Colorimetric Detection of Sulfide Anions via Redox-Modulated Surface Chemistry and Morphology of Au-Hg Nanorods

<p>UV-vis absorption spectra of (i) CTAB-protected AuNRs, (ii) Au-HgNRs, and (iii) Au-HgNRs after addition of sulfide anions. The inset image shows the colorimetric response.</p>

International Journal of Analytical Chemistry

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Figure 1

Figure 1: Colorimetric Detection of Sulfide Anions via Redox-Modulated Surface Chemistry and Morphology of Au-Hg Nanorods 