One of my current research interests involves hydrogen production by photocatalytic waster splitting and connection to dye sensitized solar cell technologies.
Here are some research articles on the subject:
http://thesolararmy.org/jfromj/scientific%20articles/ChemReview2010.pdf
http://www.aps.org/meetings/multimedia/upload/Augustin_McEvoy.pdf
Source of feature image: http://blogs.rsc.org/ee/files/2013/10/c3ee42519c-ga-1024×477.jpg