journal article·2020-07Open access

Liquid‐Metal‐Templated Synthesis of 2D Graphitic Materials at Room Temperature

Mohannad Mayyas, Hongzhe Li, Priyank Kumar, Mohammad B. Ghasemian, Jiong Yang, Yifang Wang, Douglas J. Lawes, Jialuo Han, Maricruz G. Saborio, Jianbo Tang, Rouhollah Jalili, Sun Hwa Lee, Won Kyung Seong, Salvy P. Russo, Dorna Esrafilzadeh, Torben Daeneke, Richard B. Kaner, Rodney S. Ruoff, Kourosh Kalantar‐Zadeh

Advanced Materials· Volume 32· Issue 29

Abstract

Abstract Room‐temperature synthesis of 2D graphitic materials (2D‐GMs) remains an elusive aim, especially with electrochemical means. Here, it is shown that liquid metals render this possible as they offer catalytic activity and an ultrasmooth templating interface that promotes Frank–van der Merwe regime growth, while allowing facile exfoliation due to the absence of interfacial forces as a nonpolar liquid. The 2D‐GMs are formed at low onset potential and can be in situ doped depending on the choice of organic precursors and the electrochemical set‐up. The materials are tuned to exhibit porous or pinhole‐free morphologies and are engineered for their degree of oxidation and number of layers. The proposed liquid‐metal‐based room‐temperature electrochemical route can be expanded to many other 2D materials.
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Research context

OpenAlex topics: Graphene research and applications · Supercapacitor Materials and Fabrication · Covalent Organic Framework Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemical Engineering University of New South Wales (UNSW) Sydney 2052 Australia

Mark Wainwright Analytical Centre University of New South Wales (UNSW) Sydney 2052 Australia

Center for Multidimensional Carbon Materials Institute for Basic Science (IBS) Ulsan 44919 Republic of Korea

School of Science Royal Melbourne Institute of Technology (RMIT) Melbourne 3001 Australia

Graduate School of Biomedical Engineering University of New South Wales (UNSW) Sydney 2031 Australia

School of Engineering Royal Melbourne Institute of Technology (RMIT) Melbourne 3001 Australia

Department of Chemistry and Biochemistry and California NanoSystems Institute University of California Los Angeles (UCLA) Los Angeles CA 90095 USA

Department of Materials Science and Engineering and California NanoSystems Institute University of California Los Angeles (UCLA) Los Angeles California 90095 USA

Department of Chemistry Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea

School of Materials Science and Engineering Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea

School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology (UNIST) Ulsan 44919 Republic of Korea

Funding

Australian Research Council · International Biometric Society

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