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Choi, Kyoung Jin
Energy Conversion Materials (EcoMAT) Lab
Research Interests
  • Solar cells, thermoelectrics, piezoelectric

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Preparation of TiO2 nanofibers immobilized on quartz substrate by electrospinning for photocatalytic degradation of ranitidine

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Title
Preparation of TiO2 nanofibers immobilized on quartz substrate by electrospinning for photocatalytic degradation of ranitidine
Author
Choi, Kyoung JinHong, Seok Won
Keywords
Immobilized nanofibers; Photocatalytic activity; Ranitidine; TiO 2 nanofibers
Issue Date
2012-04
Publisher
SPRINGER
Citation
RESEARCH ON CHEMICAL INTERMEDIATES, v.38, no.6, pp.1161 - 1169
Abstract
The photocatalytic activity of TiO 2 nanofibers immobilized on quartz substrates was investigated by evaluating the decomposition of organic pollutants. TiO 2 nanofibers were synthesized by electrospinning the Ti-precursor/polymer mixture solution, followed by hot-pressing for enhancing the adhesion of TiO 2-nanofiber films to the substrates. TiO 2 started to crystalize in the anatase form at 500 °C and reached the optimal photocatalytic anatase/rutile phase ratio of 70:30 at a calcination temperature of 600 °C. The TiO 2-nanofiber film was demonstrated to be an efficient photocatalyst by ranitidine decomposition under UV illumination and was proven to have a comparable photocatalytic activity with the well-known Degussa P25 nanoparticulate photocatalyst and excellent recyclability during 10 cycles of photocatalytic operation, indicating no loss of TiO 2 nanofibers during photocatalytic operations.
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DOI
10.1007/s11164-011-0455-z
ISSN
0922-6168
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MSE_Journal Papers
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