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Article Dans Une Revue Electrochemistry Communications Année : 2012

Template-free electrodeposition of tellurium nanostructures in a room-temperature ionic liquid

Jonathan Szymczak
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Sophie Legeai
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Sebastien Diliberto
Sylvie Migot
Nicolas Stein
Clotilde Boulanger

Résumé

We report template-free electrodeposition of tellurium (Te) 1D nanostructures at moderate temperature (<= 100 degrees C), using a piperidinium-based ionic liquid mixture: 1-ethyl-1-octylpiperidinium bis(trifluoromethylsulfonyl)imide: 1-ethyl-1-octylpiperidinium bromide (EOPipTFSI:EOPipBr). Single crystalline nanowires were obtained, with diameter ranging from 30 nm to 200 nm depending on experimental conditions. A preferential growth was observed along the [001] direction. The presence of bromide is necessary for the growth of nanowires. The temperature plays also a major role: the crystallinity of Te nanowires is improved by increasing temperature, whereas more homogeneous size distribution is observed at lower temperature.

Domaines

Chimie

Dates et versions

hal-01494531 , version 1 (23-03-2017)

Identifiants

Citer

Jonathan Szymczak, Sophie Legeai, Sebastien Diliberto, Sylvie Migot, Nicolas Stein, et al.. Template-free electrodeposition of tellurium nanostructures in a room-temperature ionic liquid. Electrochemistry Communications, 2012, 24, pp.57-60. ⟨10.1016/j.elecom.2012.08.013⟩. ⟨hal-01494531⟩
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