Highly Efficient Red Cabbage Anthocyanin Inserted TiO₂ Aerogel Nanocomposites for Photocatalytic Reduction of Cr(VI) under Visible Light.
Highly Efficient Red Cabbage Anthocyanin Inserted TiO₂ Aerogel Nanocomposites for Photocatalytic Reduction of Cr(VI) under Visible Light.
复制标题
高效红甘蓝花青素插入 TiO2 气凝胶纳米复合材料用于可见光下光催化还原 Cr(VI)
DOI:
10.3390/nano8110937
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发表时间:
2018-11-14
期刊:
影响因子:
--
通讯作者:
Yan Z
中科院分区:
文献类型:
--
作者:
Yang H;Jiang L;Li Y;Li G;Yang Y;He J;Wang J;Yan Z
In sharp contrast to conventional photosensitization methods in which the organic pigments were often adsorbed, herein we present a study on natural vegetable pigment inserted TiO2 aerogel nanocomposites and we directly use red cabbage anthocyanin (RCP) as a structure-directing agent. It was found that pure TiO2 aerogel nanocomposite did not exhibit any meaningful activity for photocatalytic reduction of Cr(VI). However, the photocatalytic reduction activity was greatly improved by the RCP inserted TiO2 aerogel nanocomposites under visible-light irradiation, which was approximately 2- and 12.3-fold higher than that of TiO2 aerogel conventionally photosensitized by RCP and pure TiO2 aerogel nanocomposites, respectively. It also exhibited good stability and could be reused at least three times without losing a significant amount of its activity.
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