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source:pragativadiScientists have identified co-dopants that can increase the photovoltaic performance of transparent metal oxides such as ZnO, In2O3 and SnO2 thereby creating the potential for more efficient, better performing and more stable solar cells.In recent years solar cell technology has achieved tremendous growth as sustainable source of energy. Energy generation and storage being the need of the hour, many efforts are being made around the world to develop cost-effective options.Perovskites are a leading candidate for eventually replacing silicon as the material of choice for solar ...
Release time: 2022 - 07 - 18
viewed:2
source:tricitiesbusinessnewsThe alchemists of yore sought to convert low-value lead into high-value gold.A solution to that puzzle remains elusive, but researchers at Pacific Northwest National Laboratory have discovered something more applicable to present-day challenges.The lab has patented a game-changing new method of extracting lithium from water.There is a lot more suspended in H2O than just loosely bonded hydrogen and oxygen.Take for example mining effluent produced through oil and natural gas drilling. In the resulting wastewater brine generated during hydraulic fracturing (fracking) a...
Release time: 2022 - 07 - 15
viewed:1
source:wiredWith a gaping tunnel carved deep into the rock behind him, the Turkish energy and natural resources minister, Fatih Dönmez, took to his podium to reveal the big news. He proudly announced that the ground below his feet was positively bursting with rare earth elements—694 million tons’ worth. Enough to rival China, he added.In the two weeks since, breathless news stories have hailed Turkey’s “discovery” of this gargantuan bounty. “Move over China,” one report read.There are 17 rare earth elements, and many of them make their way into a bewildering list of high-tech products—fro...
Release time: 2022 - 07 - 14
viewed:2
source:.miragenewsNew solid-state device represents important step toward quantum networks; holds quantum state for up to 28 microsecondsWASHINGTON – Researchers have developed a practical integrated quantum memory device based on a new fiber-coupled waveguide written into a rare-earth doped crystal. Quantum memory stores a quantum state for later retrieval much like computer memory stores binary information. The fiber-integrated solid-state platform can hold a quantum state up to three orders of magnitude longer than previously demonstrated in integrated memories.Jelena V. Rakonjac from ICFO-...
Release time: 2022 - 07 - 13
viewed:1
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