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.
SEM images of CuO superstructure prepared by immersing octahedral Cu-MOFs in 0.1 M NaOH for different time at room temperature: (A) 1 h, (B) 2 h, (C) 5 h, (D) 12 h, and high-magnification SEM images for different time: (E) 10 min, (F) 20 min, (G) 30 min and (H) 1 h.
