Figure 6

The absorption spectra of Au NPs in aqueous solution after 532 nm laser irradiation.
(a) Different laser fluences for 240 s. (b) Gaussian fitting analysis for the curve of 2.87 mJ cm−2.

The absorption spectra of Au NPs in aqueous solution after 532 nm laser irradiation.
(a) Different laser fluences for 240 s. (b) Gaussian fitting analysis for the curve of 2.87 mJ cm−2.