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Ionothermal synthesis of gallophosphate molecular sieves in 1-alkyl-3-methyl imidazolium bromide ionic liquids
Ma, Huaijun1,2; Xu, Renshun1,2; You, Wansheng3; Wen, Guodong1,2; Wang, Shaojun4; Xu, Yan3; Wang, Bingchun1,2; Wang, Lei1; Wei, Ying1,2; Xu, Yunpeng1; Zhang, Weiping1; Tian, Zhijian1; Lin, Liwu1; Tian ZJ(田志坚)
KeywordIonothermal Synthesis Ionic Liquid Molecular Sieve Gallophosphate Single Crystal
Source PublicationMICROPOROUS AND MESOPOROUS MATERIALS
2009-04-15
DOI10.1016/j.micromeso.2008.11.018
Volume120Issue:3Pages:278-284
Indexed BySCI
SubtypeArticle
Department8
Funding Project802
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS KeywordMETAL-ORGANIC FRAMEWORKS ; X-RAY CHARACTERIZATION ; ALCOHOLIC SYSTEM ; POROUS MATERIALS ; FLUORIDE ROUTE ; ZEOLITE ; TEMPLATE ; SOLVENTS ; CLOVERITE ; CRYSTALS
AbstractGallophosphate (GaPO4) molecular sieves were ionothermally prepared in 1-alkyl-3-methyl imidazolium bromide ionic liquids (ILs) with alkyl chain length varying from 2 to 6 carbons for the first time. Three kinds of GaPO4 materials such as GaPO4-a, cloverite (denoted as CLO below) and GaPO4-LTA were obtained, and their structures and morphologies were characterized by powder and single crystal XRD, SEM and multi-nuclear NMR. In the case of 1-ethyl-3-methyl imidazolium bromide ionic liquid, large single crystals Of GaPO4-LTA with well-defined octahedral morphology was obtained in both sealed (ca. 400 mu m in size) and open vessels (ca. 300 mu m in size). Ionothermal synthesis is an effective method for the preparation of large single crystal of molecular sieves. With the alkyl chain length of the ionic liquids increasing from 2 carbons to 6 carbons, the size Of GaPO4-LTA decreased sharply. The organic template cations in the as-synthesized GaPO4-LTA crystals may have two different kinds of conformational structures. Fluorine plays a role of co-template along with organic cations of ILs in the synthesis Of GaPO4-LTA and CLO, while only GaPO4-a was obtained in the absence of fluorine. The reaction temperature can also affect the structure of the final structure. In the reaction medium of 1-ethyl-3-methyl imidazolium bromide IL, GaPO4-LTA was obtained at 180 degrees C, while CLO was obtained at 150 degrees C. Crown Copyright (C) 2008 Published by Elsevier Inc. All rights reserved.
Language英语
URL查看原文
WOS IDWOS:000264971200014
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/102135
Collection中国科学院大连化学物理研究所
Corresponding AuthorTian ZJ(田志坚)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
3.Liaoning Normal Univ, Inst Chem Functionalized Mat, Dalian 116029, Peoples R China
4.Dalian Polytech Univ, Dept Chem Engn, Dalian 116034, Peoples R China
Recommended Citation
GB/T 7714
Ma, Huaijun,Xu, Renshun,You, Wansheng,et al. Ionothermal synthesis of gallophosphate molecular sieves in 1-alkyl-3-methyl imidazolium bromide ionic liquids[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2009,120(3):278-284.
APA Ma, Huaijun.,Xu, Renshun.,You, Wansheng.,Wen, Guodong.,Wang, Shaojun.,...&田志坚.(2009).Ionothermal synthesis of gallophosphate molecular sieves in 1-alkyl-3-methyl imidazolium bromide ionic liquids.MICROPOROUS AND MESOPOROUS MATERIALS,120(3),278-284.
MLA Ma, Huaijun,et al."Ionothermal synthesis of gallophosphate molecular sieves in 1-alkyl-3-methyl imidazolium bromide ionic liquids".MICROPOROUS AND MESOPOROUS MATERIALS 120.3(2009):278-284.
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