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| Content Provider | IET Digital Library |
|---|---|
| Author | Sun, Yufei Wang, Liwei Liu, Junhui Li, Ruoping Huang, Mingju |
| Abstract | High-quality gold nanorods (GNRs) with different aspect ratios and uniform morphology were synthesised using the seed-mediated growth method. The GNRs were assembled into two different type superstructures: the one is arranged vertically to the substrate (V-GNR superstructure); the other is arranged parallel to the substrate (P-GNR superstructure). Their work at present is devoted to study the Raman enhancement effect and signal repeatability of GNR superstructures. The influence of GNRs arrangement on surface-enhanced Raman scattering (SERS) was investigated experimentally. In addition, the electromagnetic field coupling of GNR superstructures with different arrangement modes was simulated by the finite-different time-domain method. Both experiments and theories have proved that the required resonance wavelength of Raman laser can be obtained by adjusting the aspect ratio of GNRs. Furthermore, the P-GNR superstructure can bring high and repeatable SERS signal intensity of molecules compared with V-GNR superstructure and other nanostructures. It can be concluded that P-GNR superstructure is a good substrate mode for SERS technique. |
| Starting Page | 1265 |
| Ending Page | 1268 |
| Page Count | 4 |
| Volume Number | 13 |
| e-ISSN | 17500443 |
| Issue Number | Issue 9, Sep (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/13/9 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2018.5103 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2018-09-01 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Collective Excitations (surface States) Electromagnetic Field Coupling Finite Difference Time-Domain Analysis Finite-different Time-domain Method Gold Gold Nanorod Superstructure Infrared And Raman Spectra in Metals Low-Dimensional Structure: Growth, Structure And Nonelectronic Property Nanofabrication NanoParticle Nanorods Nanotube And Nanostructured Material Optical Property of Metals And Metallic Alloy Raman Enhancement Effect Raman Laser Seed-mediated Growth Method Structure of Solid Clusters Surface Enhanced Raman Scattering Surface Plasma Resonance Surface Plasmon Polariton Propagation Property Surface-enhanced Raman Scattering Uniform Morphology |
| Content Type | Text |
| Resource Type | Article |
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