Figure 5.

Local growth of Au-NP in xerogels doped with HAuCl4. (a) Optical absorption after fs irradiation. Photograph and TEM image obtained on a sample co-doped with sodium carbonate. (b) Optical absorption after CW irradiation. Photograph and TEM image obtained on a sample co-doped with sodium carbonate. (a and b) adapted from [29] and [30], respectively.

Capoen et al. Nanoscale Research Letters 2013 8:266   doi:10.1186/1556-276X-8-266
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