What Information Can Be Obtained from UV-Vis Spectroscopy in Nanotechnology?
UV-Vis spectroscopy provides several key pieces of information about nanomaterials, including:
Absorption Peak: The wavelength at which maximum absorption occurs, which can indicate the presence of specific nanomaterials. Bandgap Energy: The energy difference between the valence band and the conduction band, which is crucial for understanding the electronic properties of semiconducting nanoparticles. Concentration: By applying the Beer-Lambert law, the concentration of nanoparticles in a solution can be determined. Particle Size: The shape and position of the absorption peak can provide insights into the size of nanoparticles.