Solar nanocrystals float in printable ink
from University of Southern California via Futurity
Scientists have developed a potential pathway to cheap, stable solar cells made from nanocrystals so small they can be painted onto clear surfaces as liquid ink. The solar nanocrystals are about four nanometers in size — meaning you could fit more than 250,000,000,000 on the head of a pin — and float them in a liquid solution, so "like you print a newspaper, you can print solar cells," says Richard L. Brutchey, assistant professor of chemistry at University of Southern California.
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