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题名: Synthesis of hierarchical porous materials with ZSM-5 structures via template-free sol-gel method
作者: Han, Wei;  Jia, Yuxin;  Xiong, Guoxing;  Yang, Weishen
关键词: hierarchical porous materials ;  Zsm-5 ;  sol-gel method ;  template-free
刊名: SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
发表日期: 2007
DOI: 10.1016/j.stam.2006.11.015
卷: 8, 期:1-2, 页:101-105
收录类别: SCI ;  ISTP
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: Interests are focused on preparation of hierarchical porous materials with zeolite structures by using soft or rigid templates in order to solve diffusion and mass transfer limitations resulting from the small pore sizes of zeolites. Here we develop a convenient template-free sol-gel method to synthesize hierarchical porous materials with ZSM-5 structures. This method involves hydrothermal recrystallization of the xerogel converted from uniform ZSM-5 sol by a vacuum drying process. By utilizing this method we can manipulate the size of zeolite nanocrystals as building units of porous structures based on controlling temperature of recrystallization, consequently obtain hierarchical porous materials with different intercrystalline pore sizes and ZSM-5 structures. (c) 2006 NIMS and Elsevier Ltd. All rights reserved.
关键词[WOS]: SURFACE-AREA ;  MECHANISM ;  ZEOLITES ;  GROWTH
语种: 英语
WOS记录号: WOS:000245537400018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140428
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Han, Wei,Jia, Yuxin,Xiong, Guoxing,et al. Synthesis of hierarchical porous materials with ZSM-5 structures via template-free sol-gel method[J]. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS,2007,8(1-2):101-105.
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