Photo-catalytic activity test for titanium dioxide with artist’s pigments and dyes of the 20th century

Titanium dioxide was developed in 19th century and widely used as an artist’s pigment since 20th century. Due to the photocatalsis of titanium dioxide, it can decompose the organics so that the organic dye and binders of painting could be destroyed, resulted in fading, chalking and loss of gloss. In order to figure out the potential dangers of...

Hybrid cluster expansions for local structural relaxations