MXene Derived Metal–Organic Frameworks

Hao Wu, Maram M. Almalki, Xiangming Xu, Yongjiu Lei, Fangwang Ming, Arijit Mallick, Vladimir Roddatis, Sergei Lopatin, Osama Shekhah, Mohamed Eddaoudi, Husam N. Alshareef

Research output: Contribution to journalArticlepeer-review

99 Scopus citations


Synthesis of nanoscale metal−organic frameworks (MOFs) is a highly challenging task because conventional soluble metal salt precursors are not easy to manipulate spatially, thus normally leading to bulk MOFs. In the present work, V2CTx MXene is demonstrated for the first time as a metal precursor to fabricate twodimensional (2D) MOF nanosheets, whose thickness (6 to 18 nm) can be tuned by varying the reaction temperature. The highly electronegative surface atoms of MXene and sufficient accessible attacking sites for ligands are responsible for the evolution of 2D MOF nanosheets. Moreover, highly oriented and smooth MOF thin films have been grown based on these nanosheets using a convenient spin coating process. With the impregnation of nonvolatile H3PO4, the MOF thin film exhibits a protonconducting property. This study demonstrates that highquality 2D MOF sheets and thin films are enabled by 2D MXene precursors. We believe that the high-quality MOF films prepared in this study pave the way for many device applications.
Original languageEnglish (US)
Pages (from-to)20037-20042
Number of pages6
JournalJournal of the American Chemical Society
Issue number51
StatePublished - Dec 11 2019

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): OSR-CRG2017-3379
Acknowledgements: This work was financially supported by King Abdullah University of Science and Technology (KAUST) under Award No. OSR-CRG2017-3379.


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