Influence of the substrate on the crystalline phase and morphology of poly (vinylidene fluoride) (PVDF) thin film

Ibtisam Yahya Abdullah, Muhammad Yahaya, Mohammad Hafizuddin Jumali, Haider Mohammed Shanshool

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The effect of substrate on the crystalline phase and morphology of the poly (vinylidene fluoride) (PVDF) thin film has been investigated. The solution of PVDF/Hexamethyl phosphoramide (HMPA) was deposited on four different substrates, namely, silicon (Si), glass (SiO2), indium tin oxide (ITO) coated glass and silver (Ag) coated glass respectively by using the spin coating technique. The crystalline structure was investigated using X-ray diffraction (XRD) and Fourier transform infrared (FTIR) techniques. The morphology was determined using scanning electron microscopy (SEM). XRD demonstrated that the structure of PVDF thin films on each substrate is β-phase with different orientations of the molecular chains. FTIR results confirmed XRD that the samples contain β-phase. SEM shows spherulites structure, which is rough and porous, besides, the size of spherulites and the porosity are different for each sample. The size of spherulites is in average diameter range (1-6μm) and this range is attributed to the β-phase. The nucleation process of β-phase on the various substrates attributed either to the match of polymer-substrate or to the electrostatic interaction. Among the substrates used, the ITO substrate exhibited a greater tendency for β-phase formation.

Original languageEnglish
Article number1650005
JournalSurface Review and Letters
Volume23
Issue number3
DOIs
Publication statusPublished - 1 Jun 2016

Fingerprint

vinylidene
fluorides
Crystalline materials
Thin films
spherulites
Substrates
thin films
X ray diffraction
indium oxides
tin oxides
glass
Fourier transforms
diffraction
Infrared radiation
ITO glass
Glass
Scanning electron microscopy
scanning electron microscopy
x rays
molecular chains

Keywords

  • Morphology
  • Piezoelectricity
  • PVDF
  • Spin coating
  • Substrate
  • Thin film

ASJC Scopus subject areas

  • Surfaces and Interfaces
  • Condensed Matter Physics
  • Materials Chemistry
  • Surfaces, Coatings and Films

Cite this

Influence of the substrate on the crystalline phase and morphology of poly (vinylidene fluoride) (PVDF) thin film. / Abdullah, Ibtisam Yahya; Yahaya, Muhammad; Jumali, Mohammad Hafizuddin; Shanshool, Haider Mohammed.

In: Surface Review and Letters, Vol. 23, No. 3, 1650005, 01.06.2016.

Research output: Contribution to journalArticle

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