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. 2012 Sep 5;13(4):045008. doi: 10.1088/1468-6996/13/4/045008

Table 1.

Quantum yield of Rhodamine 6G (Rh6G) and C-dots at different emission wavelengths (λem). Grad∗ represents the slope of the plot of optical density versus integrated intensity.

Sample, λem (nm) Grad∗ Quantum yield
Rh6G, 555 1291331 0.950
C-dots, 410 80694 0.062
C-dots, 442 94239 0.072
C-dots, 486 109302 0.084
C-dots, 556 98834 0.076
C-dots, 580 65493 0.051
C-dots, 688 61796 0.048