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. 2017 Dec 19;2(12):9109–9117. doi: 10.1021/acsomega.7b01052

Figure 1.

Figure 1

Fluorescence excitation and emission spectra of the yellow- (A) and blue- (B) emitting CuNCs; insets show photographs of the CuNC solution under visible (a, c) and UV (b, d) light irradiation.