Vertically aligned diamond nanowires: fabrication, characterization, and application for DNA sensing

Yang, Nianjun, Uetsuka, Hiroshi, Williams, Oliver Aneurin ORCID: https://orcid.org/0000-0002-7210-3004, Osawa, Eiji, Tokuda, Norio and Nebel, Christoph E. 2009. Vertically aligned diamond nanowires: fabrication, characterization, and application for DNA sensing. Physica Status Solidi a Applications and Materials Science 206 (9) , pp. 2048-2056. 10.1002/pssa.200982222

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Abstract

In this review, we introduce a novel procedure to fabricate vertically aligned diamond nanowires with controlled geometrical properties like length and distance between wires by use of nanodiamond particles as a hard mask and by use of reactive ion etching. We summarize the characterizations of nanowires by atomic force microscopy and scanning tunneling microscopy as well as electrochemical techniques. In the last section, we show biofunctionalization of nucleic acid molecules on diamond nanowires using electrochemically bond nitrophenyl molecules as linker for deoxyribonucleic acid (DNA) sensing. The tip biofunctionalization and performance of as-prepared DNA sensors are discussed in detail.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Uncontrolled Keywords:	68.37.Ps; 68.47.Pe; 68.65.La; 81.05.Uw; 82.39.Pj; 87.85.J–
Publisher:	Wiley
ISSN:	1862-6300
Last Modified:	19 Oct 2022 08:31
URI:	https://orca.cardiff.ac.uk/id/eprint/18056

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