Nanotips: Growth, Model, and Applications

Authors: Chattopadhyay, Surojit¹; Chen, Li-Chyong²; Chen, Kuei-Hsien²

Source: Critical Reviews in Solid State and Material Sciences, Volume 31, Numbers 1-2, -2/January-June 2006 , pp. 15-53(39)

Publisher: Taylor and Francis Ltd

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Abstract:

The tip morphology in the nanoscale is discussed as a member of the one-dimensional nanostructure family. Different growth techniques used for the synthesis of the nanotips have been outlined and compared against each other including, etching, pyrolysis, physical, and chemical vapour deposition. Growth models for hollow and solid nanotips are compared and discussed in detail with a thrust on the `cone-helix' model for the hollow tips and the `platelet stacking' model for the solid tips. Application of the nanotips in field emission, scanning probe microscopy, sensing, anti-reflection, and nanoindentation is discussed.

Keywords: Nanotips; apex angle; disclination angle; chemical vapour deposition; platelet stacking

Document Type: Research article

DOI: http://dx.doi.org/10.1080/10408430600689299

Affiliations: 1: Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan 2: Centre for Condensed Matter Sciences, National Taiwan University, Section–4, Taipei, Taiwan

Publication date: 2006-01-01