Theoretical analyses of localized surface plasmon resonance spectrum with nanoparticles imprinted polymers

Hong Li; Wei Peng; Yanjie Wang; Lingling Hu; Yuzhang Liang; Xinpu Zhang; Wenjuan Yao; Qi Yu; Xinlei Zhou

doi:10.1117/12.905241

29 November 2011 Theoretical analyses of localized surface plasmon resonance spectrum with nanoparticles imprinted polymers

Hong Li, Wei Peng, Yanjie Wang, Lingling Hu, Yuzhang Liang, Xinpu Zhang, Wenjuan Yao, Qi Yu, Xinlei Zhou

Author Affiliations +

Proceedings Volume 8307, Passive Components and Fiber-Based Devices VIII; 830717 (2011) https://doi.org/10.1117/12.905241
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

Optical sensors based on nanoparticles induced Localized Surface Plasmon Resonance are more sensitive to real-time chemical and biological sensing, which have attracted intensive attentions in many fields. In this paper, we establish a simulation model based on nanoparticles imprinted polymer to increase sensitivity of the LSPR sensor by detecting the changes of Surface Plasmon Resonance signals. Theoretical analysis and numerical simulation of parameters effects to absorption peak and light field distribution are highlighted. Two-dimensional simulated color maps show that LSPR lead to centralization of the light energy around the gold nanoparticles, Transverse Magnetic wave and total reflection become the important factors to enhance the light field in our simulated structure. Fast Fourier Transfer analysis shows that the absorption peak of the surface plasmon resonance signal resulted from gold nanoparticles is sharper while its wavelength is bigger by comparing with silver nanoparticles; a double chain structure make the amplitude of the signals smaller, and make absorption wavelength longer; the absorption peak of enhancement resulted from nanopore arrays has smaller wavelength and weaker amplitude in contrast with nanoparticles. These simulation results of the Localized Surface Plasmon Resonance can be used as an enhanced transduction mechanism for enhancement of sensitivity in recognition and sensing of target analytes in accordance with different requirements.

Citation Download Citation

Hong Li, Wei Peng, Yanjie Wang, Lingling Hu, Yuzhang Liang, Xinpu Zhang, Wenjuan Yao, Qi Yu, and Xinlei Zhou "Theoretical analyses of localized surface plasmon resonance spectrum with nanoparticles imprinted polymers", Proc. SPIE 8307, Passive Components and Fiber-Based Devices VIII, 830717 (29 November 2011); https://doi.org/10.1117/12.905241

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