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Abstract
To improve the dispersion ability of CuO nanoparticles (NPs), their surface was modified by chiral diacids (DAs) containing amino acids. The surface modification process was achieved using ultrasonic irradiation. DA could be absorbed on the surface of CuO. The carboxyl groups of DA may interact with surface of CuO NPs and form covalent bond with it. Interactions between DAs and CuO NPs were investigated by different techniques. The X-ray diffraction patterns proved that modification process does not change the crystalline phase of CuO. The results confirmed successful deposition of the organic functional groups on the surface of NPs.
Funding
The authors would like to acknowledge the help and support of the Research Affairs Division of Isfahan University of Technology (IUT), Isfahan. They also gratefully acknowledge National Elite Foundation (NEF), Iran Nanotechnology Initiative Council (INIC), and Center of Excellency in Sensors and Green Chemistry Research (IUT) for financial assistance to carry out this work.