture it is seen that the particle sizes vary from 100â€�??20 nm. Also with increase in PVA content the stability of dispersion is found to increase. Apart from SEM, spin cast films of PANI in PVA are also characterized through XRD and FTIR. XRD shows increase in crystallinity with PVA content and FTIR gives evidence of crosslinking between PANI and PVA molecules. In plane electrical conductivity (in the range of 10² Scm^-1) and the exponent of nonlinear 𝐼â€�?�ð�?��?? are found to decrease with increase of PVA content. There is a good correlation between SEM, XRD, FTIR and electrical properties.

【 授权许可】

Unknown