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Beilstein J. Nanotechnol. 2025, 16, 1533–1544, doi:10.3762/bjnano.16.108
Figure 1: Schemes of laser ablation using Bessel (a), annular (b) and Gaussian (c) profiles.
Figure 2: TEM images of Si nanoparticles prepared using (a, b) Bessel, (c) annular, and (d) Gaussian beams.
Figure 3: SEM images of the Si nanoparticles, prepared using the Bessel beam.
Figure 4: HRTEM images of the particles prepared by laser ablation of a Si wafer with (a, b) Bessel, (c) annu...
Figure 5: Raman spectra of Si samples obtained using laser beams with Gaussian, Bessel, and annular profiles.
Figure 6: Optical properties of the Si NPs prepared by laser ablation of a Si target in ethanol using Bessel,...
Figure 7: Photoluminescence spectra of (a) Si NPs prepared by Bessel, Gaussian, and annular laser beam ablati...