Surface Monocrystallization of Copper Foil for Fast Growth of Large Single-Crystal Graphene under Free Molecular Flow.
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Advanced materials (Deerfield Beach, Fla.), ISSN: 1521-4095, Vol: 28, Issue: 40, Page: 8968-8974
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- Materials Science; Engineering; fast growth; inch-sized single-crystalline Cu (100); large-domain single-crystalline graphene; molecular flow
Wafer-sized single-crystalline Cu (100) surface can be readily achieved on stacked polycrystalline Cu foils via simple oxygen chemisorption-induced reconstruction, enabling fast growth of large-scale millimeter-sized single-crystalline graphene arrays under molecular flow. The maximum growth rate can reach 300 μm min , several orders of magnitude higher than previously reported values for millimeter-sized single-crystalline graphene growth on Cu foils.