Table 1.

Concentration of elements (wt. %) measured with EDS spectroscopy on polymer PS doped with 10%–40% GNP or samples doped with 10% of GNP treated with a laser fluence of 8–40 mJ·cm⁻². View field of 30 × 30 μm².

Laser Modified Samples (W(GNP) = 10%)			Non-Modified Samples
E (mJ cm−2)	C (wt. %)	O (wt. %)	GNP (wt. %)	C (wt. %)	O (wt. %)
8	89.03 ± 0.08	10.97 ± 0.08	10	99.29 ± 0.03	0.71 ± 0.03
16	92.89 ± 0.07	7.11 ± 0.07	20	99.30 ± 0.04	0.70 ± 0.04
20	90.98 ± 0.07	9.02 ± 0.07	30	99.28 ± 0.07	0.72 ± 0.07
40	91.32 ± 0.04	8.68 ± 0.04	40	99.34 ± 0.04	0.66 ± 0.04