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Synthesis of stable core–shell structured TiO₂@Fe₃O₄ based on carbon derived from yeast with an enhanced photocatalytic ability

Author:
Zhao, Xiaoxu, Lu, Ziyang, Kan, Jinyan, Yi, Chengwu, Gao, Nailing, Zhu, Zhi, Song, Minshan, Yan, Yongsheng, Wang, Yang, Zhang, Tong
Source:
RSC advances 2016 v.6 no.52 pp. 46889-46899
ISSN:
2046-2069
Subject:
carbon, photocatalysis, yeasts
Abstract:
By using yeast as the carbon source, stable core–shell structured TiO₂@Fe₃O₄ based on carbon (TiO₂@Fe₃O₄-carbon) was obtained. The photocatalytic activity of TiO₂@Fe₃O₄-carbon reached 82.6%, which was much higher than that of others; the enhanced photocatalytic activity originated from the good conductivity of carbon. Meanwhile, TiO₂@Fe₃O₄-carbon also exhibited excellent stability during the photocatalytic reaction after 6 repeated cycles. In addition, a plausible mechanism was proposed and discussed on the basis of experimental results.
Agid:
6405381