Growth of polycrystalline diamond over glassy carbon and graphite electrode materials

Boron-doped polycrystalline diamond thin films were grown over glassy carbon electrode material and POCO graphite by a microwave plasma-assisted chemical vapor deposition using a gas mixture of methane and hydrogen. As-deposited films were analyzed by scanning electron microscopy and Raman spectroscopy for their morphology and chemical nature, respectively. The diamond films grown over glassy carbon and graphite electrode material may have some use in electroanalysis since the doped diamond films are electrically conductive, erosion resistant, and chemically inert. (Author)