Magnetic Tuning of Plasmonic Excitation of Gold Nanorods
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- 作者：Mingsheng Wang ; Chuanbo Gao ; Le He ; Qipeng Lu ; Jinzhong Zhang ; Chi Tang ; Serkan Zorba ; Yadong Yin
- 刊名：Journal of the American Chemical Society
- 出版年：2013
- 出版时间：October 16, 2013
- 年：2013
- 卷：135
- 期：41
- 页码：15302-15305
- 全文大小：261K
- 年卷期：v.135,no.41(October 16, 2013)
- ISSN：1520-5126
文摘
By using gold nanorods as an example, we report the dynamic and reversible tuning of the plasmonic property of anisotropically shaped colloidal metal nanostructures by controlling their orientation using external magnetic fields. The magnetic orientational control enables instant and selective excitation of the plasmon modes of AuNRs through the manipulation of the field direction relative to the directions of incidence and polarization of light.