Synthesis and characterization of titanium dioxide nanomaterials for photocatalytic hydrogen production Photocatalytic H2 production methanol photooxidation anatase nanoparticles rutile nanorods brookite nanorods dichloroacetic acid acetaldehyde. Photokatalytische Wasserstofferzeugung Methanol Oxidation Anatas Nanoteilchen Rutil Nanostäbchen Brookit Nanostäbchen Dichloressigsäure Acetaldehyd