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多孔TiO2粉体的水热合成及其光催化性能
  • ISSN号：1001-7011
  • 期刊名称：《黑龙江大学自然科学学报》
  • 时间：0
  • 分类：O643[理学—物理化学;理学—化学]
  • 作者机构：[1]黑龙江大学化学化工与材料学院,黑龙江哈尔滨150080, [2]哈尔滨商业大学食品工程学院,黑龙江哈尔滨150076
  • 相关基金：国家自然科学基金资助项目（20431030）;哈尔滨市科技创新人才基金（2006RFQXS096）;黑龙江大学杰出青年基金资助项目（2005）
作者： 姜黎明[1,2], 杨威[2], 历荣[1], 辛柏福[1], 颜焱[1]
关键词： 二氧化钛, 多孔材料, 水热合成, 光催化, titania, porous materials, hydrothennal synthesis , photocatalysis
中文摘要：

以有机小分子β环糊精（β-CD）为模板剂，采用水热法制备了多孔TiO2纳米粉体。利用TGA、FT-IR、XRD、BET、N2adsorption-sorption等方法对样品进行了测试和表征。研究了体系pH值、模板剂添加量等因素对合成材料的比表面及其光催化性能的影响。实验结果表明：当体系pH=1、β-CD／TiO2=60wt％时，可获得最可几孔径为4．3nm，孔径分布较窄（3—5nm），比表面积达216．2m^2·g^-1的多孔TiO2纳米粉；且该粉体具有较好的光催化效果。

英文摘要：

Nanopomus titania powders were prepared under hydmthermal conditions by employing organic compounds β -cyclodextrin（CD） as template, and characterized by means of TGA,FT -IR,XRD,BET and N2 adsorption - sorption. The effects of the pH value and template content on the specific surface area and photocatalytic performance of porous titania were discussed. The nanoporous titania powders with most probable pore size 4. 3 nm, a narrow pore size distribution from 3 to 5 nm and specific surface area up to 216. 2 m^2·g^-1 were prepared under the pH = 1 and β - CD/TiO2 = 60 wt% conditions, and the powders have the best photocatalytic activity.

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钙钛矿型有机/无机杂化半导体材料的分子剪裁与组装
期刊论文 177 会议论文 30 著作 1
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期刊信息
  • 《黑龙江大学自然科学学报》
  • 北大核心期刊（2011版）
  • 主管单位:黑龙江省教育厅
  • 主办单位:黑龙江大学
  • 主编：霍丽华
  • 地址：哈尔滨市学府路74号
  • 邮编：150080
  • 邮箱：hdxb@vip.sohu.com
  • 电话：0451-86608818
  • 国际标准刊号：ISSN：1001-7011
  • 国内统一刊号：ISSN：23-1181/N
  • 邮发代号:14-114
  • 获奖情况:
  • 国内外数据库收录:
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  • 被引量:4204