One of my research interest involves dye sensitized solar cells – a technology for capturing energy from the sun inspired by nature’s photosynthesis
Above is a simple video how how a DSSC works
Here are some articles on the subject:
http://en.wikipedia.org/wiki/Dye-sensitized_solar_cell
http://www.nature.com/nchem/journal/v6/n3/full/nchem.1861.html