Shooting powerful lasers at thin gold flakes has revealed how the precious metal generates its own faint glow – and might help us better control chemical reactions used in energy storage ...

Tagliabue explains that, using a thin film of monocrystalline gold produced with a novel synthesis technique, the team studied the photoluminescence process as they made the metal thinner and thinner.

How gold got where it is. The past several years have seen plenty of ups and downs in the gold market. The yellow metal set an all-time high of $2,075 per ounce in August 2020 as uncertainty ...