PES can provide several key pieces of information about nanomaterials:
Binding Energy: This refers to the energy required to remove an electron from a specific orbital. PES can map out the binding energies of electrons in different orbitals, revealing the electronic structure of the material. Chemical Composition: By analyzing the photoemission spectra, researchers can identify the elements present in the material and their chemical states. Electronic Band Structure: PES can provide information about the band structure, including the valence and conduction bands, which are critical for understanding the electronic properties of nanomaterials.
