Ionic Liquids as Size‐ and Shape‐Regulating Solvents for the Synthesis of Cobalt Nanoparticles1. Issue 12 (15th July 2015)

• Record Type: Journal Article
• Authors: Essig, Sarah; Behrens, Silke
• Is Part Of: Chemie Ingenieur Technik. Volume 87:Issue 12(2015:Dec.)
• Page Start: 1741
• Page End: 1747
• Publication Date: 2015-07-15
• Subjects: Co nanoparticles -- Control of size and morphology -- Ionic liquids; Chemical engineering -- Patents -- Periodicals; Chemical engineering -- Periodicals; Chemical industry -- Periodicals; Chemistry, Technical -- Periodicals; 660.05
• DOI: 10.1002/cite.201500036
• Languages: English
• ISSNs: 0009-286X

Abstract

Abstract: Over the last few years, ionic liquids (ILs) have emerged as an important class of reaction media for the synthesis of nanoparticles. The formation and stabilization of nanoparticles was investigated in different ILs to elucidate the effect of the chemical nature of the IL anion, cation and alkyl side chain of the imidazolium. In this context, Co2 (CO)8 was employed as a precursor and thermally decomposed to the metallic cobalt nanoparticles in a series of selected ILs, where either the IL cation or anion was varied while keeping all of the other parameters constant. The results show that both the molecular volume of the anion and cation and the steric configuration are important aspects to control the formation and stability of nanoparticles in ILs. Abstract : Ionic liquids (ILs) were employed as a solvent platform for the synthesis of Co nanoparticles. The effect of the chemical composition of the IL on the size and shape of the nanoparticles is investigated. It is shown that the formation and stabilization of the metal nanoparticles sensitively depends on the reaction parameters and the character of the structurally and dynamically complex liquids.