Nov
4
Imperfect Polymer LEDs Are More Efficient
November 4, 2020 | Leave a Comment
Physicists in China, led by Yadong Wang at Hebei North University, found that higher-than-expected efficiency can be reached through interactions between triplet excitons, and impurities embedded in the LED polymer. Molecular dynamics simulations have shown that the mysteriously high efficiency of polymer LEDs arises from interactions between triplet excitons in their polymer chains, and unpaired […]
Nov
3
Solid Electrolyte Found For Lithium Batteries
November 3, 2020 | Leave a Comment
Stanford University scientists have identified a new class of solid materials that could replace flammable liquid electrolytes in lithium-ion batteries. The discovery could help battery researchers design the first solid electrolytes that are safe, cheap and efficient. According to the scientists the low-cost materials, made of lithium, boron and sulfur, could improve the safety and […]
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