Engineers at the Fraunhofer Institute for Laser Technology, in Aachen, Germany, have invented a laser system that can drill 3000 holes per second in a solar cell during the manufacturing process. The holes improve the system of electrical contacts and thereby the cell’s efficiency.
Japan Seeks to Rein In a Solar Juggernaut
Japan's government says new solar development rules will preserve grid stability. Critics see an attempt to preserve a leading role for Japan's idled nuclear reactors.
Proven: Graphene Makes Multiple Electrons From Light
Graphene could make super high conversion-efficiency photovoltaics
How Rooftop Solar Can Stabilize the Grid
Following Germany's lead, California gives advanced inverters a bigger role in the grid
Nanobowl Solar Concentrator Boosts Organic Solar Cell Efficiency
Nanobowls offer geometrical light trapping with low-cost, chemical-based processes for organic photovoltaics
Perovskite Solar Cell Bests Bugbears, Reaches Record Efficiency
Perovskite photovoltaic success story continues apace
Nanowires Made From Solar Wonder Material, Perovskite, Promise Even More Efficient Solar Cells
Novel production method shows promise for applications in a variety of optical technologies
Junkyard Parts Lead to New Spray on Process for Quantum Dots
Novel process can apply quantum dots onto nearly every surface
Passive Radiator Cools by Sending Heat Straight to Outer Space
By reflecting sunlight and transmitting heat through the Earth's atmosphere, Stanford's passive radiator system can cool without any electricity
Nanomaterial Promises to Reduce Shutdowns of Concentrating Solar Power Plants
Nanomaterial can withstand the high temperatures of concentrating power plants, keeping them online longer
Can Organic Solar Cells Reach Old Age?
Engineers report progress on keeping organic photovoltaics alive
Nanograss is Greener on the Photovoltaic Side
Nanopillars lead to ideal architecture for organic solar cells to harvest energy from the sun
Cheap Solar Cells Offer Hydrogen Hope
Perovskite photovoltaics pack enough punch to split water
Solar Cookers Get Hot
Norwegian team announces the first solar-powered model that can store enough heat to be used on a cloudy day
Carbon Nanotubes Make a Comeback in Photovoltaics
After languishing for a decade with poor energy conversion efficiency, a novel approach may give CNTs a boost
Solar Energy Isn’t Always as Green as You Think
Do cheaper photovoltaics come with a higher environmental price tag?
Can Solar Power Go Truly Transparent?
Improving on somewhat opaque solar windows and related ideas, MSU team makes fully clear solar power concentrator
Ivanpah Solar Power Tower Is Burning Birds
A federal lab tallies the dead and makes recommendations for future solar power towers
Mining Big Data to Make a Point about Solar
A mock solar installation for the Australian Prime Minister's residence highlights Big Data's increasing role in renewable energy planning and assessment
Thin-film Solar Cells Freed From Toxic Processing
Cadmium chloride treatment replaced by benign magnesium chloride—a key ingredient in tofu
Perovskite Is the New Black in the Solar World
All the cool solar-cell scientists are working on perovskite photovoltaics