Figure 1 | Scientific Reports

Figure 1

From: Inkjet printing of TiO2/AlOOH heterostructures for the formation of interference color images with high optical visibility

Figure 1

A schematic illustration of the colored interference by a nanoscale titania (Green) thin film (A) and the mechanism of the interference visibility enhancement in a surface heterostructure containing an anti-reflective AlOOH (Red) layer on the surface of interfering TiO2 film (B). The scheme depicts two incident light beams (a and b), which combine upon reflection to produce beam c. The introduction of the anti-reflective layer decreases the “background” reflection and therefore improves the effective visibility of the target beam c.

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