Used as a semiconductor in rectifiers and suppressors for many years, selenium occurs naturally on the earth. Its popularity as a rectifier is fading in favor of its silicon equivalent. However, ...
Scientists in Denmark attempted for the first time to build a selenium-silicon tandem solar cell and found the device was immediately able to deliver a remarkable open-circuit voltage. Despite its ...
Silicon is at the heart of nearly all semiconductors. It's a well-understood material that has stood the test of time since the late 1960s, when it first displaced germanium as the material of choice ...