Table 3 Data obtained from surface isotherms of nitrogen adsorption-desorption of ZIF-8 and Cu@ZIF-8.

From: A copper-doped ZIF-8: a high-performance catalyst for eco-friendly Ullmann and Biginelli reactions

Sample

Effective surface area (m2/g)

Average pore size (nm)

ZIF-8

1630

0.9934

Cu@ZIF-8

1275.93

1.1943