A Comparative Evaluation of TiO₂ Suspension Coating Techniques: A Novel Technique to Achieve Optimal Thickness and Uniformity of Photocatalytic Film

Table 1

Coating frequency, UVA transmittance, and catalyst coating weight results for the lowering technique.

Sample code	Coating frequency	Catalyst weight (mg)	% UVA transmittance in 4 point
			(reference irradiation 8 W·m^−2)				Mean	Standard deviation
			1	2	3	4
G	1	39	12.4	16.1	7.2	5.5	7.8	3.1
K	1	67.3	0	6.1	2.3	4.4	3.2	2.64
E	1	84.8	0	0	3.5	1.8	1.3	1.68
P	1	83.1	2.6	1.4	0	0	1	1.25
L	1	58.6	9.8	1.1	3.4	6.9	5.3	3.83