Formation and saturation of β-phase of PVDF in DMF solvent: a comprehensive study
Source abstract
Abstract
In the present work, we report the effect of solvent content on the β-phase fraction in PVDF (poly(vinylidene fluoride)) films synthesized by the facile wet chemical route using DMF (N,N-Dimethylformamide) as the solvent. The amount of PVDF powder was kept fixed while the amount of DMF was varied. X-ray diffraction (XRD) revealed the transformation of the α-phase in the PVDF powder to β-phase in the synthesized PVDF films, which was further confirmed by Fourier Transform Infrared Spectroscopy (FTIR). Deconvolution of the XRD profiles of the films showed the increase of the β-phase content (viz. βα ratio) with initial increase in the DMF volume. However, a surprising and previously unreported result emerged, i.e. the saturation of the β-phase beyond a certain volume of the solvent. The plausible mechanism for the formation and further saturation of the β-phase in the PVDF films is discussed.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Dielectric materials and actuators · Polymer Nanocomposite Synthesis and Irradiation
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
University of Petroleum and Energy Studies (UPES)
Funding
UGC-DAE CSR Project · SEED project grant from UPES
References (60)
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