水热法制备海绵钛负载 TiO2 膜

doi:10.3724/SP.J.1077.2011.00155

无机材料学报 ›› 2011, Vol. 26 ›› Issue (2): 155-158.DOI: 10.3724/SP.J.1077.2011.00155 CSTR: 32189.14.SP.J.1077.2011.00155

水热法制备海绵钛负载 TiO₂ 膜

赵昀云, 徐华蕊,朱归胜

桂林电子科技大学材料科学与工程学院, 桂林 541004

收稿日期:2010-05-06 修回日期:2010-07-09 出版日期:2011-02-20 网络出版日期:2011-01-21
作者简介:赵昀云(1983-), 男, 硕士研究生. E-mail: qinming530@163.com
基金资助:
教育部“新世纪优秀人才计划”专项(NCET-06-0758)

HydrothermalPreparation of TiO₂ Films on Titanium Sponge Substrate

ZHAO Yun-Yun, XU Hua-Rui, ZHU Gui-Sheng

School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China

Received:2010-05-06 Revised:2010-07-09 Published:2011-02-20 Online:2011-01-21
Supported by:
New Century Excellent Talents in University ( NCET-06-0758)

摘要/Abstract

摘要： 以H₂O₂为氧化剂、KOH为矿化剂, 采用一步水热法在多孔海绵钛载体上制备了颗粒大小约为0.5μm的四方状锐钛矿TiO₂膜, 并研究了产物TiO₂膜对目标降解物亚甲基蓝溶液的光催化性能, 探讨了矿化剂浓度对产物TiO₂膜晶型、形貌及光催化性能的影响. 结果表明, KOH矿化剂有利于TiO₂膜在海绵钛表面的生成与晶化, 当KOH在0.12mol/L时, 海绵钛负载TiO₂膜有着最佳的光催化性能光催化反应45min, 亚甲基蓝溶液的降解率达95%. 采用该法制备的TiO₂光催化剂回收简单, 反复利用后, 其光催化性能无明显下降.

关键词: 海绵钛, 二氧化钛膜, 光催化降解

Abstract: Anatase-type titanium dioxide filmson the titanium sponge substrate with grain size of about 0.5 m m were prepared by onestep hydrothermal treatment using hydrogen peroxide as oxidant and potassiumhydroxide as mineralizer, and the photocatalytic property of the as-preparedfilms was determined by the degradation of the methylene blue under irradiationof UV light. The effects of the concentration of potassium hydroxide on the crystalphase, morphology and photocatalytic property of titanium dioxide films were alsostudied. The results showed that potassium hydroxide promoted the crystallizationof thetitaniumdioxide. And with a concentration of 0.12mol/L of potassium hydroxide solution,the film had the best photocatalytic property with a 95% degradation rate after45 min UV-irradiation. The as-prepared TiO₂ films could be easilyrecycled and the photocatalytic property of recycled films was not markedlydecreased.

Key words: sponge titanium, titanium oxide film, photocatalytic property

中图分类号:

O643

赵昀云, 徐华蕊,朱归胜. 水热法制备海绵钛负载 TiO₂ 膜[J]. 无机材料学报, 2011, 26(2): 155-158.

ZHAO Yun-Yun, XU Hua-Rui, ZHU Gui-Sheng. HydrothermalPreparation of TiO₂ Films on Titanium Sponge Substrate[J]. Journal of Inorganic Materials, 2011, 26(2): 155-158.

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水热法制备海绵钛负载 TiO₂ 膜

HydrothermalPreparation of TiO₂ Films on Titanium Sponge Substrate

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