He Gaohong   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : Director of R & D Center of Membrane Science and Technology

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Language:English

Paper Publications

Title of Paper:CdS-TiO_2复合多孔材料的制备及其催化活性

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Date of Publication:2011-11-15

Journal:化工进展

Included Journals:PKU、ISTIC

Issue:S2

Page Number:303-306

ISSN No.:1000-6613

Key Words:TiO_2;CdS;化学浴沉积;光催化

Abstract:以钛酸异丙酯(TIP)为前体,采用基于表面活性剂自组装软模板技术合成有序纳米孔二氧化钛材料(TiO_2),以连续化学浴沉积(S-CBD)法在此二氧化钛多孔材料上沉积硫化镉(CdS)制备新型的复合材料(CdS-TiO_2)。利用紫外-可见吸收光谱(UV-vis)、X射线衍射光谱(XRD)、场发射扫描电子显微镜(FE-SFM)等对其进行表征。结果表明,CdS成功地沉积到二氧化钛(TiO_2)的表面,而TiO_2的有序孔结构没有发生明显变化。CdS-TiO_2复合材料的吸收光谱扩展到可见光区域,其光催化活性较单独的多孔二氧化钛有显著的增强。

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