Figure 4.
(a) X-ray diffraction (XRD) patterns for BPPCF and N-BPPCF samples. X-ray photoelectron spectroscopy (XPS) spectra of (b) C 1s, (c) O 1s and (d) N 1s for as-obtained BPPCF and N-BPPCF.
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.