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. Author manuscript; available in PMC: 2019 Jan 10.
Published in final edited form as: ACS Appl Mater Interfaces. 2017 Dec 20;10(1):75–82. doi: 10.1021/acsami.7b12614

Figure 1.

Figure 1.

UV-visible absorption spectrum of Au25(SG)18 nanoclusters formed at different temperatures (room temperature, 45 and 60 °C). The spectra are vertically offset to distinguish the absorption peaks of each individual spectrum.