An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The cross-section of the photovoltaic cell is shown here. The InGaAs active layer has a bandgap of 0.75 eV. The rear Au layer acts as the reflective mirror. Electrons are collected by the front electrode grid, while holes are collected by the rear Au layer.