were agglomerated. Nitrogen-doped TiO2 has been prepared by sputtering, ion implantation, chemical vapor deposition, sol-gel, oxidation of TiN, derect nitridation of TiO2
were agglomerated. Nitrogen-doped TiO2 has been prepared by sputtering, ion implantation, chemical vapor deposition, sol-gel, oxidation of TiN, derect nitridation of TiO2