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Photocatalytic Effect for TiO2/ACF Composite Electrochemically Prepared with TNB Electrolyte
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  • Journal title : Carbon letters
  • Volume 8, Issue 3,  2007, pp.177-183
  • Publisher : Korean Carbon Society
  • DOI : 10.5714/CL.2007.8.3.177
 Title & Authors
Photocatalytic Effect for TiO2/ACF Composite Electrochemically Prepared with TNB Electrolyte
Chen, Ming-Liang; Lim, Chang-Sung; Oh, Won-Chun;
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[ ]ACF composites were prepared by the electrochemical method with Titanium (IV) n-butoxide (TNB) electrolyte under different electrochemical operation time. The BET surface area for /ACF composites decrease with the increase of electrochemical operation time. There is a single crystal structure which is anatase in all of the samples from the data of XRD. The SEM micrphotographs of /ACF composites show that the particles were well mixed with the ACF. There are O and P with strong C and Ti peaks in all samples from EDX results, and it also shows that a decrease of the C content with a increasing of Ti content with increasing of the electrochemical operation time in the over all composites. DSC cures show that the exothermic peak of all composites at represents the transformation heat of amorphous parts to anatase phase and the discontinuous grain growth of the transformed anatase particles. Finally, the excellent photoactivity of /ACF composites (especially, ACFT10) could be attributed that the decrease of concentration of MB can be concluded to be much faster for the adsorption by ACF than for photocatalytic decomposition by .
Titanium (IV) n-butoxide (TNB);Activated carbon fiber;BET;XRD;SEM;EDX;DSC;photoactivity;
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