This result is in good agreement with the SPB, which had a maximum absorption wavelength at 517 nm (Fig. 2b) and is in agreement with the literature results for spherical nano particles with a diameter of less than 9 nm[37,38].
This result is in good agreement with the SPB, which had a maximum absorption wavelength at 517 nm (Fig. 2b) and is in agreement with the literature results for spherical nano particles with a diameter of less than 9 nm[37,38].