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- Publisher Website: 10.1364/OE.16.010701
- Scopus: eid_2-s2.0-47249109405
- PMID: 18607486
- WOS: WOS:000257564100079
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Article: Bimetallic structure fabricated by laser interference lithography for tuning surface plasmon resonance
Title | Bimetallic structure fabricated by laser interference lithography for tuning surface plasmon resonance |
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Authors | |
Issue Date | 2008 |
Citation | Optics Express, 2008, v. 16, n. 14, p. 10701-10709 How to Cite? |
Abstract | Tuning of surface plasmon resonance by gold and silver bimetallic thin film and bimetallic dot array is investigated. Laser interference lithography is applied to fabricate the nanostructures. A bimetallic dot structure is obtained by a lift-off procedure after gold and silver thin film deposition by an electron beam evaporator. Surface plasmon behaviors of these films and nanostructures are studied using UV-Vis spectroscopy. It is observed that for gold thin film on quartz substrate, the optical spectral peak is blue shifted when a silver thin film is coated over it. Compared to the plasmon band in single metal gold dot array, the bimetallic nanodot array shows a similar blue shift in its spectral peak. These shifts are both attributed to the interaction between gold and silver atoms. Electromagnetic interaction between gold and silver nanostructures is discussed using a simplified spring model. © 2008 Optical Society of America. |
Persistent Identifier | http://hdl.handle.net/10722/219582 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Liu, C. H. | - |
dc.contributor.author | Hong, M. H. | - |
dc.contributor.author | Cheung, H. W. | - |
dc.contributor.author | Zhang, F. | - |
dc.contributor.author | Huang, Z. Q. | - |
dc.contributor.author | Tan, L. S. | - |
dc.contributor.author | Hor, T. S A | - |
dc.date.accessioned | 2015-09-23T02:57:27Z | - |
dc.date.available | 2015-09-23T02:57:27Z | - |
dc.date.issued | 2008 | - |
dc.identifier.citation | Optics Express, 2008, v. 16, n. 14, p. 10701-10709 | - |
dc.identifier.uri | http://hdl.handle.net/10722/219582 | - |
dc.description.abstract | Tuning of surface plasmon resonance by gold and silver bimetallic thin film and bimetallic dot array is investigated. Laser interference lithography is applied to fabricate the nanostructures. A bimetallic dot structure is obtained by a lift-off procedure after gold and silver thin film deposition by an electron beam evaporator. Surface plasmon behaviors of these films and nanostructures are studied using UV-Vis spectroscopy. It is observed that for gold thin film on quartz substrate, the optical spectral peak is blue shifted when a silver thin film is coated over it. Compared to the plasmon band in single metal gold dot array, the bimetallic nanodot array shows a similar blue shift in its spectral peak. These shifts are both attributed to the interaction between gold and silver atoms. Electromagnetic interaction between gold and silver nanostructures is discussed using a simplified spring model. © 2008 Optical Society of America. | - |
dc.language | eng | - |
dc.relation.ispartof | Optics Express | - |
dc.title | Bimetallic structure fabricated by laser interference lithography for tuning surface plasmon resonance | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1364/OE.16.010701 | - |
dc.identifier.pmid | 18607486 | - |
dc.identifier.scopus | eid_2-s2.0-47249109405 | - |
dc.identifier.volume | 16 | - |
dc.identifier.issue | 14 | - |
dc.identifier.spage | 10701 | - |
dc.identifier.epage | 10709 | - |
dc.identifier.eissn | 1094-4087 | - |
dc.identifier.isi | WOS:000257564100079 | - |
dc.identifier.issnl | 1094-4087 | - |