Electro-catalytic characterization and dye degradation of Ti1−x(Bi)xO2 in acidic solution
2012
The authors in this study used the sol–gel process to prepare Bi-doped TiO2 as a novel electrocatalyst. Results show that Bi can be doped successfully into TiO2 from 1% to 90%. The electrical conductivity of a 1% Bi-doped TiO2 particle-suspended solution is increased nearly twice that of pure TiO2. The electro-catalyzing property of the synthesized Bi-doped TiO2 catalyst was performed under acidic conditions toward a methyl blue dye solution. The observed removal percentage of methyl blue dye was from 5% to 75%. The optimized electro-catalyzing condition was observed at 5% Bi-doped TiO2 with a working voltage of 5 V. # 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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