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High reusability and durability of carbon-doped TiO2/carbon nanofibrous film as visible-light-driven photocatalyst.
- Source :
- Journal of Materials Science; Mar2019, Vol. 54 Issue 5, p3795-3804, 10p, 3 Color Photographs, 1 Black and White Photograph, 1 Chart, 5 Graphs
- Publication Year :
- 2019
-
Abstract
- The light response range, reusability, and durability of photocatalyst are the key issues for its practical application. To address these problems, the C-doped TiO<subscript>2</subscript>/carbon nanofibrous (CTCNF) film with incorporation of C-doped TiO<subscript>2</subscript> nanoparticles into carbon nanofibers was prepared by electrospinning and calcination (pre-oxidation and carbonization). All the obtained CTCNF films exhibited a promising light absorption in ultraviolet-visible region. With optimization of carbonization temperature, the CTCNF film carbonized at 800 °C (CTCNF-800) showed a strongest light absorption. Consequently, the CTCNF-800 possessed a highest photocatalytic degradation efficiency of 94.2% for degradation of rhodamine B. In addition, the CTCNF-800 possessed excellent flexibility and deserved mechanical strength, and hence, the CTCNF-800 could be easily segregated from solution and recycled. Satisfyingly, its degradation efficiency still exceeded 92% after using for six cycles, implying that the CTCNF had excellent reusability and well stability. Besides, the degradation efficiency was over 90% after the CTCNF-800 kept in air without illumination for 1 year, indicating its outstanding durability. The CTCNF film photocatalyst demonstrates tremendous potential in practical application for purification of wastewater. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00222461
- Volume :
- 54
- Issue :
- 5
- Database :
- Complementary Index
- Journal :
- Journal of Materials Science
- Publication Type :
- Academic Journal
- Accession number :
- 133453285
- Full Text :
- https://doi.org/10.1007/s10853-018-3105-7