| 柔性Ag@TiO2/碳纳米纤维膜的制备及光催化性能 |
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| 引用本文： | 李会敏,王晓冬,李玥,丁恩普,吴丽洋,于翔,杨秀琴.柔性Ag@TiO2/碳纳米纤维膜的制备及光催化性能[J].电镀与涂饰,2021,40(5):393-399. |
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| 作者姓名： | 李会敏 王晓冬 李玥 丁恩普 吴丽洋 于翔 杨秀琴 |
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| 作者单位： | 河南理工大学材料科学与工程学院,河南 焦作 454001;河南工程学院化工与印染工程学院,河南 郑州 450007;河南理工大学材料科学与工程学院,河南 焦作 454001;河南工程学院化工与印染工程学院,河南 郑州 450007 |
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| 基金项目： | 河南省高校科技创新人才培养计划;国家自然科学基金青年基金;河南省科技攻关重点项目 |
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| 摘 要： | 首先通过静电纺丝、预氧化煅烧法制备出自支撑的柔性TiO2/碳纳米纤维膜(TiO2/CNFs),然后在AgNO3溶液中通过光沉积法制备出三元复合Ag@TiO2/CNFs光催化剂。该纤维膜可以直接从废水中取出,减少了过滤、离心等工艺步骤。同时,TiO2分散在碳纤维中,防止了纳米颗粒的团聚。相对于纯粉体TiO2,三元复合Ag@TiO2/CNFs膜对可见光的吸收明显提高,并表现出优异的光催化性能。当Ag占膜质量的理论百分比为1%时,Ag@TiO2/CNFs对罗丹明B的降解效果最好,光照150 min后降解率可达到95.30%。
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| 关 键 词： | 二氧化钛 碳纳米纤维 银 电纺丝 光催化 罗丹明B 降解 |
Preparation and photocatalytic activity of flexible Ag@TiO2/carbon nanofiber membrane |
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| LI Huimin,WANG Xiaodong,LI Yue,DING Enpu,WU Liyang,YU Xiang,YANG Xiuqin.Preparation and photocatalytic activity of flexible Ag@TiO2/carbon nanofiber membrane[J].Electroplating & Finishing,2021,40(5):393-399. |
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| Authors: | LI Huimin WANG Xiaodong LI Yue DING Enpu WU Liyang YU Xiang YANG Xiuqin |
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| Affiliation: | (Institute of Materials Science and Engineering,Henan Polytechnic University,Jiaozuo 454000,China;Department of Printing and Dyeing Chemical Engineering,Henan University of Engineering,Zhengzhou 450007,China) |
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| Abstract: | A self-supporting flexible titania/carbon nanofiber membrane(TiO2/CNFs)was prepared by electrospinning,preoxidation and calcination,and then deposited with silver in AgNO3 solution under illumination,forming a ternary Ag@TiO2/CNFs composite photocatalyst.The fiber membrane could be directly removed from the wastewater,eliminating the procedures such as filtration and centrifugation.TiO2nanoparticles were dispersed on carbon fibers,preventing the agglomeration of them.The ternary Ag@TiO2/CNFs composite membrane had much higher visible light absorbility than pure TiO2powder and exhibited excellent photocatalytic activity.When the theoretical percentage of Ag in the membrane was 1%by mass,Ag@TiO2/CNFs exhibited the best degradation effect on Rhodamine B,and the degradation rate reached to 95.30%after illumination for 150 min. |
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| Keywords: | titania carbon fiber silver electrospinning photocatalysis Rhodamine B degradation |
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