Tightly packed crystals in a nanocrystal semiconductor: the model developed by ETH researchers describes every single atom. (Visualisation: ETH Zurich / Nature Communications)
Tightly packed crystals in a nanocrystal semiconductor: the model developed by ETH researchers describes every single atom. (Visualisation: ETH Zurich / Nature Communications) - Researchers have provided the first theoretical explanation for how electrical current is conducted in semiconductors made of nanocrystals. In the future, this could lead to the development of new sensors, lasers or LEDs for TV screens. A few years ago, we were introduced to TV screens featuring QLED technology that produces brilliant colours. The "Q" here stands for "quantum dot". Quantum dots are crystals of a semiconductor material only a few nanometres in size that consist of a couple of thousand atoms. Those nanocrystals are so tiny that the electrons in them can only take on certain well-defined quantum mechanical energy levels.
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