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

Published online by Cambridge University Press:  09 November 2018

Ahmed Awadallah-F ,
Febrian Hillman ,
Shaheen A. Al-Muhtaseb Open the ORCID record for Shaheen A. Al-Muhtaseb [Opens in a new window]  and
Hae-Kwon Jeong
Ahmed Awadallah-F
Affiliation:
Department of Chemical Engineering, Qatar University, P.O. Box 2713, Doha, Qatar
Febrian Hillman
Affiliation:
Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, USA
Shaheen A. Al-Muhtaseb*
Affiliation:
Department of Chemical Engineering, Qatar University, P.O. Box 2713, Doha, Qatar
Hae-Kwon Jeong
Affiliation:
Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, USA Department of Materials Science and Engineering, Texas A&M University, College Station, TX 77843-3122, USA
*
Address all correspondence to Shaheen A. Al-Muhtaseb at [email protected]
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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.

Type
Research Letters
Information
MRS Communications , Volume 9 , Issue 1 , March 2019 , pp. 288 - 291
Copyright
Copyright © Materials Research Society 2018 

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Footnotes

*

On leave from the Radiation Research of Polymer Department, National Centre for Radiation Research and Technology, Atomic Energy Authority, P.O. Box 29, Nasr City, Cairo, Egypt.

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