Light driven PVDF fibers based on photochromic nanosilica@naphthopyran fabricated by wet spinning

Tânia V. Pinto, Nelson Cardoso,Paula Costa,Céu M. Sousa,Nelson Durães,Carla Silva,Paulo J. Coelho,Clara Pereira,Cristina Freire

Applied Surface Science（2019）

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摘要

•Photoresponsive PVDF fibers doped with SiO2@NPTs were prepared by wet spinning.•PVDF@SiO2@NPTs with average diameters of 98 and 133 μm and a porous outer surface.•Internal fiber morphology showed finger-like macrovoids and sponge-like structures.•PVDF@SiO2@NPTs revealed UV and sunlight responsive properties.•Good coloration kinetics and optical contrast were achieved.

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关键词

Wet spinning,PVDF fibers,Photochromism,Silica nanoparticles,Naphthopyrans

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