Organometallic versus organic molecules for energy conversion in organic LEDs and solar cells -- The interplay between theoretical methods and experiment in the design of organometallics for energy conversion -- First row transition metal complexes for the conversion of light into electricity and electricity into light -- Excited states energy flows and electron transfers in trans-bis(ethynyl)platinum(II)-containing polymers -- Metal porphyrinates for energy conversion -- Ruthenium(II) based sensitizers for DSC application -- Physical chemical approaches towards optimizing Gratzel-type dye-sensitized solar cells -- All-polymer solar cells -- New low-bandgap metal-containing polymers/oligomers for solar cell applications -- Transition-metal complexes for triplet-triplet annihilation-based energy upconversion -- Visible light-harvesting transition metal complexes for triplet-triplet annihilation upconversion -- Triarylboron functionalized metal complexes for OLEDs -- Organometallics for lighting or OLEDs -- WOLEDs using metal phosphors -- Organometallic catalysis in artificial photosynthesis -- Solar fuel via molecular water splitting catalysis -- Electrochemical oxidation of water catalyzed by metal complexes -- Hydrogen activation in water by organometallic complexes -- MOFs as platforms for hydrogen generation from chemical hydrides -- Organometallics for hydrogen storage applications.