Enhancement of electroactive phases in free-standing, flexible thin films of PVDF with addition of p-block chlorides

被引：14

作者：

Thakur, Abhishek ^{[1
]}

Dam, Siddhartha ^{[1
]}

Nath, Deena ^{[1
]}

Shekar, N. V. Chandra ^{[1
,2
]}

Amarendra, G. ^{[2
]}

Hussain, Shamima ^{[1
]}

机构：

[1] Univ Madras, UGC DAE CSR, Kalpakkam Node, Kokilamedu 603104, Tamil Nadu, India

[2] HBNI, IGCAR, Mat Sci Grp, Kalpakkam 603102, Tamil Nadu, India

来源：

POLYMER | 2020年 / 186卷

关键词：

PVDF; Electroactive polymer; Free-standing thin films; BETA-PHASE; POLY(VINYLIDENE FLUORIDE); POLYVINYLIDENE FLUORIDE; NANOCOMPOSITES; ALPHA; TRANSFORMATION;

D O I：

10.1016/j.polymer.2019.122074

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Facile formation and enhancement of electroactive (EA) phases contributing to piezo-properties, using metal salt additives in free-standing flexible thin films of Polyvinylidene fluoride (PVDF) synthesized using sol-gel method with minimum resources has been reported. Enhancement in the EA phases, with the metal salt additives were studied using X-ray diffraction (XRD). Well oriented spherulites were observed in the pristine samples. A drastic change in morphology for samples with salt additives was observed. The presence of salts were confirmed using Energy dispersive X-ray spectroscopy (EDS). Confirmation of phases and their quantification was done using Raman and Infra-red spectroscopy, respectively. Raman and Infra-red spectroscopies, showed increment in the EA phases with the addition of metal halides. Possible rearrangement of polymer chains due to metal salt additives has been discussed.

引用

页数：6

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