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Novel magnetic AgBr/NiFe2O4 composite with enhanced visible light photocatalytic performance
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| 【文章作者】Ge, Ming;Hu, Zheng |
| 【文章摘要】 A magnetically separable AgBr/NiFe2O4 composite photocatalyst was synthesized for the first time by coupling a hydrothermal route with an ultrasound-assisted precipitation method. The photocatalytic activity of AgBr/NiFe2O4 photocatalyst was evaluated by the degradation of rhodamine B (RhB) under visible light irradiation. The as-synthesized AgBr/NiFe2O4 composite exhibited significantly higher photocatalytic performance than that of a single semiconductor. The remarkably enhanced photocatalytic performance of AgBr/NiFe2O4 composite was ascribed to the high specific surface area and efficient separation of electron hole pairs. The photodegradation of RhB was mainly achieved by superoxide radicals attack in AgBr/NiFe2O4 suspension. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved. |
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【卷】42 【ISSUE】5 【ISSUEID】815C0073
【文章期份】2016
【发布日期】2016/8/11 17:02:47
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