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学科主题: 物理化学
题名: Synthesis of ZIF-8 in a deep eutectic solvent using cooling-induced crystallisation
作者: Wang, Yasong1, 3;  Xu, Yunpeng1;  Ma, Huaijun1;  Xu, Renshun1;  Liu, Hao1, 3;  Li, Dawei1, 3;  Tian, Zhijian1, 2
通讯作者: 田志坚
关键词: ZIF-8 ;  Deep eutectic solvent ;  Metal-organic frameworks ;  Cooling crystallisation ;  Precipitation
刊名: MICROPOROUS AND MESOPOROUS MATERIALS
发表日期: 2014-09-01
DOI: 10.1016/j.micromeso.2014.04.016
卷: 195, 期:1, 页:50-59
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: We report an alternative route for the synthesis of ZIF-8 in a choline chloride-urea deep eutectic solvent (DES). Zinc nitrate hexahydrate and 2-methylimidazole were dissolved in the hot DES. The ZIF-8 sample could precipitate from the DES when the solution was cooled using rapid cooling or programmed cooling. The effect of the synthetic conditions, including the cooling rate of synthesis system and the reaction temperature, on the particle size and morphology of the ZIF-8 sample were investigated. The product was characterised using PXRD, SEM, TG, the particle size analysis and gas-sorption. When the system was chilled via rapid cooling, the product was 0.35 mu m in size, agglomerating to form irregular spheres. After programmed cooling, the product was 5-50 mu m with a rhombic dodecahedron or truncated rhombic dodecahedron morphology, depending on the cooling rate and reaction temperature. In addition, the precipitation of ZIF-8 in DES is also discussed. ZIF-8 synthesised in DES also displayed excellent thermal and chemical stability, as well as good gas adsorption and separation performances. (C) 2014 Elsevier Inc. All rights reserved.
关键词[WOS]: ZEOLITIC IMIDAZOLATE FRAMEWORKS ;  ROOM-TEMPERATURE SYNTHESIS ;  METAL-ORGANIC FRAMEWORKS ;  NANOCRYSTALS ;  GROWTH ;  MORPHOLOGY ;  SCATTERING ;  MECHANISM ;  CRYSTAL ;  STORAGE
语种: 英语
WOS记录号: WOS:000337770900008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144090
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, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, Beijing 10049, Peoples R China

Recommended Citation:
Wang, Yasong,Xu, Yunpeng,Ma, Huaijun,et al. Synthesis of ZIF-8 in a deep eutectic solvent using cooling-induced crystallisation[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2014,195(1):50-59.
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