Please use this identifier to cite or link to this item:
https://hdl.handle.net/10356/97400
Title: | Seed-mediated plasmon-driven regrowth of silver NanoDecahedrons (NDs) | Authors: | Lu, Haifei Zhang, Haixi Yu, Xia Zeng, Shuwen Yong, Ken-Tye Ho, Ho-Pui |
Keywords: | DRNTU::Engineering::Electrical and electronic engineering | Issue Date: | 2011 | Source: | Lu, H., Zhang, H., Yu, X., Zeng, S., Yong, K.-T., & Ho, H.-P. (2012). Seed-mediated Plasmon-driven Regrowth of Silver Nanodecahedrons (NDs). Plasmonics, 7(1), 167-173. | Series/Report no.: | Plasmonics | Abstract: | We report the synthesis of silver nanodecahedrons (NDs) for extending the localized surface plasmon resonance (LSPR) of silver nanostructures from blue to green-orange (~590 nm), which will enable much wider application opportunities using common laser light sources. In our photo-assisted method, we use a light-emitting-diode (LED) to control regrowth of silver ND from precursor seeds. Highly uniform silver NDs are synthesized when the LED emission peak coincides with the LSPR peak of the seeds. A two-step process involving precursor self-transformation into silver nanoprisms and nanoplates, and subsequent photo-activated regrowth of silver NDs has been proposed. Surface-enhanced Raman scattering of silver NDs in different sizes has been studied, and the average enhancement factor for each size is estimated to be in the order of ~10^6. | URI: | https://hdl.handle.net/10356/97400 http://hdl.handle.net/10220/10545 |
ISSN: | 1557-1955 | DOI: | 10.1007/s11468-011-9290-8 | Schools: | School of Electrical and Electronic Engineering | Organisations: | A*STAR SIMTech | Rights: | © 2011 Springer Science+Business Media, LLC. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | EEE Journal Articles SIMTech Journal Articles |
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