Figure 10 | Scientific Reports

Figure 10

From: Synthesis and structural studies of N-heterocyclic carbene Ag(I) and Hg(II) complexes and recognition of dihydrogen phosphate anion

Figure 10

Fluorescence titration spectra of 5 (1.0 × 10−5 mol/L) in the presence of different concentrations of H2PO4 − in CH3CN at 25 °C. CH2PO4 − for curves 1–26 (from top to bottom) are 0, 0.01, 0.07, 0.11, 0.17, 0.25, 0.33, 0.43, 0.55, 0.67, 0.8, 1, 1.35, 1.75, 2, 3, 5, 8, 12, 16, 21, 24, 27, 30, 35, 40 × 10−5 mol/L (λex = 280 nm). Inset: the fluorescence at 360 nm of 5 as a function of H2PO4 − concentration.

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