A multi-technique study of gold oxidation and semiconducting properties of the compact α-oxide layer
作者： Željka Petrović , Mirjana Metikoš-Huković , Ranko Babić , Jozefina Katić , Milorad Milun
DOI: 10.1016/J.JELECHEM.2009.01.020
关键词:
摘要: Abstract The initial stage of gold oxidation at the quartz crystal electrode in a near neutral solution was studied by using potentiostatic and potentiodynamic sweep methods. underpotential deposition OH radicals first nucleation formation phase oxide Au 2 O 3 . composition determined X-ray photoemission spectroscopy (XPS). Three-dimensional (3D) progressive occurred under diffusion control. electronic structure compact α-oxide film charge distribution layer/electrolyte interface were examined photopotential capacitance measurements. Anodically formed on highly-doped defect semiconductor n-type conductivity.
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