Abstract
TiO2-based nanofibers were synthesized using a sol–gel method and electrospinning technique. The as-spun composite fibers were heat-treated at different temperatures (500°C, 550°C, 600°C, and 650°C) and atmospheres (ammonia and nitrogen) for 4 h. The fibers had diameters of 50 to 200 nm and mainly featured anatase and rutile phases. The anatase phase decreased and the rutile phase increased with increasing temperature. Different nitrogen conditions exerted minimal effects on the TiO2 crystalline phase. Different nitriding atmospheres during preservation heating yielded various effects on fibers. The effect of nitrogen in ammonia atmosphere is better than that in nitrogen atmosphere. The fibers heat-treated at 600°C and subjected to preservation heating in NH3 showed high photocatalytic activity.
Highlights
Heterogeneous photocatalysis has been extensively investigated by researchers for the degradation of organic pollutants [1,2]
Thermoanalysis of composite fibers TG-DSC was performed on the PVP-Ti composite fibers mat
In summary, TiO2 fibers doped with non-metals (C and N) and with diameters of 100 nm were successfully produced by the electrospinning technique
Summary
Heterogeneous photocatalysis has been extensively investigated by researchers for the degradation of organic pollutants [1,2]. The as-obtained fibers were calcined at a temperature range of 500°C to 650°C at a heating rate of 1°C/min. About 20 mg of photocatalytic materials, including the heat-treated fibers at different temperatures and P25 TiO2 powders, was added into quartz tubes.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
