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学科主题: 物理化学
题名: Interlayer Expansion of the Layered Zeolite Precursor RUB-39: A Universal Method To Synthesize Functionalized Microporous Silicates
作者: Gies, Hermann1;  Mueller, Ulrich2;  Yilmaz, Bilge2;  Tatsumi, Takashi4;  Xie, Bin3;  Xiao, Feng-Shou3, 5;  Bao, Xinhe6;  Zhang, Weiping6;  De Vos, Dirk7
通讯作者: HermannGies
关键词: interlayer expansion ;  zeolite ;  crystal structure ;  IEZ-RRO ;  Rietveld analysis ;  RUB-39
刊名: CHEMISTRY OF MATERIALS
发表日期: 2011-05-24
DOI: 10.1021/cm103506q
卷: 23, 期:10, 页:2545-2554
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 502
产权排名: 6, 7
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Materials Science, Multidisciplinary
摘要: Interlayer Expansion of the Layered Zeolite Precursor RUB-39: A Universal Method To Synthesize Functionalized Microporous Silicates
研究领域[WOS]: Chemistry ;  Materials Science
英文摘要: Interlayer expansion reaction leads to a new family of microporous framework silicates using hydrous layer silicates as precursors. Using silylating agents such as dichlor-dimethylsilane (DCDMS), neighboring layers connect. In addition to the topotactic condensation of hydrous silicates, this leads to expanded silicate frameworks, with the number of pore openings increased by two Si-units. The hydrous layer silicate RUB-39 has been subjected to interlayer expansion reaction, using DCDMS at 180 degrees C, yielding new, crystalline microporous frameworks (COE-1 and COE-2), varying in their methyl function carrying as-made and oxidized calcined forms, respectively. An intersecting two-dimensional (2D) channel system with 10- and 12-membered rings is accessible for probe molecules, leading to a surface area of 540 m(2)/g and a pore volume of 0.169 cm(3)/g. The powder diagram was indexed in space group P2 with a = 15.609(3) angstrom, b = 11.163(1) angstrom, c= 7.301(1) angstrom, and beta = 91.2(1)degrees for COE-1 and a = 15.594(4) angstrom, b = 11.039(2) angstrom, c = 7.276(1) angstrom, and beta = 91.2(1)degrees for calcined COE-2. Rietveld of the powder X-ray diffractometry (PXRD) diagram confirmed the framework topology for COE-1 and COE-2 (chi(2) = 8.0 and 9.9, respectively) and showed that the silicate framework suffers from stacking disorder after interlayer expansion reaction. DIFFaX simulations allowed for the modeling of the stacking disorder, showing that RRO- and HEU-type stacking occurs.
关键词[WOS]: TOPOTACTIC CONDENSATION ;  SUBSEQUENT HYDROLYSIS ;  CRYSTAL-STRUCTURE ;  HIGH-EFFICIENCY ;  ALKOXY GROUPS ;  EPOXIDATION ;  ALKOXYSILYLATION ;  MWW ;  TITANOSILICATE ;  ALKENES
语种: 英语
WOS记录号: WOS:000290594700008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115497
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.Ruhr Univ Bochum, Inst Geol Mineral & Geophys, D-44780 Bochum, Germany
2.BASF SE, D-67056 Ludwigshafen, Germany
3.Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China
4.Tokyo Inst Technol, Chem Resources Lab, Yokohama, Kanagawa 227, Japan
5.Zhejiang Univ, Dept Chem, Hangzhou 310003, Zhejiang, Peoples R China
6.Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian, Peoples R China
7.Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, Leuven, Belgium

Recommended Citation:
Gies, Hermann,Mueller, Ulrich,Yilmaz, Bilge,et al. Interlayer Expansion of the Layered Zeolite Precursor RUB-39: A Universal Method To Synthesize Functionalized Microporous Silicates[J]. CHEMISTRY OF MATERIALS,2011,23(10):2545-2554.
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