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. 2017 Jun 15;7:3620. doi: 10.1038/s41598-017-03952-x

Figure 1.

Figure 1

(a) Chemical structure of Ir(III) complex 1. (b) Luminescence emission spectra 1.0 μM complex 1 in Tris-HNO3 buffer solution (pH 7.0) containing different concentrations of Ag nanoparticles. The inset is the luminescence intensity plotted against the Ag nanoparticles concentration (from top to bottom: 0, 0.05, 0.13, 0.25, 0.4, and 0.8 μM).