材料科学
聚偏氟乙烯
摩擦电效应
复合材料
成核
氟化物
碳纳米管
相(物质)
化学工程
聚合物
有机化学
工程类
无机化学
化学
作者
Sejung Kim,Youngjun Song,Michael Heller
摘要
The surface of multiwalled carbon nanotubes (MWCNTs) was chemically modified using 1-pyrenebutyric acid (PBA) to improve its compatibility with polyvinylidene fluoride (PVDF). The carboxylic acid groups of the MWCNTs-PBA (PCNTs) provide a β -phase nucleation site to the fluorine of PVDF along their surface. The content of the β -phase crystalline structure of PVDF was found to be the highest at a concentration of 1.0 wt.% of PCNTs, and these PVDF-PCNTs composites were utilized as active layers in triboelectric devices. The maximum output voltage achieved was 16 volts at a concentration of 1.0 wt.% of PCNTs in the PVDF composites.
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