Synthesis, characterization, and thermoelectric properties of superconducting (BEDT-TTF)2I3 nanoparticles

Synthesis, characterization, and thermoelectric properties of superconducting (BEDT-TTF)2I3 nanoparticles

The synthesis of (BEDT-TTF)2I3 in the presence of two neutral amphiphilic molecules [N-octylfurfurylimine and 1-octanamine, N-(2-thienylmethylene)] leads to single and aggregated nanoparticles of 2 to 6 nm size. The samples contain highly crystalline nanoparticles of the beta CO-(BEDT-TTF)2I3 phase,...

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Veröffentlicht in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2016-08, Vol.4 (31), p.7449-7454
Hauptverfasser: Chtioui-Gay, I, Faulmann, C, de Caro, D, Jacob, K, Valade, L, de Caro, P, Fraxedas, J, Ballesteros, B, Steven, E, Choi, E S, Lee, M, Benjamin, S M, Yvenou, E, Simonato, J-P, Carella, A
Format: Artikel
Sprache:eng
Schlagworte:
Aggregates
Crystal structure
Magnetic permeability
Nanoparticles
Phase transformations
Superconductivity
Synthesis
Thermoelectricity
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Zusammenfassung:The synthesis of (BEDT-TTF)2I3 in the presence of two neutral amphiphilic molecules [N-octylfurfurylimine and 1-octanamine, N-(2-thienylmethylene)] leads to single and aggregated nanoparticles of 2 to 6 nm size. The samples contain highly crystalline nanoparticles of the beta CO-(BEDT-TTF)2I3 phase, confirmed by XRD. Temperature dependent resistance and magnetic susceptibility studies evidence the superconducting transition characteristics of the beta CO-(BEDT-TTF)2I3 phase. The I-V curve of a single nanoparticle aggregate, measured using AFM, exhibits an expected semiconductor-like behaviour. Thermoelectric studies led to a ZT of 1.47 10-3 at 300 K.
ISSN:2050-7526
2050-7534
DOI:10.1039/c6tc01378c