547378.fig.006a
(a)
547378.fig.006b
(b)
Figure 6: Plasmon absorption spectra of silver nanoparticles formed by the focused laser irradiation to silver nanorod in water with the back pressure of (a) 1 MPa of O2 gas and (b) 12 MPa of CO2. The dashed line is the plasmon absorption spectra of silver nanoparticles formed by the focused laser irradiation to silver nanorod in pure water.