Modification　of　semiconductor　oxides　leads　to　a　major　development　in　functional　characteristics.　Characterisation　of　Pr6O11-TiO2,　fabricated　by　a　cost-effective　hydrothermal　-　decomposition　method　reveals　the　nanorod　like　structure　of　this　catalyst.　The　XRD　pattern　definite　the　formation　of　face-centred　cubic　or　cubic　close-packed　structure　of　Pr(6)O(11)and　the　high　crystallinity　indicate　the　existence　of　anatase　TiO2.　XPS　analysis　indicates　the　presence　of　both　Pr(3+)and　Pr(4+)ions　in　Pr6O11.Pr6O11-TiO(2)is　more　photoactive　under　visible　light　than　Pr6O11,　prepared　TiO(2)and　TiO2-P25　(80%　Anatase　and　20%　Rutile　mixture)　in　the　degradation　of　toxic　azo　dyes.　Pr6O11-TiO(2)is　stable　and　recyclable　consecutively.　Pr6O11-TiO(2)catalyst　shows　higher　electrocatalytic　activity　in　methanol　oxidation　than　pure　TiO2.　These　results　reveal　new　insights　on　the　efficiency　of　catalysts　in　photo-　and　electrocatalytic　applications.