Synthesis of Copper Nanoparticles Coated with Nitrogen Ligands

Table 1

Results of the synthesis of copper nanoparticles by wet chemical reduction method.

Sample	PAAm/Cu	AAm/Cu	Chemical composition	Average diameter (nm)	Yield (%)	Ligand (%)
R1*	2.00	0.0	Cu	13.0	52.0	30.3
R2	0.0	97.0	Cu	30.0	36.0	5.6
R3	0.11	0.0	Cu	24.0	86.0	3.2
R4	0.46	0.0	Cu	19.0	75.0	5.1

Molar ratios of reagents in the synthesis of copper nanoparticles using a N₂H₄/Cu molar ratio of 38.0 and a NaOH/Cu molar ratio of 8.0. *Partially crosslinked PAAm.