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Tailoring InSb Nanowires for High Thermoelectric Performance Using AAO Template-Assisted Die Casting Process
| Content Provider | MDPI |
|---|---|
| Author | Vivekanandan, Alangadu Kothandan Lee, Chen-Wei Wu, Rui-Zhe Tsai, Wei-Han Chen, Shih-Hsun Chen, Yang-Yuan Lin, Chia-Ting |
| Copyright Year | 2022 |
| Description | Herein, we demonstrate a facile technique for the fabrication of one-dimensional indium antimonide (InSb) nanowires using anodic aluminium oxide (AAO) template-assisted vacuum die-casting method. The filling mechanism of the vacuum die-casting process is investigated on varying AAO pore structures through different electrolytes. It is found that the anodizing electrolytes play a vital role in nanowire growth and structure formation. The as-obtained InSb nanowires from the dissolution process show a degree of high crystallinity, homogeneity, and uniformity throughout their structure. The TEM and XRD results elucidated the InSb zinc-blende crystal structure and preferential orientation along the c-axis direction. The thermoelectric characteristics of InSb nanowires were measured with a four-electrode system, and their resistivity, Seebeck coefficient, power factor, thermal conductivity, and ZT have been evaluated. Further, surface-modified nanowires using the reactive-ion etching technique showed a 50% increase in thermoelectric performance. |
| Starting Page | 2032 |
| e-ISSN | 20794991 |
| DOI | 10.3390/nano12122032 |
| Journal | Nanomaterials |
| Issue Number | 12 |
| Volume Number | 12 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-06-13 |
| Access Restriction | Open |
| Subject Keyword | Nanomaterials Insb Nanowire Vacuum Die-casting Anodic Aluminium Oxide Thermoelectric Properties |
| Content Type | Text |
| Resource Type | Article |
