Effect of BiCl3 on the Morphology and Property of PVDF Films

Ya Jun Wang; Fang Fang Wang; Lian Jie Xu

doi:10.4028/www.scientific.net/AMR.804.74

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 804Effect of BiCl3 on the Morphology and Property of...

Effect of BiCl₃ on the Morphology and Property of PVDF Films

Abstract:

Different mass fraction of BiCl₃ was added into the PVDF film to increase the content of β-phase. XRD and SEM were used to analyze the crystalline phase and microstructure of the films. The results show that adding of BiCl₃ increases the content of β-phase in the films. The possible reason of the increment of β-phase is that the addition of BiCl₃ can make the free radicals of PVDF with electric charge return to their original position and consequently improve the degree of crystalline of β-phase. Dielectric and thermal properties were also analyzed. When mass fraction of BiCl₃ is 2%, the PVDF film has the highest degree of crystalline and best properties.