Single-polycrystalline core-shell silicon nanowires grown on copper

Kate J. Norris; Junce Zhang; David M. Fryauf; Elane Coleman; Gary S. Tompa; Nobuhiko P. Kobayashi

doi:10.1117/12.2024283

19 September 2013 Single-polycrystalline core-shell silicon nanowires grown on copper

Kate J. Norris, Junce Zhang, David M. Fryauf, Elane Coleman, Gary S. Tompa, Nobuhiko P. Kobayashi

Proceedings Volume 8820, Nanoepitaxy: Materials and Devices V; 882013 (2013) https://doi.org/10.1117/12.2024283
Event: SPIE NanoScience + Engineering, 2013, San Diego, California, United States

Abstract

The growth of silicon core-shell nanowires with a crystalline-core and a polycrystalline-shell on copper substrates pretreated with carbon via Plasma Enhanced Chemical Vapor Deposition (PECVD) was demonstrated. The nanowire diameters range from 120 to 250nm with 10-20nm crystalline cores. The overall large diameter enables easier methods of forming an electrical/thermal contact while the small core maintains the benefits of nanowires. By altering the copper surface with carbon, highly dense silicon nanowire networks can be directly grown on copper substrates, which could allow for efficient and economical incorporation of silicon nanowires into such applications as thermoelectric devices.

Citation Download Citation

Kate J. Norris, Junce Zhang, David M. Fryauf, Elane Coleman, Gary S. Tompa, and Nobuhiko P. Kobayashi "Single-polycrystalline core-shell silicon nanowires grown on copper", Proc. SPIE 8820, Nanoepitaxy: Materials and Devices V, 882013 (19 September 2013); https://doi.org/10.1117/12.2024283

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