Preparation and Characterization of Pristine PMMA and PVDF Thin Film using Solution Casting Process for Optoelectronic Devices

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Authors

  • C. Rameshkumar
     Department of Physics, Sathyabama University, Chennai - 600119, Tamil Nadu ,IN
  • S. Sarojini
     Department of Physics, Queen Mary's College, Chennai - 600004, Tamil Nadu ,IN
  • K. Naresh
     Department of Physics, Sathyabama University, Chennai - 600119, Tamil Nadu ,IN
  • R. Subalakshmi
     Departments of Physics, Madras University, Chennai - 600009, Tamil Nadu ,IN

DOI:

https://doi.org/10.18311/jsst/2017/6215

Keywords:

Polycrystalline Surfaces, Polycrystalline Thin Films, XRD, Visible/Ultraviolet Absorption Spectroscopy, Scanning Electron Microscopy (SEM), Optical Band Gap

Abstract

The PMMA and PVDF thin films were synthesized by solution casting process. The structural, spectroscopic, and morphological attributes of both the interface and surface of the film have been investigated. The structural properties of pristine PMMA and PVDF thin film were studied by XRD. The XRD spectra showed the detailed state of order and disorder of the system. From the XRD studies amorphous nature as well as the crystallanity (semi crystalline nature) of the polymer thin film were identified. SEM showed the surface morphology of the pristine PMMA and PVDF thin film. From the SEM image the size and the porous nature of the thin film were estimated. The UV showed the absorption characteristics of PMMA and PVDF thin films. From the UV-Visible spectra, we determined the direct and indirect optical energy gap of pristine PMMA and PVDF polymer samples by Devi's and Mott formula and Tauc's Expression. To the best of our knowledge, the direct and indirect energy gap in pristine PMMA and PVDF polymer thin films have been observed for the first time as no such report was found in literature survey.

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Published

2017-07-24

How to Cite

Rameshkumar, C., Sarojini, S., Naresh, K., & Subalakshmi, R. (2017). Preparation and Characterization of Pristine PMMA and PVDF Thin Film using Solution Casting Process for Optoelectronic Devices. Journal of Surface Science and Technology, 33(1-2), 12–18. https://doi.org/10.18311/jsst/2017/6215

Issue

Volume 33, Issue 1-2, June 2017

Section

Articles
Crossref
Scopus
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Europe PMC
Received 2016-06-16
Accepted 2017-04-06
Published 2017-07-24

 

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