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. Author manuscript; available in PMC: 2010 Aug 18.
Published in final edited form as: J Phys Chem B. 2003 Sep 18;107(37):9989–9993. doi: 10.1021/jp030290g

Figure 6.

Figure 6

Luminescence spectra from silver colloids (left) and from silver fractal coated glass (right), showing time-dependent photoactivation (luminescence). Excitation was from a 442 nm He–Cd laser, ca. 200 W/cm2, and luminescence was collected as shown in Figure 2.