Figure 4.
(a) J–V characteristics of thin films in hole-conducting-only devices without doping. (b) Current–voltage characteristics of different HTM films with same amount doping as for the solar cells.
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.