Abstract
Semimetal Bi and Sb are important thermoelectric materials. Since theoretical calculation predicted that thermoelectric efficiency can be improved as the dimension of materials decreases, the synthesis and physical properties of Bi-based nanostructures (nanowires, nanotubes, nanobelts, nanoplates) have attracted great interests. This review begins with a survey of the patents and reports on the recent developments of Bi-based nanowires. We focus on Bi-based nanowires fabricated by pulsed electrodeposition in anodic alumina membranes, which are main achievements in our group. Based on the literatures and patents, from synthesis of Bi-based nanowires and their alloys and superlattices, to physical properties including electronic transport, thermal expansion, and thermoelectricity will be demonstrated.
Keywords: Nanostructure Arrays, Nanosphere Lithography, lithographic techniques, Deep reactive ion etching (DRIE), electrochemical deposition (ECD), self-assembly, soft lithography, Scanning Tunnelling Microscope (STM), Atomic Force Microscope (AFM), Focused Ion Beam (FIB), NANOSPHERE TEMPLATES, self-assembling process, drop-coating, silica nanosphere, spring-block stick-slip model, Shadow NSL, etching, –, stop layer beneath, Mould NSL, SEM micrographs, nanobowl structure, nanolithography, Uniform hemispherical nickel, Complex NSL
Call for Papers in Thematic Issues
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