Synthesis of some metal nanoparticles using the effective media of choline chloride based deep eutectic solvents

Abstract

Nanoparticles are potential candidates for numerous biological as well as chemical applications due to their exotic properties 1 - 3. Low lattice energy ions are found in deep eutectic solvents (DES). A quaternary ammonium salt is frequently complexed with a metal salt or hydrogen bond donor to produce these compounds (HBD) 4 - 6. The green synthesis of nanoparticles using DESs is always eco-friendly and attractive. The current study focuses on the synthesis of mercuric sulphide, Zirconium oxide, Manganese oxide and Copper oxide nanoparticles using the Choline Chloride - Ethylene Glycol DES as the solvent in presence of a reducing agent, hydrazine hydrate. The UV-Visible, FTIR spectra, XRD, SEM and EDAX analysis were carried out on these metal nanoparticles. The average sizes of these metal nanoparticles were found to be 50 to 150 nm. Hence the green synthesis of metal nanoparticles using Ch. Cl – EG can be considered as an alternative route in chemical synthesis of metal nanoparticles.