Using the quick search there are shown up to three reports about organic solar cells:
The sun’s energy is virtually limitless, but harnessing its electricity with today’s single-crystal silicon solar cells is extremely expensive — 10 times pricier than coal, according to some estimates...
Energie und Elektrotechnik |The researchers, led by electrical engineer Stephen Chou, were able to increase the efficiency 175 percent by using a nanostructured "sandwich" of metal and plastic that collects and traps l...
Energie und Elektrotechnik |Using the fulltext-search for the word organic solar cells you can set up serveral searching-options > choose search options