主权项 |
1. A method of forming a thin-film solar cell absorber layer, the absorber layer having a first surface that is light receiving, the method comprising:
forming a first layer on a substrate, wherein the first layer comprises copper, indium, gallium, and selenium and includes a gallium-rich region; forming a second layer above the first layer via thermal pyrolysis of trimethyl gallium (TMGa), wherein the second layer comprises gallium; and exposing the second layer to heat and a selenium-containing gas to convert the second layer to a third layer that comprises gallium and selenium. |