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题名: Synthesis of Zr-MCM-41 by the assistance of sodium chloride in the self-generated acid conditions
作者: Yang, Xiaomei1;  Zhou, Lipeng1;  Chen, Chen2;  Xu, Jie2
关键词: Oxides ;  Sol-gel growth ;  Chemical synthesis ;  Composite materials
刊名: MATERIALS CHEMISTRY AND PHYSICS
发表日期: 2010-03-15
DOI: 10.1016/j.matchemphys.2009.10.018
卷: 120, 期:1, 页:42-45
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Multidisciplinary
研究领域[WOS]: Materials Science
英文摘要: Zr-MCM-41 materials were synthesized by the hydrothermal method in the presence of ZrOCl(2) and NaCl. The characterization results showed that Zr was highly dispersed in the tetrahedral environment of silica framework. In the synthesis process, the self-generated acidity by the hydrolysis of ZrOCl(2) acted as the catalyst for TEOS hydrolysis. In order to form the ordered structure of Zr-MCM-41, the addition of NaCl in the synthesis gel was essential and the optimum NaCl/Si molar ratio was 1.0. The ordering of Zr-MCM-41 was also influenced by the content of Zr, which decreased gradually with the increase of Zr content. (C) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: MESOPOROUS MOLECULAR-SIEVES ;  PHYSICOCHEMICAL PROPERTIES ;  LIQUID-PHASE ;  CATALYSTS ;  MCM-41 ;  OXIDATION ;  TI ;  TI-MCM-41 ;  ZIRCONIUM ;  VANADIUM
语种: 英语
WOS记录号: WOS:000274774900009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141780
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Zhengzhou Univ, Dept Chem, Zhengzhou 450001, Henan, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Yang, Xiaomei,Zhou, Lipeng,Chen, Chen,et al. Synthesis of Zr-MCM-41 by the assistance of sodium chloride in the self-generated acid conditions[J]. MATERIALS CHEMISTRY AND PHYSICS,2010,120(1):42-45.
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