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Issue 6, 2007
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Ionic liquids as green electrolytes for the electrodeposition of nanomaterials

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Abstract

Ionic liquids, especially air and water stable ones, experience much attention, since they have attractive physical properties. We exemplify in this paper the potential of ionic liquids in the electrodeposition of nanocrystalline metals without additives. The results show that nanocrystalline copper and aluminium can be electrodeposited in the air and water stable ionic liquids 1-butyl-1-methylpyrrolidinium trifluoromethanesulfonate ([BMP]TFO) and 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)amide ([BMP]Tf2N), respectively, on conventional solid electrodes with sufficient electronic conductivity. Generally, the obtained Al or Cu deposits are shiny, dense and adherent with very fine crystallites with average sizes of about 30 and 40 nm, respectively. The [BMP]+ cation might act as a grain refiner, leading to nanosized deposits. The results of first attempts to use plasmas as mechanically contact-free electrodes for the cathodic deposition of nanoscaled metals (glow discharge electrodeposition) are also presented. The relevance of our results for the development of a green process to make nanomaterials as catalysts for fuel processing is briefly discussed.

Graphical abstract: Ionic liquids as green electrolytes for the electrodeposition of nanomaterials

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Publication details

The article was received on 05 Oct 2006, accepted on 12 Feb 2007 and first published on 05 Mar 2007


Article type: Paper
DOI: 10.1039/B614520E
Citation: Green Chem., 2007,9, 549-553
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    Ionic liquids as green electrolytes for the electrodeposition of nanomaterials

    S. Z. E. Abedin, M. Pölleth, S. A. Meiss, J. Janek and F. Endres, Green Chem., 2007, 9, 549
    DOI: 10.1039/B614520E

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