Impact of radiation induced crosslinking on structural, morphological, mechanical and optical properties of Polymethylmethacrylate thin films

  • Saman Iqbal*
  • , Muhammad Shahid Rafique
  • , Nida Iqbal
  • , Shazia Bashir
  • , Shafaq Arif
  • , Rabia Ahmad
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

This project is dedicated to investigate the optimal fluence of laser produced X-rays for crosslinking in thin Polymethylmethacrylate (PMMA) films. These films were deposited at room temperature using Pulsed Laser Deposition (PLD) technique. These deposited films were then irradiated with various X-ray fluence (produced from Laser induced Plasma) ranging from 2.5 to 5.76 mJ-cm−2. X-ray Diffractometer, Optical microscope, hardness tester and UV-VIS spectroscopy techniques have been employed to characterize the films. The X-ray fluence 4.48 mJ-cm−2 comes out to be the optimal fluence for crosslinking that not only improved the crystallization of the films but also caused the generation of new phases. The surface exhibited larger fragments at this fluence. A sharp enhancement in hardness as well as in absorption in the UV–vis range have also been observed at this fluence. These cross linked PMMA films have their potential applications in biomedical, optoelectronic, lithography, coating, packing and medical field.

Original languageEnglish
Pages (from-to)202-209
Number of pages8
JournalProgress in Organic Coatings
Volume111
DOIs
StatePublished - Oct 2017
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2017 Elsevier B.V.

Keywords

  • Irradiation
  • PMMA
  • Pulsed laser deposition
  • X-rays fluence
  • XRD

ASJC Scopus subject areas

  • General Chemical Engineering
  • Surfaces, Coatings and Films
  • Organic Chemistry
  • Materials Chemistry

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