Authors: Chao Tang, Meiling Hu, Minghao Fang, Yangai Liu, Xiaowen Wu, Wenjuan Liu, Meng Wang, Zhaohui Huang

PMID: 26130024

DOI: 10.1186/s11671-015-0977-1

ISSN: 1931-7573

Journal Title: Nanoscale research letters

Publication Date: 2015 Dec

Abstract

Titanium dioxide (TiO2) is one of the most common photocatalysts. In this study, TiO2-vermiculite composite nanofibers with a mesh structure and a diameter of approximately 300 nm were prepared via sol-gel approach combined with electrospinning technique. The samples were characterized by X-ray diffraction, scanning electron microscopy, ultraviolet-visible spectroscopy, etc. The photocatalytic property was also evaluated. The TiO2-vermiculite composite nanofibers annealed at 550 °C for 3 h exhibited the best absorption and photo-degradation ability for the treatment of methylene blue. The results implied that the combination of mineral vermiculite powders with TiO2 enhanced the absorption-degradation performance of the as-prepared photocatalytic materials, consequently promoting the materials’ ability to degrade methylene blue.

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