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SEM images of samples treated with TiO2 film. (a) Untreated (non-SLA) grade IV; (b) treated (SLA) grade IV; (c) untreated (non-SLA) grade V; (d) treated (SLA) grade V; (e) and (f) frontal image and cross-section of the TiO2 film on a silicon plaque (100).
