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Title: Investigation of transmission of Au films with nanohole arrays created by nanosphere lithography
Authors: Wang, B.
Gao, H.
Lau, J.Y.
Chua, S.J. 
Issue Date: Apr-2012
Citation: Wang, B., Gao, H., Lau, J.Y., Chua, S.J. (2012-04). Investigation of transmission of Au films with nanohole arrays created by nanosphere lithography. Applied Physics A: Materials Science and Processing 107 (1) : 139-143. ScholarBank@NUS Repository.
Abstract: In this report, we present experimental results of transmittance through nanohole arrays created onto Au films on glass substrates. 110-nm-thick Au films with arrays of nanoholes were fabricated by using self-assembled polystyrene spheres, of which the diameters were reduced to designed values on site by dry etching, as a template. Transmission spectra of the nanostructured Au films show strong enhancement (more than 45%) in a wide range from 300 nm to 1600 nm, the measurement wavelength range. Besides a peak observed at around 500 nm in all spectra, a wider peak on the longer wavelength side was observed, which shifted to longer wavelength when periodicities of the hole arrays were increased. © 2012 Springer-Verlag.
Source Title: Applied Physics A: Materials Science and Processing
ISSN: 09478396
DOI: 10.1007/s00339-012-6758-0
Appears in Collections:Staff Publications

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