Adding transparency to graphene paper improves supercapacitor capacitance
Pen draws flexible circuits using half-meter long carbon nanotube fibers
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Cascade solar concentrator greatly reduces solar cell footprint
Solar cells made from polar nanocrystal inks show promising early performance
Ultralow-power circuit improves efficiency of energy harvesting to more than 80 percent
The latest buzz in the information technology industry regards "the Internet of things"—the idea that vehicles, appliances, civil-engineering structures, manufacturing equipment, and even livestock would ...
Chemists devise technology that could transform solar energy storage
The materials in most of today's residential rooftop solar panels can store energy from the sun for only a few microseconds at a time. A new technology developed by chemists at UCLA is capable of storing ...
New microfiber emitters boost production of versatile fibers fourfold, cut energy consumption by 92 percent
Nanofibers—polymer filaments only a couple of hundred nanometers in diameter—have a huge range of potential applications, from solar cells to water filtration to fuel cells. But so far, their high cost ...
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Researchers develop method of fabricating perovskite solar cells that is more efficient, costs less
Engineering a better solar cell: Study pinpoints defects in popular perovskites
One of the fastest-growing areas of solar energy research is with materials called perovskites. These promising light harvesters could revolutionize the solar and electronics industries because they show ...
Solution-grown nanowires make the best lasers
Take a material that is a focus of interest in the quest for advanced solar cells. Discover a "freshman chemistry level" technique for growing that material into high-efficiency, ultra-small lasers. The result, ...
Can perovskites and silicon team up to boost industrial solar cell efficiencies?
Silicon solar cells dominate 90 percent of the global photovoltaic market today, yet the record power conversion efficiency of silicon photovoltaics has progressed merely from 25 percent to 25.6 percent during ...
A better method for making perovskite solar cells
Research led by a Brown University Ph.D. student has revealed a new way to make light-absorbing perovskite films for use in solar cells.