This video looks Nanotechnology is Boosting Solar Energy. There has been a lot of developments off late in nanotechnology that are impacting on solar panels. These include the development of dye sensitised solar cells of DSSC. Other developments include the development of selective coating as well as graphene layers for carrying charge. https://www.prnewswire.com/news-releases/nanotechnology-innovations-transforming-energy-generation-and-storage-300732989.html Kyoto University https://www.sciencedaily.com/releases/2017/01/170118082439.htm