Abstract
Improving device performance and extending Moore's Law can be aided through active solid-state cooling, using thermoelectric (TE) materials with a high figure of merit (zT > 1). TE nanowires promise a path to higher zT, and electrochemical deposition (ECD) is a simple and scalable means for synthesizing TE nanowires. In this paper we report the ECD of 75 nm diameter nanowire arrays with a nominal composition of Bi2(Te0.95Se0.05)3 onto Si substrates. These nanowires show an improved level of compositional control than previously observed for TE nanowires in this system by ECD. This results from our new non-aqueous bath combined with recently described methods for template formation on Si.
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