Table 3.

XPS data presented as relative atomic% for the mesoporous titania thin films possessing different pore sizes

Sample (nm)	Ti 2p (%)	O 1s (%)	C 1s (%)
3.4	19.2	55.3	22.9
4.4	20.2	55.2	22.8
6.0	21.9	57.4	19.7
6.5	20.5	56.5	21.7
7.2	19.0	53.9	25.2

Abbreviation: XPS, X-ray photoelectron spectroscopy.