Universität zu Köln

Kessler, Michael T., Hentschel, Maria K., Heinrichs, Christina, Roitsch, Stefan and Prechtl, Martin H. G. ORCID: 0000-0003-2155-8006 (2014). Fast track to nanomaterials: microwave assisted synthesis in ionic liquid media. RSC Adv., 4 (27). S. 14149 - 14157. CAMBRIDGE: ROYAL SOC CHEMISTRY. ISSN 2046-2069

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Abstract

Herein we present a general approach to metal and metal oxide nanoparticles using simple metal salts as starting materials. The reducing agent can be delivered in the form of the anion incorporated into the metal precursor respectively ionic liquid. Exemplary we demonstrate the synthesis of Cu and Ag as well as ZnO and NiO nanoparticles generated either from acetate or carbonate salts. All particles are synthesised by microwave heating without the necessity of inert conditions. Two different types of ionic liquids have been used as reaction media - tetra-n-butylphosphonium acetate (n-Bu4POAc) and 1-butyl-2,3-dimethylimidazolium N,N-bis(trifluoromethylsulfonyl)imid (bmmim NTf2). In this case, the choice of the ionic liquid seems to have significant influence on the size, shape and dispersity of the synthesised particles. It is clearly shown that the acetate anion present in all reaction mixtures can act as an inexpensive and nontoxic reducing agent. The final products in solid, liquid and gaseous phase have been characterised by XRD, TEM, NMR, FT-IR and online gas-phase MS.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Kessler, Michael T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Hentschel, Maria K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Heinrichs, Christina UNSPECIFIED UNSPECIFIED UNSPECIFIED Roitsch, Stefan UNSPECIFIED UNSPECIFIED UNSPECIFIED Prechtl, Martin H. G. UNSPECIFIED orcid.org/0000-0003-2155-8006 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-450591
DOI:	10.1039/c3ra47801g
Journal or Publication Title:	RSC Adv.
Volume:	4
Number:	27
Page Range:	S. 14149 - 14157
Date:	2014
Publisher:	ROYAL SOC CHEMISTRY
Place of Publication:	CAMBRIDGE
ISSN:	2046-2069
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language OLEFIN TRANSPORT MEMBRANES; COPPER NANOPARTICLES; ELECTROSTERIC STABILIZATION; SEMICONDUCTOR CLUSTERS; METAL NANOPARTICLES; GOLD NANOPARTICLES; COUPLING REACTIONS; SILVER NANOWIRES; ARYL CHLORIDES; NANO-OBJECTS Multiple languages Chemistry, Multidisciplinary Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/45059