Journal
ADVANCED MATERIALS
Volume 32, Issue 29, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202001997
Keywords
2D materials; carbon templating; electrocatalysis; liquid metals; liquid-liquid interfaces
Categories
Funding
- Australian Research Council (ARC) [FL180100053]
- ARC Center of Excellence FLEET [CE170100039]
- University of New South Wales (UNSW)
- ARC [DE180100215]
- [IBS-R019-D1]
- Australian Research Council [DE180100215] Funding Source: Australian Research Council
- National Research Foundation of Korea [IBS-R019-D1-2020-A00] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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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