Tiny crystal of power

Tallinn, Estonia (SPX) Dec 06, 2021
This crystal of iron pyrite, just four hundredths of a millimetre in size, could function as the light absorbing layer of a tiny solar cell – potentially a promising future source of power on the Moon. Working with Estonia’s Tallinn University of Technology (TalTech), ESA has studied the production of sandpaper-like rolls of such microcrystals as the basis of monograin-layer solar cells. This article was originally published by Solardaily.com. Read the original article here.