Abstract
The silicon nanowires (SiNWs) comprise a core-shell structure. Contrasted to conventional volume doping to modulate the transport properties of SiNWs, recent studies have revealed an economic and non-destructive approach to induce doping through surface engineering. In this review, extensive first principles theoretical investigations are presented which revealed the influence of surface passivation and ambience in modulating the conductivity of SiNWs. The theoretical findings rationalize several experimental results and provide useful pointers for tuning the electrical properties of nanomaterials.
Keywords: Adsorbate, ambience, carrier concentration, conductivity, nanowire core, defect, delocalization, doping, majority, minority, A surface passivation, Nanoscience, Nano- technology
Nanoscience & Nanotechnology-Asia
Title: Conductivity Enhancement by Surface Chemistry in Silicon Nanowires
Volume: 1 Issue: 2
Author(s): Rui-Qin Zhang, Kun-Peng Dou and Abir De Sarkar
Affiliation:
Keywords: Adsorbate, ambience, carrier concentration, conductivity, nanowire core, defect, delocalization, doping, majority, minority, A surface passivation, Nanoscience, Nano- technology
Abstract: The silicon nanowires (SiNWs) comprise a core-shell structure. Contrasted to conventional volume doping to modulate the transport properties of SiNWs, recent studies have revealed an economic and non-destructive approach to induce doping through surface engineering. In this review, extensive first principles theoretical investigations are presented which revealed the influence of surface passivation and ambience in modulating the conductivity of SiNWs. The theoretical findings rationalize several experimental results and provide useful pointers for tuning the electrical properties of nanomaterials.
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Cite this article as:
Zhang Rui-Qin, Dou Kun-Peng and De Sarkar Abir, Conductivity Enhancement by Surface Chemistry in Silicon Nanowires, Nanoscience & Nanotechnology-Asia 2011; 1 (2) . https://dx.doi.org/10.2174/2210681211101020177
DOI https://dx.doi.org/10.2174/2210681211101020177 |
Print ISSN 2210-6812 |
Publisher Name Bentham Science Publisher |
Online ISSN 2210-6820 |
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