Fluorescent Sensors Based on Organic Polymer-Capped Gold Nanoparticles for the Detection of Cr(VI) in Water

Figure 4

(a) UV-Vis absorption spectra of Cr(VI) and the sensor before and after the addition of Cr(VI). (b) Fluorescence spectra of the sensor and UV-Vis absorption spectra of the Cr(VI) and the sensor. (c) UV-Vis absorption spectra of the sensor before and after the addition of different kinds of species. (d) The excitation and emission spectra of the sensor before and after the addition of different kinds of species.

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