Color-coding aids evaluation of new solar tech materials

https://phys.org/news/2023-02-color-coding-aids-solar-tech-materials.html

"harness blue light more efficiently resulting in markedly higher power output... When there's more disorder, you have more energy migration, and that changes the color of the framework... blue photons of MOF indicate higher energy states, more disorder, and more energy being emitted... excited electrons have to move to some kind of interface where the electrons get separated and turned into energy. Sometimes that distance is very short, like 10 nanometers. But it can be 10 times longer or even more"

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