X-ray Photoelectron Spectroscopy
X-ray Photoelectron Spectroscopy (XPS) is an analytical technique used to identify the types and concentrations of atoms in a sample. It uses X-rays to excite and liberate electrons from the sample, and then measure the kinetic energy of the resulting photoelectrons. XPS is a powerful tool for detecting and characterizing the chemical and electronic structure of materials and is used in a variety of research and industrial applications. It is a versatile technique for studying the surface of materials such as metals, semiconductors, polymers and biological molecules. XPS can provide chemical composition, surface structure and texture, oxidation, adsorption and desorption states and charge distribution of molecules at the surface of a material. This data is critical for developing improved materials and devices, as well as for optimizing surface treatments and protective coatings.
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