Figure 2.

Time-dependent UV–vis (A) and FL (B, normalized) spectra. Taken during the core etching reaction of Au NCs with GSH. (a) 1, (b) 2, (c) 3, (d) 5, and (e) 10 days.

Lian et al. Nanoscale Research Letters 2012 7:348   doi:10.1186/1556-276X-7-348
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