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Die Positronannihilations‐Lebensdauerspektroskopie bietet eine unvergleichliche Empfindlichkeit für kleinste Unterschiede in der Porenverknüpfung hierarchischer MFI‐Zeolithstrukturen, wie J. Pérez‐Ramírez et al. in ihrer Zuschrift auf S. 1611 ff. erläutern. Die Autoren finden einen direkten Zusammenhang zwischen den Zeolithstrukturen und ihrer Betriebszeit als Katalysator in der Umwandlung von Methanol...
Without techniques sensitive to complex pore architectures, synthetic efforts to enhance molecular transport in zeolite and other porous materials through hierarchical structuring lack descriptors for their rational design. The power of positron annihilation lifetime spectroscopy (PALS) to characterize the pore connectivity in hierarchical MFI zeolites is demonstrated, establishing a direct link with...
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