Figure 1From: Controlled reduction for size selective synthesis of thiolate-protected gold nanoclusters Aun(n = 20, 24, 39, 40)UV-vis absorption spectra. (A) The new cluster product (black profile, crude product without any extraction; red, after two extractions), (B) pure Au24(SC2H4Ph)20, and (C) pure Au20(SC2H4Ph)16.Back to article page