金属-有机骨架中粒径对蒸汽吸收和释放动力学的影响

IF 4.3 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications Pub Date : 2025-04-15 DOI:10.1039/d4cc03125c

Joshua Nicks, Cosmin Mudure, Jordan James, Alexander McDougall, William O. H. Hughes, John Spencer, Tina Düren, Andrew D Burrows

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引用次数: 0

摘要

减小金属有机骨架（mof） MIL-68（In）和ZIF-8的粒径会导致挥发性半化学客体的吸附增加。在释放动力学中观察到相反的趋势，MIL-68（in）的醋酸异丁酯释放速率随着粒径的增大而增大，而ZIF-8的释放速率则随着粒径的增大而减小，这可归因于与在离散孔隙之间移动相比，通过通道的扩散屏障较低。

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Particle Size Effects on Vapour Uptake and Release Dynamics in Metal-Organic Frameworks

Reducing the particle size of the metal-organic frameworks (MOFs) MIL-68(In) and ZIF-8 leads to increased adsorption of volatile semiochemical guests. Opposing trends were observed in release dynamics, with the release rate of isobutyl acetate increasing with particle size for MIL-68(In) and decreasing for ZIF-8, which can be attributed to the lower diffusion barriers through channels in comparion to moving between discrete pores.

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来源期刊

Chemical Communications 化学-化学综合

CiteScore

8.60

自引率

4.10%

发文量

2705

审稿时长

1.4 months

期刊介绍： ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.