Fe-doped TiO2/SiO2 nanofibrous membranes with surface molecular imprinted modification for selective photodegradation of 4-nitrophenol

Xiaoqiang Li; Jidong Wang; Mengjuan Li; Yang Jin; Zhijie Gu; Changchun Liu; Kenji Ogino

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Fe-doped TiO2/SiO2 nanofibrous membranes with surface molecular imprinted modification for selective photodegradation of 4-nitrophenol

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In this study,Fe-doped TiO2/SiO2 (Fe@TS) nanofibrous membranes with molecular imprinted modification,were fabricated by a combination of sol-gel process,electrospinning,calcination and liquid phase deposition techniques.The precursor sol was prepared from one-pot condensation of poly (vinylpyrrolidone),ferric chloride hexahydrate,tetraethyl orthosilicate and titanium n-butoxide in the mixture solvents of N,N-dimethylformamide and ethyl alcohol.Fibrous membrane wasthen fabricated by electrospinning,followed by calcination to form the Fe@TS composite.The physicochemical properties of Fe@TS were characterized.Thereafter,4-nitrophenol (4NP) was used as the template to deposit onto nanofibrous Fe@TS membranes,with a thin layer of molecular imprinted polymer in liquid phase.The photodegradation capabilities of 4NP and methyl orange wereexamined in both single and binary systems.The results demonstrated that molecular imprinted Fe@TS membranes exhibited excellent selectivity for photodegradation of 4NP.

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《中国化学快报（英文版）》 |2018年第3期|527-530|共4页
作者
Xiaoqiang Li; Jidong Wang; Mengjuan Li; Yang Jin; Zhijie Gu; Changchun Liu; Kenji Ogino;
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Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture & Technology, Koganei-city, Tokyo 184-8588, Japan;

College of Textile & Clothing, Jiangnan University, Wuxi 214122, China;

College of Textile & Clothing, Jiangnan University, Wuxi 214122, China;

College of Textile & Clothing, Jiangnan University, Wuxi 214122, China;

College of Textile & Clothing, Jiangnan University, Wuxi 214122, China;

Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture & Technology, Koganei-city, Tokyo 184-8588, Japan;

Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture & Technology, Koganei-city, Tokyo 184-8588, Japan;

Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture & Technology, Koganei-city, Tokyo 184-8588, Japan;

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Fe-doped TiO2/SiO2 nanofibrous membranes with surface molecular imprinted modification for selective photodegradation of 4-nitrophenol

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