A solvent-assisted ligand exchange approach enables metal-organic frameworks with diverse and complex architectures

Dongbo Yu, Qi Shao, Qingjing Song, Jiewu Cui (), Yongli Zhang, Bin Wu, Liang Ge, Yan Wang, Yong Zhang, Yongqiang Qin, Robert Vajtai, Pulickel M. Ajayan (), Huanting Wang, Tongwen Xu () and Yucheng Wu ()
Additional contact information
Dongbo Yu: Hefei University of Technology
Qi Shao: Hefei University of Technology
Qingjing Song: Hefei University of Technology
Jiewu Cui: Hefei University of Technology
Yongli Zhang: Hefei University of Technology
Bin Wu: School of Chemistry & Chemical Engineering Anhui University
Liang Ge: School of Chemistry and Material Science University of Science and Technology of China
Yan Wang: Hefei University of Technology
Yong Zhang: Hefei University of Technology
Yongqiang Qin: Hefei University of Technology
Robert Vajtai: Rice University
Pulickel M. Ajayan: Rice University
Huanting Wang: Monash University
Tongwen Xu: School of Chemistry and Material Science University of Science and Technology of China
Yucheng Wu: Hefei University of Technology

Nature Communications, 2020, vol. 11, issue 1, 1-10

Abstract: Abstract Unlike inorganic crystals, metal-organic frameworks do not have a well-developed nanostructure library, and establishing their appropriately diverse and complex architectures remains a major challenge. Here, we demonstrate a general route to control metal-organic framework structure by a solvent-assisted ligand exchange approach. Thirteen different types of metal-organic framework structures have been prepared successfully. To demonstrate a proof of concept application, we used the obtained metal-organic framework materials as precursors for synthesizing nanoporous carbons and investigated their electrochemical Na+ storage properties. Due to the unique architecture, the one-dimensional nanoporous carbon derived from double-shelled ZnCo bimetallic zeolitic imidazolate framework nanotubes exhibits high specific capacity as well as superior rate capability and cycling stability. Our study offers an avenue for the controllable preparation of well-designed meta-organic framework structures and their derivatives, which would further broaden the application opportunities of metal-organic framework materials.

Date: 2020
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DOI: 10.1038/s41467-020-14671-9

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