People Innovation Excellence

Collodial Semiconductors Challenge Amorphous Silicon

Amorphous silicon has been the “king of the hill” when it comes to thin, fast, and flexible semiconductors, but researchers at the University of Pennsylvania believe they have knocked the king off his throne and maybe right into the past. The U Penn research team, led by doctoral students David Kim and Yuming Lai along with Professor Cherie Kagan, have used cadmium selenide nanocrystals (which are proving themselves useful in a number of areas)  to deliver devices that can move electrons 22 times faster than in amorphous silicon. [Read More]


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