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磁性Fe_3O_4@C@Cu_2O纳米复合物的制备及其光催化性能

Preparation of Magnetic Fe_3O_4@C@Cu_2O Nanocomposites and Its Photocatalytic Property
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摘要 以Fe3O4和葡萄糖碳化反应制备出的Fe3O4@C为载体,利用C层有助吸附Cu2+,将Cu2+吸附在Fe3O4@C表面,然后用乙二醇做还原剂成功制备出Fe3O4@C@Cu2O纳米复合物.并利用X-射线衍射分析(XRD)、透射电子显微镜(TEM)对产物的结晶程度和显微结构进行表征.探究不同反应温度、反应时间和乙二醇用量对制备Fe3O4@C@Cu2O纳米复合物的影响.以Fe3O4@C@Cu2O作为可见光光催化剂降解罗丹明B的实验结果表明,Fe3O4@C@Cu2O具有较高的光催化活性,光照120 min后罗丹明B的降解率达到67%. Based on carbonization of glucose Fe3O4, Fe3O4@C is synthesized, and then Fe3O4@C@Cu2O nano- composite is successfully prepared through the adsorption of Cu2＋ on the surface of Fe3O4@C using ethylene glycol as reducing agent.The as-prepared samples are characterized by XRD and TEM for their crystallinity and microstructure, and the effects of reaction temperature, reaction time and amount of ethylene glycol on the formation of Fe3O4@C@Cu2O nanocomposites are studied.The Fe3O4@C@Cu2O nanocomposite is applied as a visible light-driven photocatalyst toward the degradation reaction of rhodamine B （RB）, exhibiting the superior photocatalytic performance,and the degradation rate of RB reached 67% after 120 min illumination.
作者 陈敏敏 杨清雅 姜健 栾晓雯 李龙凤 张茂林
机构地区 淮北师范大学化学与材料科学学院
出处 《淮北师范大学学报（自然科学版）》 CAS 2015年第3期45-48,86,共5页 Journal of Huaibei Normal University：Natural Sciences
基金 安徽省高校省级自然科学研究项目(KJ2013A231 KJ2014A230)
关键词 溶剂热还原 Fe3O4@C@Cu2O 纳米复合物 制备 solvothermal reduction Fe3O4@C@Cu2O nanocomposite preparation
分类号 O611 [理学—无机化学]
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参考文献13

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淮北师范大学学报（自然科学版）
2015年 第3期

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