As conventional silicon-based cells approach their intrinsic limits, there has been a surge of research on alternative thin-film solar cell technologies, including among others organic, perovskite ...

How Do Solar Panels Work? By Stephanie Chasteen and Rima Chaddha; Posted 04.24.07; NOVA; We've seen them for years on rooftops, atop highway warning signs, and elsewhere, but how many of us know ...

Thin film solar cells, which can be only nanometers thick, have a lot of potential. These are cheaper and lighter, but because they’re less efficient, we usually use them only in watches and ...