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Article

Titre: Individual thermoelectric properties of electrodeposited bismuth telluride nanowires in polycarbonate membranes
Auteurs: Chang, Taehoo, Cho, Sungmee, Kim, Jeongmin, Schoenleber, Jonathan, Frantz, Cedric, Stein, Nicolas, Boulanger, Clotilde and Lee, Wooyoung
Journal: Electrochimica Acta
Annee: 2015
Volume: 161
Pages: 403-407
Abstract: In this study, we examd. individual bismuth telluride nanowires (NWs) electrodeposited in polycarbonate membranes (PCM) used as sacrificial templates. It has been demonstrated that the compn. of Bi2Te3 is controlled by the electrodeposition conditions, e.g. the applied potential. High-resoln. transmission electron microscopy (HRTEM) shows that the av. grain size of NWs increases with increasing Te content. Our results also reveal that the electrodeposited bismuth telluride NWs are n-type, and their elec. cond. increases with increasing Te content. These NWs also demonstrated a max. power factor of 195.8 mW/m·K2 for the Te-rich NW (d = 162 nm) at 300 K. [on SciFinder(R)]
Equipe: Département CP2S : Chimie et électrochimie des matériaux

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