US 11,939,228 B1
Method of making rutile/anatase TIO2 layer via CO2 laser
Nagih Shaalan, Al-Ahsa (SA); Chawki Awada, Al-Ahsa (SA); Faheem Ahmed, Al-Ahsa (SA); and Shalendra Kumar, Al-Ahsa (SA)
Assigned to KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed by KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed on May 1, 2023, as Appl. No. 18/141,863.
Int. Cl. C23C 8/10 (2006.01); C01G 23/047 (2006.01); C23C 22/05 (2006.01); C23C 22/78 (2006.01); C23C 22/82 (2006.01); C23C 8/06 (2006.01)
CPC C01G 23/047 (2013.01) [C23C 22/05 (2013.01); C23C 22/78 (2013.01); C23C 22/82 (2013.01); C01P 2002/82 (2013.01); C01P 2006/80 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method of preparing a titanium dioxide nanofilm or microfilm, the method comprising:
providing a sheet of titanium (Ti) having a thickness of about 0.1 mm;
cleaning the sheet of titanium with deionized water and ethanol to obtain a sheet of treated titanium;
irradiating the treated sheet of titanium with a CO2 laser; and
obtaining the titanium dioxide nanofilm or microfilm;
wherein the titanium dioxide nanofilm or microfilm comprises rutile titanium dioxide, anatase titanium dioxide, or rutile-anatase titanium dioxide.