2D Metals by Repeated Size Reduction.
A general and convenient strategy for manufacturing freestanding metal nanolayers is developed on large scale. By the simple process of repeatedly folding and calendering stacked metal sheets followed by chemical etching, free-standing 2D metal (e.g., Ag, Au, Fe, Cu, and Ni) nanosheets are obtained with thicknesses as small as 1 nm and with sizes of the order of several micrometers.
Liu, H; Tang, H; Fang, M; Si, W; Zhang, Q; Huang, Z; Gu, L; Pan, W; Yao, J; Nan, C; Wu, H
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