Abstract
Surface enhanced Raman scattering (SERS) relies on the large localized electric fields near nanoscaled metal surfaces due to the optical excitation of their surface plasmons (SPs) [1]. In metal nanoparticle, the G factor can reach about 1011–1012 when the molecules are trapped at the hotspots [2]. But, the hotspot region in whole nanosystem is very small and hence a low SERS efficiency. The metal nanoparticle incorporating gain media can be called as the active nanoparticle. The gain materials transfer energy to compensate the loss of SP and finally amplify the desired SP response. Recently, Li et al. [3] have introduced the gain media into the core of cubic gold nanoboxs and obtained an extremely high SERS G factor on 1016–1017.
© 2014 Japan Society of Applied Physics, Optical Society of America
PDF ArticleMore Like This
Hyun Youk, Jin U. Kang, Jacob Khurgin, Anant Agrawal, Ilko Ilev, and Ronald Waynant
CMH5 Conference on Lasers and Electro-Optics (CLEO:S&I) 2006
Wei Zhang, Zhenyi Chen, Na Chen, Ling Hu, Hongfei Zhu, Shupeng Liu, and Qiang Guo
83112L Asia Communications and Photonics Conference and Exhibition (ACP) 2011
Ling Hu, Zhenyi Chen, Na Chen, Wei Zhang, Hongfei Zhu, Shupeng Liu, and Tingyun Wang
830826 Asia Communications and Photonics Conference and Exhibition (ACP) 2011