TiO2/ACF光催化材料的制备与特性

纺织学报 ›› 2011, Vol. 32 ›› Issue (8): 21-24.

TiO2/ACF光催化材料的制备与特性

张秀林¹,张越²,刘庆生²,邓炳耀³

1. 江苏省无锡市江南大学纺织服装学院
2.
3. 江南大学纺织服装学院

收稿日期:2010-08-26 修回日期:2010-11-25 出版日期:2011-08-15 发布日期:2011-08-15
通讯作者: 邓炳耀 E-mail:bydeng168@163.com
基金资助:
省级

The preparation and characteristics of TiO_2/ACF photocatalytic material

Received:2010-08-26 Revised:2010-11-25 Online:2011-08-15 Published:2011-08-15

摘要/Abstract

摘要： 本文采用溶胶-凝胶法制得TiO_2溶胶，并将TiO_2溶胶和粘胶基非织造布通过浸渍-干燥、磷酸活化和煅烧工艺一步法制备得到TiO_2/ACF光催化材料。采用EDAX、XRD、SEM对样品进行表征，同时测试了样品对亚甲基蓝溶液的催化降解性能。结果表明：样品负载上了锐钛矿型和金红石型的混晶的TiO_2；而且在样品的纤维上出现了孔洞，形成活性碳纤维；同时在20w紫外灯照射下，TiO_2/ACF光催化材料表现出了优异的光催化降解性能，500℃碳化条件得到的TiO_2/ACF光催化材料光催化降解亚甲基蓝溶液的脱色率达到98.83%。

关键词: 纳米TiO_2, 磷酸活化, 活性碳纤维, 光催化

Abstract: TiO_2/ACF photocatalytic materials were prepared by the process including viscose-based nonwoven dipping in TiO_2 sol and drying, phosphoric acid activation, and calcining. The elements, crystalline structure, and surface morphology of samples were characterized by EDAX, XRD and SEM, respectively. In addition, the photocatalytic degradation of methylene blue in aqueous solution was used as a probe reaction to evaluate their photocatalytic activities. The result indicated that TiO_2 with anatase and rutile mixed-crystal phase was immobilized on the samples. Some holes were observed on the surface of the samples. TiO_2/ACF photocatalytic materials owned the excellent potocatalytic degradation performance under the light source of the UV lamp 20w. For the TiO_2/ACF material obtained by calcining at 500℃, the decoloration efficiency of methylene blue could reach 98.83%.

Key words: nano TiO_2, phosphoric acid activation, ACF, photocatalytic

张秀林张越刘庆生邓炳耀. TiO2/ACF光催化材料的制备与特性[J]. 纺织学报, 2011, 32(8): 21-24.

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