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. 2020 Feb 10;10(2):300. doi: 10.3390/nano10020300

Figure 10.

Figure 10

UV-VIS spectrum of Cu nanoparticles obtained by laser ablation using the Green-Nanosecond laser in (a) air, (b) argon and using the IR-Picosecond laser in (c) air, (d) Argon.