R

Scheme 17. Structural motifs of the titanium-oxygen cores in carboxylic acid-modified Ti(OR)4.

These compounds were used in a sol-gel process to obtain TiO2 films. The density of the films (Table 7) was found to vary for different precursors, which is probably related to the

Table 7. Influence of precursor structure on the density of resulting

TiO2 films.

Compound

Core structure (Scheme 17)

nf

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