Abstract
We report on the synthesis and optical spectra of silver nanorice particles. Two strong absorption bands are resolved in the near UV and near-IR region, and the dark field scattering spectra are consistent with the absorption spectra. Finite-difference time-domain simulations reveal that the peak in the IR region can be attributed to the E field that is parallel to the long axis, while the peak in the UV can be attributed to the E field perpendicular to the short axis of the silver nanorice particles.
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Acknowledgments
This work was supported by the 973 Program (2012CB626801), the National Science Foundation of China (Grant No. 11274057 and 11374353), Science and Technology Project of Liaoning Province (Grant No. 2012222009), Program for Liaoning Excellent Talents in University (LNET) (Grant No. LJQ2012112), the Fundamental Research Funds for the Central Universities (Grant No. DC12010117), Science and Technique Foundation of Dalian (Grant No. 2010J21DW024 and 2012J21DW016), Science and Technology Project of Jinzhou New District (Grant No. 2012-A1-051).
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Dong, B., Qin, D., Shi, H.L. et al. Local surface plasmon resonance of single silver nanorice particles in the near-infrared. Microchim Acta 181, 791–795 (2014). https://doi.org/10.1007/s00604-013-1135-z
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DOI: https://doi.org/10.1007/s00604-013-1135-z