Fig. 4
From: A copper-doped ZIF-8: a high-performance catalyst for eco-friendly Ullmann and Biginelli reactions

FT-IR spectrum of ZIF-8 and Cu@ZIF-8.
From: A copper-doped ZIF-8: a high-performance catalyst for eco-friendly Ullmann and Biginelli reactions

FT-IR spectrum of ZIF-8 and Cu@ZIF-8.