Bimetallic metal-organic frameworks for controlled catalytic graphitization of nanoporous carbons

Jing Tang, Rahul R. Salunkhe, Huabin Zhang, Victor Malgras, Tansir Ahamad, Saad M. Alshehri, Naoya Kobayashi, Satoshi Tominaka, Yusuke Ide, Jung Ho Kim, Yusuke Yamauchi

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360 Scopus citations


Single metal-organic frameworks (MOFs), constructed from the coordination between one-fold metal ions and organic linkers, show limited functionalities when used as precursors for nanoporous carbon materials. Herein, we propose to merge the advantages of zinc and cobalt metals ions into one single MOF crystal (i.e., bimetallic MOFs). The organic linkers that coordinate with cobalt ions tend to yield graphitic carbons after carbonization, unlike those bridging with zinc ions, due to the controlled catalytic graphitization by the cobalt nanoparticles. In this work, we demonstrate a feasible method to achieve nanoporous carbon materials with tailored properties, including specific surface area, pore size distribution, degree of graphitization, and content of heteroatoms. The bimetallic-MOF-derived nanoporous carbon are systematically characterized, highlighting the importance of precisely controlling the properties of the carbon materials. This can be done by finely tuning the components in the bimetallic MOF precursors, and thus designing optimal carbon materials for specific applications.
Original languageEnglish (US)
JournalScientific Reports
StatePublished - Jul 29 2016
Externally publishedYes

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Generated from Scopus record by KAUST IRTS on 2022-09-15

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