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. 2020 Feb 18;10(2):352. doi: 10.3390/nano10020352

Figure 4.

Figure 4

(a) Temperature increase as a function of irradiation time, measured under NIR laser irradiation at different wavelengths (800–1000 nm, 0.26 W/cm2) of Cu NP-glass samples; (b) photo-thermal effect as increase of temperature (right axe) of Cu NP-glass samples, as a function of irradiation wavelength (each color of point corresponds to a wavelength as in panel (a)), superimposed to spectrum of the functionalized glass sample.