WANG, CHUN-XIAO; CHEN, YAN; FAN, YU-ZUN; ZHANG, YAN-WEN; … - In: Surface Review and Letters (SRL) 18 (2011) 03, pp. 135-140
The photoabsorption edge shifting from UV to visible region accompanied with increased intensity and Raman features change was observed for N+ implanted TiO2. Raman spectra prove the formation of TiNx and oxygen vacancies in the implanted TiO2, which is considered as the origin of absorption...