film solar cells

$2500 in photovoltaic cells could provide enough electricity for the consumption of a 4 person household
Bumpy nanoparticles improve the efficiency of thin-film solar cells
Nanopillar semiconductors shape up for better, cheaper solar cells
First solar cell printed on paper
Could Solar Blimps Haul Cargo at 30,000 Feet?
First green LED means a lighting revolution is fast approaching
Does Solar Power Need a Revolution?
Sunshine is free, so can photovoltaics be cheap?
Photovoltaic Breakthroughs Brighten Outlook for Cheap Solar Power