In situ synthesis of novel ZIF-8 membranes on polymeric and inorganic supports

被引：55
作者：
Isaeva, V. I. [1 ]
Barkova, M. I. [1 ]
Kustov, L. M. [1 ,2 ]
Syrtsova, D. A. [3 ]
Efimova, E. A. [3 ]
Teplyakov, V. V. [3 ]
机构：
[1] Russian Acad Sci, ND Zelinsky Inst Organ Chem, Moscow 119991, Russia
[2] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia
[3] Russian Acad Sci, AV Topchiev Petrochem Synth Inst, Moscow 119991, Russia
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2015年 / 3卷 / 14期
基金：
俄罗斯基础研究基金会; 俄罗斯科学基金会;
关键词：
METAL-ORGANIC FRAMEWORK; MIXED-MATRIX MEMBRANES; ZEOLITIC IMIDAZOLATE FRAMEWORKS; MOLECULAR-SIEVE MEMBRANE; HYDROGEN SELECTIVITY; MOF-MEMBRANE; SEPARATION; FILMS; CHROMATOGRAPHY; POLYDOPAMINE;
D O I：
10.1039/c5ta01178g
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The fabrication of integrated ZIF-8 membranes via a direct in situ crystallization on a porous polyacrylonitrile material and a composite aluminum zirconate based support was performed for the first time. A novel free-seeding synthetic procedure was accomplished without an elevated temperature and autogeneous pressure. The proper choice of the support in combination with the appropriate synthesis procedure allowed for the preparation of phase-pure polycrystalline ZIF-8 membranes. The gas permeation experiments indicated that dense ZIF-8 selective layers, including a multi-layer coating, were perfectly grown on both the supports. Our results revealed a strong impact of the support on the gas separation characteristics of the resulting ZIF-8 membranes.
引用
收藏
页码：7469 / 7476
页数：8
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