Figure 4.

Fluorescence quenching of red-luminescent Au clusters by the addition of different concentrations of H2O2. (black) 1.0 × 10−2 M, (red) 1.0 × 10−3 M, (blue) 1.0 × 10−4 M, (green) 1.0 × 10−5 M, (pink) 1.0 × 10−6 M, (yellow) 1.0 × 10−7 M.

Li et al. Nanoscale Research Letters 2013 8:182   doi:10.1186/1556-276X-8-182
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