Khaled Zeyada 🇵🇸 from Rafah on Nostr: And then there’s the junction where n-type and p-type silicon meet. At this ...

And then there’s the junction where n-type and p-type silicon meet. At this boundary, electrons from the n-layer side diffuse to the p-type layer, and an electric field forms.

It’s very clever, it only relies on light, and it’s inexhaustible.