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Microfluidic reactors for the size-controlled synthesis of ZIF-8 crystals in aqueous phase

Abstract : Zeolitic imidazolate framework (ZIF-8) crystals can be produced effectively via continuous processes using either a single water phase or a biphasic water/alkane flow in a three-dimensional microchannel. ZIF-8 particles were characterized by SEM, TEM, XRD, BET and Raman spectroscopy. The microfluidic technology developed allows the fast synthesis (10 min) of ZIF-8 crystals over a wide size range (from ca. 300 to 900 nm) simply by varying the experimental parameters (flow rates, temperature, …), while maintaining the high specific surface of this material (ca. 1700 m2·g−1) and the sodalite crystalline structure. The microfluidic processes developed operate in water between 25 and 100 °C and at atmospheric pressure and are therefore valuable alternatives for the environmentally friendly preparation of ZIF-8 particles.
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https://hal.archives-ouvertes.fr/hal-01484054
Contributor : Raphaël Schneider <>
Submitted on : Monday, March 6, 2017 - 5:17:50 PM
Last modification on : Monday, April 6, 2020 - 2:44:04 PM

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Oleksii Kolmykov, Jean-Marc Commenge, Halima Alem, Emilien Girot, Kevin Mozet, et al.. Microfluidic reactors for the size-controlled synthesis of ZIF-8 crystals in aqueous phase. Materials and Design, Elsevier, 2017, 122, pp.31-41. ⟨10.1016/j.matdes.2017.03.002⟩. ⟨hal-01484054⟩

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