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. 2018 Feb 13;9:530–544. doi: 10.3762/bjnano.9.51

Figure 2.

Figure 2

Emission spectra of black pepper C-dots under different excitation wavelengths (a) from 290 to 390 nm and (b) from 390 to 600 nm. Optimum selected conditions are λexem: 390/489 nm.