公开(公告)号：US12119416B2

公开(公告)日：2024-10-15

申请号：US17287988

申请日：2019-10-23

Applicant: First Solar, Inc.

Inventor： Le Chen ,  Sachit Grover ,  Jason Kephart ,  Sergei Kniajanski ,  Chungho Lee ,  Xiaoping Li ,  Feng Liao ,  Dingyuan Lu ,  Rajni Mallick ,  Wenming Wang ,  Gang Xiong ,  Wei Zhang

IPC: H01L31/0216 ,  H01L31/0296 ,  H01L31/073

CPC classification number: H01L31/02167 ,  H01L31/02963 ,  H01L31/073

Abstract: According to the embodiments provided herein, a photovoltaic device can include a buffer layer adjacent to an absorber layer doped p-type with a group V dopant. The buffer layer can have a plurality of layers compatible with group V dopants.

公开(公告)号：US20220285569A1

公开(公告)日：2022-09-08

申请号：US17751189

申请日：2022-05-23

Applicant: First Solar, Inc.

Inventor： Sachit Grover ,  Chungho Lee ,  Xiaoping Li ,  Dingyuan Lu ,  Roger Malik ,  Gang Xiong

IPC: H01L31/0296 ,  H01L31/0304 ,  H01L31/05 ,  H01L31/18

Abstract: According to the embodiments provided herein, a method for forming a photovoltaic device can include depositing a plurality of semiconductor layers. The plurality of semiconductor layers can include a doped layer that is doped with a group V dopant. The doped layer can include cadmium selenide or cadmium telluride. The method can include annealing the plurality of semiconductor layers to form an absorber layer.