journal article·2020-04Open access

Sn‐Based Alloys Synthesized in an Ionic Liquid at Room Temperature: Cu6Sn5 as a Case Study

Nadia Soulmi, Ana Gabriela Porras Gutierrez, Cécile Rizzi, Juliette Sirieix‐Plénet, Laurent Gaillon, Henri Groult, Anne‐Laure Rollet, Evrim Umut, Danuta Kruk, Mathieu Duttine, Olaf. J. Borkiewicz, Oleg I. Lebedev, Damien Dambournet

ChemNanoMat· Volume 6· Issue 4

Abstract

Abstract Sn‐based alloys are increasingly investigated owing to possible electronic/structural modulations of interest for electrocatalysis and energy storage applications. Here, we report on the use of a chemical system consisting of an ionic liquid (1‐ethyl‐3‐ methylimidazolium bis(trifluoromethanesulfonyl)imide: [EMIm+][TFSI−]) and Sn‐based precursor Sn(TFSI)2 both featuring similar anionic groups. This strategy increases the solubility of the cationic precursor in the IL and avoids the formation of side‐products during the precipitation of Sn‐nanoparticles formed upon reaction with a reducing agent (NaBH4). Using NMR relaxometry, we further established that these nanoparticles are stabilized by specific interactions with the cationic group of the IL. Targeting the composition Cu6Sn5, we further demonstrated that this approach can be used to prepare Sn‐based alloys which could not be prepared using conventional chloride‐based precursors.
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Research context

OpenAlex topics: Ionic liquids properties and applications · Advanced battery technologies research · Supercapacitor Materials and Fabrication

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Sorbonne Université CNRS Physico-chimie des électrolytes et nano-systèmes interfaciaux PHENIX F-75005 Paris France

Réseau sur le Stockage Electrochimique de l'Energie (RS2E) FR CNRS 3459 80039 Amiens Cedex France

Faculty of Mathematics and Computer Science University of Warmia and Mazury in Olsztyn Słoneczna 54 10710 Olsztyn Poland

Dokuz Eylul University Department of Medical Imaging Techniques 35330 Izmir Turkey

CNRS Univ Bordeaux ICMCB, UPR 9048 F-33600 Pessac France

X-ray Science Division Advanced Photon Source Argonne National Laboratory 60439 Argonne, Illinois USA

Laboratoire CRISMAT ENSICAEN Université de Caen CNRS 6 Bd Maréchal Juin F-14050 Caen France

Funding

COST · Labex Michem · labex Matisse · U.S. DOE · National Science Centre, Poland

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