Enhanced Raman and luminescence spectra from co-encapsulated silicon quantum dots and Au-Ag nanoalloys

被引:10
作者
Harun, Noor Aniza [1 ,2 ]
Horrocks, Benjamin R. [1 ]
Fulton, David A. [1 ]
机构
[1] Newcastle Univ, Sch Chem, Chem Nanosci Lab, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[2] Univ Malaysia Terengganu, Sch Fundamental Sci, Kuala Terengganu 21030, Terengganu, Malaysia
关键词
NANOPARTICLES; SCATTERING;
D O I
10.1039/c4cc06438k
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We report an approach to enhance simultaneously luminescence and SERS signals with a single excitation wavelength by co-encapsulating silicon quantum dots and Au-Ag alloy nanoparticles encoded with Raman reporter molecules inside polymeric nanoparticles. The SERS-luminescence enhancement exploits the large Stokes shift of silicon quantum dots, which allows 'room' for the display of a Raman spectrum.
引用
收藏
页码:12389 / 12391
页数:3
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