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题名: Ionothermal synthesis of AlPO4 molecular sieves in the presence of quaternary ammonium cation
作者: Pei, Renyan1, 2;  Tian, Zhijian1;  Wei, Ying1, 2;  Li, Keda1, 2;  Xu, Yunpeng1;  Wang, Lei1;  Ma, Huaijun1
关键词: Ionothermal synthesis ;  Molecular sieves ;  Quaternary ammonium cation
刊名: MATERIALS LETTERS
发表日期: 2010-10-15
DOI: 10.1016/j.matlet.2010.06.060
卷: 64, 期:19, 页:2118-2121
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Materials Science, Multidisciplinary ;  Physics, Applied
研究领域[WOS]: Materials Science ;  Physics
英文摘要: Several aluminophosphate molecular sieves were synthesized ionothermally, in ionic liquid 1-butyl-3-methyl imidazolium bromide ([BMIm]Br) with adding various quaternary ammonium cation (quats, including tetramethyl ammonium (TMA(+)), choline, tetraethyl ammonium (TEA(+)), tetrapropyl ammonium (TPA(+)) and tetrabutyl ammonium (TBA(+))). These products were characterized by X-ray diffraction (XRD), C-13 nuclear magnetic resonance (NMR) and scanning electron microscope (SEM). The result indicates that the crystallization pathway is changed by adding these quats. AlPO4-42 (IZA code LTA) crystallizes when TMA(+) is added in the system, AlPO4-5 (AFI) crystallizes when choline or TEA(+) is added, and the AlPO4-11 (AEL) crystallizes when TPA(+) or TBA(+) is added. C-13 NMR analysis indicates that these introduced quats may either replace the [BMIm](+) to act as template alone, or direct structures cooperatively with the [BMIm](+), or in some cases they cannot change the original structure directing effect of [BMIm](+). (C) 2010 Elsevier B.V. All rights reserved.
关键词[WOS]: IONIC LIQUIDS ;  ALUMINOPHOSPHATE ;  ZEOLITE ;  FRAMEWORKS ;  SOLVENTS ;  AMINES
语种: 英语
WOS记录号: WOS:000281595100025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141938
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:
Pei, Renyan,Tian, Zhijian,Wei, Ying,et al. Ionothermal synthesis of AlPO4 molecular sieves in the presence of quaternary ammonium cation[J]. MATERIALS LETTERS,2010,64(19):2118-2121.
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