Abstract
To further morphological investigation of nanocrystalline TiO{sub 2} films, which are sensitized by suitable transition metal complexes forming a new type of molecular photovoltaic system, the studies of new films and new Co complexes are presented. Scanning electron microscopy, X-ray single crystal and powder diffraction as well as X-ray diffraction at low glancing angles using synchrotron radiation have been used. The morphology of electro- and thermodeposited Pt layers on TCO, polymorphic composition of films, possible geometry of location of complex dye molecules on the most exposed faces of TiO{sub 2} microcrystals, and the crystal structure of a Co(II) complex solvated by electrolyte 4-methyl-1,3-dioxolan-2-on as a precursor of the corresponding redox-system are discussed.