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. 2018 Feb 28;8(17):9057–9062. doi: 10.1039/c7ra11383h

Fig. 1. (A) Three-dimensional fluorescence spectra of the CuNCs. Inset: the related optical photographs. (B) Effect of time on the fluorescence intensity of the CuNCs. (C) TEM image of the CuNCs. (D) High resolution XPS spectra of Cu 2p for CuNCs. (E) FT-IR spectra of CuNCs.

Fig. 1