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

Elemental mapping of A: ZIF-8 and B: Cu@ZIF-8, revealing the elemental distributions of C, N, O, Zn, and Cu elements.
From: A copper-doped ZIF-8: a high-performance catalyst for eco-friendly Ullmann and Biginelli reactions

Elemental mapping of A: ZIF-8 and B: Cu@ZIF-8, revealing the elemental distributions of C, N, O, Zn, and Cu elements.