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.
a) UV–vis spectra of neat films of tetra‐PDI and PBDTT‐F‐TT, and their blend film; b) J–V characteristics of the PBDTT‐F‐TT:tetra‐PDI or mono‐PDI BHJ‐based device with inverted structure; c) Steady PL spectra of tetra‐PDI (excited at 457 nm), PBDTT‐F‐TT (excited at 650 nm), and PBDTT‐F‐TT:tetra‐PDI (1:1.2, w/w) (excited at 457 and 650 nm); d) EQE spectra of PBDTT‐F‐TT:tetra‐PDI with or without CN, and PBDTT‐F‐TT:mono‐PDI.
