Improving beta phase of spin coated PVDF thin films by doping with silver nanoparticles

被引：1
作者：
Roopa, T. S. [1 ]
Murthy, H. N. Narasimha [1 ]
Bandgar, Krishna [1 ]
Harish, D. V. N. [2 ]
Angadi, Gangadhar [1 ]
机构：
[1] RV Coll Engn, Dept Mech Engn, Bengaluru, Karnataka, India
[2] RV Coll Engn, Interdisciplinary Res Ctr, Bengaluru, Karnataka, India
来源：
FERROELECTRICS | 2023年 / 613卷 / 01期
关键词：
PVDF/AgNP thin films; spin coating; beta-fraction; crystallinity; POLY(VINYLIDENE FLUORIDE) FILMS;
D O I：
10.1080/00150193.2023.2215513
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This research deals with the effect of process parameters of spin coating such as spinning speed, weight composition of silver nanoparticles (AgNP), and annealing duration on the phase change of polyvinylidene fluoride (PVDF) thin films. FTIR spectroscopy along with XRD confirmed the transformation of a to beta-phase in the PVDF thin films. The spin coated films exhibited higher beta-fraction than that of the pristine PVDF. The b-fraction in the thin films was mainly influenced by the addition of AgNP. The DSC results showed decrease in crystallinity from 63.74 to 53.21% with increase in spinning speed from 1000 to 3000 rpm due to the over-stretching of crystalline lamellae.
引用
收藏
页码：194 / 201
页数：8
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