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Rule-Breaking Perovskites

A material from the perovskite family of semiconductors emits light much more efficiently than expected. The explanation for this anomalous behaviour could lead to improvements in light-emitting technology. When a semiconductor absorbs light, a particle-like entity called an exciton can be produced. Excitons comprise an electron and a hole (the absence of an electron), and

Energy Storage Solution Combines Polymers and Nanosheets

A new, lightweight composite material for energy storage in flexible electronics, electric vehicles and aerospace applications has been experimentally shown to store energy at operating temperatures well above current commercial polymers, according to a team of Penn State scientists. This polymer-based, ultrathin material can be produced using techniques already used in industry. This is the

Synthetic Tooth Enamel May Lead to More Resilient Structures

Unavoidable vibrations, such as those on airplanes, cause rigid structures to age and crack, but researchers at the University of Michigan may have an answer for that—design them more like tooth enamel, which could lead to more resilient flight computers, for instance. Most materials that effectively absorb vibration are soft, so they don”t make good