Adsorption and diffusion in thin films of nanoporous metal–organic frameworks: ferrocene in SURMOF Cu2(ndc)2(dabco)
文献信息
The adsorption and diffusion of ferrocene (FC) in thin MOF films of type Cu2(ndc)2(dabco) were studied by X-ray diffraction and using a quartz-crystal microbalance (QCM) at different temperatures. A quantitative analysis of the uptake curves in the QCM during loading with FC from the gas phase yields 0.19 FC compounds per pore at a temperature of 305 K and of 0.06 at 335 K, respectively. From an analysis of this temperature dependence we obtain an adsorption enthalpy of −30 kJ mol−1. A quantitative analysis of the time dependence of the QCM uptake curves yields very small diffusivities on the order of 10−19 to 10−17 m2 s−1, while the activation energy for diffusion amounts to +90 kJ mol−1. These results show that using a quartz crystal microbalance for uptake studies in SURMOFs is a valuable tool for investigating very slowly diffusing compounds in nanoporous materials.
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Helvetica Chimica Acta

Journal of Physics and Chemistry of Solids

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Proceedings of the National Academy of Sciences of the United States of America

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Journal of Organometallic Chemistry

Journal of Catalysis
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.




