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TiO2 Microspheres Grown on Cellulose-Based Carbon Fibers: Preparation, Characterizations and Photocatalytic Activity for Degradation of Indigo Carmine Dye

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We describe a facile pathway to grow TiO2 microspheres onto the surface of cellulose-based carbon fibers. These microspheres with diameters ranging from 0.65 to 1.45 μm show pure anatase phase. As an example of potential applications, the cellulose-based carbon fibers supported TiO2 microspheres (coded as CCF/TMS) were employed as a photocatalyst to degrade indigo carmine dye in aqueous solution under UV radiation. The results show that the dark blue dye solution rapidly turned colorless within 40 min. Moreover, a faster decomposition rate of indigo carmine dye was acquired when using CCF/TMS, as compared to commercially available TiO2 P25 and anatase TiO2. In addition, CCF/TMS shows good shape stability during the whole photocatalytic reaction, which provides convenience for recovery processing. This work provides an eco-friendly, low-cost and high-efficiency photocatalyst for environmental remediation.
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Keywords: Carbon Fibers; Cellulose; Microspheres; Photocatalytic Activity; TiO2

Document Type: Research Article

Affiliations: Material Science and Engineering College, Northeast Forestry University, Harbin 150040, P. R. China

Publication date: August 1, 2017

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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