MNPs@ZIFs催化剂的研究进展

doi:10.16085/j.issn.1000-6613.2015.09.015

摘要/Abstract

摘要： 概括了将金属纳米颗粒(MNPs)嵌入或装载到沸石咪唑酯骨架材料(ZIFs)上构筑MNPs@ZIFs催化剂的方法,包括化学气相沉积法、固体研磨法、溶液浸渍法和自组装法,对其优缺点进行了讨论,并重点介绍了自组装法在制备MNPs@ZIFs催化剂时MNPs空间分布的可调控性;介绍了MNPs@ZIFs催化剂微结构的表征手段,特别是分析MNPs在ZIFs中空间分布的方法;探讨了MNPs@ZIFs催化剂在耦合、氧化、还原等反应中的催化性能,分析了其择形催化功能。在此基础上,提出了今后MNPs@ZIFs催化剂研究的主要方向是制备新型高稳定性且具有大孔径的ZIF材料、精确控制MNPs在ZIFs中的空间分布以及开发MNPs@ZIFs催化剂的工业化制备方法。

关键词: 沸石咪唑酯骨架材料, 金属纳米颗粒, 复合材料, 制备, 表征, 催化

Abstract: This paper summarized the preparation methods of embedding or loading metal nanoparticles (MNPs) into zeolitic imidazolate frameworks (ZIFs) for constructing MNPs@ZIFs catalysts,including metalorganic chemical vapour deposition,solid grinding,solution impregnation and self-assembly,in which the advantages and disadvantages of these methods were discussed respectively,and the self-assembly was particularly introduced due to its easy control over the spatial distribution of MNPs within ZIFs in the preparation of MNPs@ZIFs catalysts. The characterization methods of MNPs@ZIFs microstructure were described,especially for the method of analyzing the spatial distribution of MNPs within ZIFs. The catalytic performance of MNPs@ZIFs in many reactions,such as coupling,oxidation and reduction,was discussed,where the selective catalysis was emphatically analyzed. Based on all above,the preparation of novel and highly stable ZIF materials with large pore sizes,the precise control of MNPs spatial distribution within ZIFs and the development of industrial preparation methods of MNPs@ZIFs were jointly proposed as the main research orientation of MNPs@ZIFs in future.

Key words: zeolitic imidazolate frameworks, metal nanoparticles, composites, preparation, characterization, catalysis

中图分类号:

TQ426.61

薛松林, 晏青, 杜艳, 姜红, 陈日志. MNPs@ZIFs催化剂的研究进展[J]. 化工进展, 2015, 34(09): 3303-3310,3344.

XUE Songlin, YAN Qing, DU Yan, JIANG Hong, CHEN Rizhi. Advances in MNPs@ZIFs catalysts[J]. Chemical Industry and Engineering Progree, 2015, 34(09): 3303-3310,3344.

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