期刊
COORDINATION CHEMISTRY REVIEWS
卷 349, 期 -, 页码 169-197出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2017.08.017
关键词
Metal-organic frameworks; Structural defects; Detection; Defects control
资金
- South African Department of Science and Technology [HTC004X]
- National Research Foundation [HTC063X, HTC079X]
- National Natural Science Foundation of China [21602135]
- Council for Scientific and Industrial Research [HTC066P]
Research on metal-organic framework (MOF) materials has gathered increasing interest starting from the early excitement as porous materials for gas storage down to various novel applications as catalysts, heat energy storage materials, chemical sensors, drug delivery and electronic-related devices. Towards these envisioned applications, the specific properties of MOFs need to be tailored strategically to achieve the optimized performance. Since the structural defects in MOFs were recognized by MOF research community, the introduction of defects into MOF structures has been proposed as a way to alter their performance behaviours for the intended applications. For example, MOFs structural defects have been demonstrated to be beneficial in applications such as by leading to: (a) improved gas diffusion and mass transport caused by missing linker and metal vacancies, (b) enhanced catalytic performance caused by the open metal sites, (c) optimized operation of MOF-battery materials by grafted metal ions or counter-ions at defects and (d) other effects on electronic, magnetic or optical functionalities. This review starts with a discussion on the presence and formation of the structural defects in MOFs and thereafter highlights the latest advances in the detection techniques of MOF defects. Later, the discussion focusses on defects' control towards practices of various interests and finally outlines possible future research directions for MOFs' defects. (C) 2017 Elsevier B.V. All rights reserved.
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