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题名: Solvothermal synthesis of mixed-ligand metal-organic framework ZIF-78 with controllable size and morphology
作者: Ban, Yujie1, 2;  Li, Yanshuo1;  Liu, Xinlei1, 2;  Peng, Yuan1, 2;  Yang, Weishen1
关键词: Metal-organic frameworks ;  Zeolitic imidazolate frameworks ;  ZIF-78 ;  Morphology ;  Mixed-ligands
刊名: MICROPOROUS AND MESOPOROUS MATERIALS
发表日期: 2013-06-01
DOI: 10.1016/j.micromeso.2013.01.031
卷: 173, 页:29-36
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: ZIF-78 is a prototypical mixed-ligand compound among metal-organic frameworks (MOFs), with the composition of divalent zinc cations bridging by 2-nitroimidazolate (nIm) and 5-nitrobenzimidazolate (nbIm) anions. ZIF-78 belongs to hexagonal space group (P6(3)/mmc) with a GME topology. Owing to the anisotropic pore structure and good affinity to CO2, ZIF-78 has potential applications in adsorption and separation fields. Herein, morphological control of ZIF-78 crystals was achieved via solvothermal synthesis. XRD, SEM, NMR, and adsorption characterizations were performed to study the crystalline phase, morphology, composition and adsorption behavior of obtained crystals, respectively. ZIF-78 micro-crystals with shape of the hexagonal rods were prepared with the assistance of triethylamine. The size and the aspect ratios of ZIF-78 microrods were manipulated from the "slender" to the "squat" via varying the nutrient concentration, the ligand concentration or relative molar ratio of nIm to nbIm. (c) 2013 Elsevier Inc. All rights reserved.
关键词[WOS]: ZEOLITIC IMIDAZOLATE FRAMEWORKS ;  MOLECULAR-SIEVE MEMBRANE ;  MICROWAVE SYNTHESIS ;  SECONDARY GROWTH ;  SEPARATION ;  NANOCRYSTALS ;  CRYSTALS ;  CAPTURE ;  FUNCTIONALIZATION ;  SELECTIVITY
语种: 英语
WOS记录号: WOS:000318210100005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137760
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:
Ban, Yujie,Li, Yanshuo,Liu, Xinlei,et al. Solvothermal synthesis of mixed-ligand metal-organic framework ZIF-78 with controllable size and morphology[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2013,173:29-36.
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