Thermoelectric Bi 2 Te 3 nanotubes were synthesized using galvanic displacement of nickel nanowires. The composition of Bi 2 Te 3 nanotubes was precisely controlled by adjusting the [Bi 3+ ]/[HTeO 2 + ] ratio in the electrolyte. By combining the premagnetically assembled nickel nanowire and galvanic displacement reaction, individual Bi 2 Te 3 nanotube-based devices were fabricated and their temperature-dependent electrical properties were measured.
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Xiao et al. (2007) studied this question.
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