absorption spectra

What Information Can Be Derived from Absorption Spectra?


The absorption spectra of nanomaterials can provide a wealth of information, including:
Bandgap Energy: The bandgap energy of a semiconductor nanomaterial can be determined from the absorption edge in the spectrum.
Particle Size: The position and shape of absorption peaks can be correlated with the size of nanoparticles.
Surface Properties: Changes in absorption spectra can indicate modifications in surface chemistry or the presence of surface ligands.
Concentration: The intensity of absorption peaks is often proportional to the concentration of nanomaterials in a solution.

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