Introduction.- Sample Preparation and Characterization Techniques.- The Nature of Electron Transport and Visiblelight Absorption in Strontium Niobate - A Plasmonic Water Splitter.- Comparison of Water Splitting Efficiencies of Mnbo3- d (M = Ca, Sr, Ba).- New Tunable and Low-Loss Correlated Plasmons in Mott-like Insulating Oxides.- The Nonlinear Optical Properties of Mnbo3(M=Ca, Sr, Ba) Thin Films.- Strain-Induced Metal to Insulator Transition in Thin Film of Srnbo3.- Summary and Future Work.