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Influence of doped metal center on morphology and pore structure of ZIF-8

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Abstract

Synthesis of ZIF with zinc, cobalt, or copper was carried out by microwaves. The effect of metal center on morphologies and pores of products was studied. Nitrogen adsorption/desorption onto ZIFs was examined by density functional theory. The micro, meso, and macropores of ZIF-8, Zn/Co-ZIF-8, and Cu/ZIF-8 ranged 99.814–99.969%, 0.055–0%, and 0.031–0.130%, respectively. Average pore sizes of ZIF-8, Zn/Co-ZIF-8, and Cu/ZIF-8 are 1.291, 1.194, and 1.164 nm, respectively. Monolayer saturation limits of nitrogen onto ZIF-8, Zn/Co-ZIF-8, and Cu/ZIF-8 were 21.152, 18.943, and 17.784 mmol/g, respectively. Further, the results included densities, total surface areas, total pore volumes, and average particle sizes of ZIF-8, Zn/Co-ZIF-8, and Cu/ZIF-8.

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ACKNOWLEDGMENTS

This publication was made possible by NPRP awards (NPRP 08-014-2-003 and NPRP-8-001-2-001) from Qatar National Research Fund (a member of Qatar Foundation). H.K.-J. acknowledges support from National Science Foundation (CMMI-1561897). Statements made herein are solely the responsibility of authors. Technical support from the Department of Chemical Engineering and Central Laboratory Unit (CLU) at Qatar University is also acknowledged.

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Correspondence to Shaheen A. Al-Muhtaseb.

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The supplementary material for this article can be found at https://doi.org/10.1557/mrc.2018.221.

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Awadallah-F, A., Hillman, F., Al-Muhtaseb, S.A. et al. Influence of doped metal center on morphology and pore structure of ZIF-8. MRS Communications 9, 288–291 (2019). https://doi.org/10.1557/mrc.2018.221

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  • DOI: https://doi.org/10.1557/mrc.2018.221

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