Dispersive Plasmon Damping in Single Gold Nanorods by Platinum Adsorbates
文献类型：期刊论文
| 作者 | Xu, PY(徐鹏宇); Lu, XX(卢旭星); Han, S(韩松); Ou, WH; Li, Y(李月); Chen, S; Xue, JF; Ding, YP; Ni, WH(倪卫海) |
| 刊名 | SMALL
 |
| 出版日期 | 2016 |
| 卷号 | 12期号:36 |
| 通讯作者 | Ni, WH(倪卫海) |
| 英文摘要 | Surface modifications of plasmonic nanoparticles with metal adsorbates are essential in applications such as plasmonic sensing, plasmon-enhanced photocatalysis, etc., where spectral broadening is usually observed. A single particle study is presented on plasmon damping by adsorption of platinum (Pt) clusters. Single particle dark-field spectroscopy is employed to measure exactly the same gold nanorod before and after the Pt adsorption. The Pt-induced plasmon damping in terms of linewidth increase is found dependent on the resonance wavelength of the measured nanorod, which is dispersive in nature. The measured dispersion generally matches the theoretical prediction, and it basically exhibits a gradual increase with decreasing resonance energy. This increase can be attributed to the fact that the nanorod as a better resonator is more susceptible to the Pt adsorption than the spherical particles. Moreover, simulated results based on discrete dipole approximation method further indicate that the damping is mainly contributed from the adsorbates on the ends of the nanorod and independent on the type of the metal adsorbed. Knowledge and insights gained in this study can be very important for the design and fabrication of plasmonic heterostructures as functional nanomaterials. |
| 关键词[WOS] | ENHANCED RAMAN-SCATTERING ; AU NANORODS ; AQUEOUS-SOLUTION ; NANOPARTICLES ; HYDROGEN ; RESONANCES ; PARTICLE ; NANOSTRUCTURES ; APPROXIMATION ; TRANSITION |
| 收录类别 | SCI ; EI |
| 语种 | 英语 |
| WOS记录号 | WOS:000384684500021 |
| 源URL | [http://ir.sinano.ac.cn/handle/332007/4614]  |
| 专题 | 苏州纳米技术与纳米仿生研究所_纳米研究国际实验室_倪卫海团队 |
| 推荐引用方式 GB/T 7714 | Xu, PY,Lu, XX,Han, S,et al. Dispersive Plasmon Damping in Single Gold Nanorods by Platinum Adsorbates[J]. SMALL,2016,12(36). |
| APA | Xu, PY.,Lu, XX.,Han, S.,Ou, WH.,Li, Y.,...&Ni, WH.(2016).Dispersive Plasmon Damping in Single Gold Nanorods by Platinum Adsorbates.SMALL,12(36). |
| MLA | Xu, PY,et al."Dispersive Plasmon Damping in Single Gold Nanorods by Platinum Adsorbates".SMALL 12.36(2016). |
入库方式： OAI收割
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。