Figure 2.
Field-emission scanning electron microscopy (FE-SEM) images of mesophase pitch-based carbon fibers (MPCFs) with different lengths: (a) 50 μm, (b) 200 μm, and (c) 6 mm, and (d) reduced graphene oxide (rGO).
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.