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Complementary Analysis of Metallic Templates Fabricated by Nanosphere Lithography

Yadav, PK, George, A, McLaughlin, JAD and Lemoine, P (2009) Complementary Analysis of Metallic Templates Fabricated by Nanosphere Lithography. e-Journal of Surface Science and Nanotechnology, 7 . p. 341. [Journal article]

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URL: http://dx.doi.org/10.1380/ejssnt.2009.341

DOI: doi:10.1380/ejssnt.2009.341


We present a comparative microscopic study on metallic templates prepared by nanosphere lithography. Scanning electron microscopy, low kV Energy dispersive X-ray spectroscopy, scanning ion microscopy, atomic force microscopy and confocal Raman spectroscopy were used to analyse the assembly of the nano-templates. Contact angle measurements allowed us to optimise the surface treatment of the Si substrate to obtain maximal spreading and regularity of the nanosphere arrays. After metal deposition and toluene nanosphere removal, we found the expected interstitial triangular structures, originating from the 2D single layer hexagonal sphere array. We also detected a number of other features such as rings, circles, cups and lines which were found to be generally positioned below the nanospheres. A review of proposed mechanisms and the various analysis performed here indicate that some of these features are partly polymeric and partly caused by residual material leaching out of the nanospheres at various stages of the process.

Item Type:Journal article
Keywords:Nano-rings; Nanosphere lithography; Atomic force microscopy
Faculties and Schools:Faculty of Computing & Engineering
Faculty of Computing & Engineering > School of Engineering
Research Institutes and Groups:Engineering Research Institute
Engineering Research Institute > Nanotechnology & Integrated BioEngineering Centre (NIBEC)
ID Code:409
Deposited By: Mrs Ann Blair
Deposited On:28 Oct 2009 13:22
Last Modified:15 Jun 2011 09:51

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