Bulletin of Materials Science

, Volume 40, Issue 3, pp 569–575 | Cite as

Study of \(\upbeta \)-phase development in spin-coated PVDF thick films

  • Bhoopesh MahaleEmail author
  • Dhananjay Bodas
  • S A Gangal


A study was conducted to ascertain the effect of variation in spin speed and baking temperature on \(\upbeta \)-phase content in the spin-coated poly(vinylidene fluoride) (PVDF) thick films (\({\sim }4{-}25\,\upmu \hbox {m}\)). Development of \(\upbeta \)-phase is dependent on film stretching and crystallization temperature. Therefore, to study the development of \(\upbeta \)-phase in films, stretching is achieved by spinning and crystallization temperature is adjusted by means of baking. PVDF films are characterized using Fourier transform infrared spectroscopy, X-ray diffraction, differential scanning calorimetry, and scanning electron microscopy. It is observed that crystallization temperature lower than \(60^{\circ }\hbox {C}\) and increase in spin speed increases the \(\upbeta \)-phase content in PVDF films. Crystallization temperature above \(60^{\circ }\hbox {C}\) reduces \(\upbeta \)-phase content and increases \(\upalpha \)-phase content. It was also observed that viscosity of the PVDF solution affects the \(\upbeta \)-phase development in films at a particular spin speed.


Poly(vinylidene fluoride) \(\upbeta \)-phase spin coating crystallization temperature 


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Copyright information

© Indian Academy of Sciences 2017

Authors and Affiliations

  1. 1.Department of Electronic ScienceSavitribai Phule Pune UniversityPuneIndia
  2. 2.Centre for NanobioscienceAgharkar Research InstitutePuneIndia

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