Part I. Calculation: 1. First-principles study of oxygen deficiency in rutile titanium dioxide Hsin-Yi Lee; 2. Synergistic effects on band gap-narrowing in titania by doping from first-principles calculations: density functional theory studies Niall English; Part II. Synthesis: 3. On the sol-gel synthesis and characterization of titanium oxide nanoparticles Jitendra Kumar; 4. Slow aggregation of titania nanocrystals in acidic hydrosols Olga Pavlova-Verevkina; 5. Fabrication of three-dimensionally ordered macro-/mesoporous titania monoliths by a dual-templating approach Lianbin Xu; 6. Growth of TiO2 thin films on Si(001) and SiO2 by reactive high power impulse magnetron sputtering Fridrik Magnus; Part III. Properties: 7. Dynamics of water confined on the surface of titania and cassiterite nanoparticles Nancy Ross; 8. X-ray diffraction investigations of TiO2 thin films and their thermal stability Radomir Kuzel; 9. Morphology and electronic structures of calcium phosphate coated titanium dioxide nanotubes Tsun-Kong Sham; 10. Comparison between the optical and surface properties of TiO2 and Ag/TiO2 thin films prepared by sol-gel process Nelcy Mohallem; 11. Optical and electrical properties of solution processable TiOx thin films for solar cell and sensor applications Mool Gupta; 12. Ellipsometric characterization of thin nanocomposite films with tunable refractive index for biochemical sensors Peter Petrik; 13. Influence of post-annealing temperature on the properties of Ti-doped In2O3 transparent conductive films by DC ratio-frequency sputtering Lei Li; Part IV. Applications: 14. Photocatalytic activity, hydrophilic and optical properties of nanocrystalline titania thin films prepared by sol-gel dip coating Maria Ferrara; 15. Nb-substituted TiO2 nanosheet exfoliated from layered titanate for photocatalysis Haiyan Song; 16. Rational designs on TiO2-based nanocomposites for solar photocatalytic purification Tao Xu; 17. Fabrication of Rh-doped TiO2 nanofibers for visible light degradation of rhodamine B Wayne Jones; 18. (Green) photocatalytic synthesis employing nitroaromatic compounds Ralf Dillert; 19. Photoactivity of anatase–rutile TiO2 nanocrystalline mixtures obtained by heat treatment of titanium peroxide gel Snejana Bakardjieva; 20. High efficiency front-illuminated nanotube-based dye-sensitized solar cells Stefan Adams; 21. Photodeposition of metal sulfide quantum dots on titanium(IV) dioxide and its applications Hiroaki Tada; 22. Anodically fabricated SR-doped TiO2 nanotube arrays for photoelectrochemical water splitting applications Hoda Amani Hamedani.