Fabrication of double nano-cup assemblies and their anomalous plasmon absorption

Liu, J; Cankurtaran, B; Wuhrer, R; Cortie, M

Fabrication of double nano-cup assemblies and their anomalous plasmon absorption

Liu, J Cankurtaran, B Wuhrer, R Cortie, M

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Publication Type:: Conference Proceeding
Citation:: Conference on Optoelectronic and Microelectronic Materials and Devices, Proceedings, COMMAD, 2008, pp. 228 - 231
Issue Date:: 2008-12-01

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Field	Value	Language
dc.contributor.author	Liu, J	en_US
dc.contributor.author	Cankurtaran, B	en_US
dc.contributor.author	Wuhrer, R	en_US
dc.contributor.author	Cortie, M https://orcid.org/0000-0003-3202-6398	en_US
dc.date.issued	2008-12-01	en_US
dc.identifier.citation	Conference on Optoelectronic and Microelectronic Materials and Devices, Proceedings, COMMAD, 2008, pp. 228 - 231	en_US
dc.identifier.isbn	9781424427178	en_US
dc.identifier.uri	http://hdl.handle.net/10453/11874
dc.description.abstract	Double-cup assemblies of nanoscale gold semi-shells have been synthesized using a combination of thermal evaporation and chemical etching. The optical extinction of these structures peaked at 740 nm, but there was also evidence of additional extinction maxima at 560, 940 and 1110 nm. Numerical simulations of the optical properties revealed that the extinction was due mainly to scattering rather than to absorption In contrast, the extinction in simple single-shell nanocups was strongly absorptive in nature. Multiple plasmon resonances were identified in the double-cup structures, including an interesting quadrupole resonance in which oscillations of the inner and outer shells should operate 180° out-of-phase. © 2008 IEEE.	en_US
dc.relation.ispartof	Conference on Optoelectronic and Microelectronic Materials and Devices, Proceedings, COMMAD	en_US
dc.relation.isbasedon	10.1109/COMMAD.2008.4802133	en_US
dc.title	Fabrication of double nano-cup assemblies and their anomalous plasmon absorption	en_US
dc.type	Conference Proceeding
utslib.for	0205 Optical Physics	en_US
dc.location.activity	Sydney	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access
pubs.publication-status	Published	en_US

Abstract:

Double-cup assemblies of nanoscale gold semi-shells have been synthesized using a combination of thermal evaporation and chemical etching. The optical extinction of these structures peaked at 740 nm, but there was also evidence of additional extinction maxima at 560, 940 and 1110 nm. Numerical simulations of the optical properties revealed that the extinction was due mainly to scattering rather than to absorption In contrast, the extinction in simple single-shell nanocups was strongly absorptive in nature. Multiple plasmon resonances were identified in the double-cup structures, including an interesting quadrupole resonance in which oscillations of the inner and outer shells should operate 180° out-of-phase. © 2008 IEEE.

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http://hdl.handle.net/10453/11874