УДК: 535.241.13:621.373.826

Porous glasses with silver nanoparticles as the sensitive material for sensors to measure the index of refraction of analytes

Pshenova, A.S., Klyukin, D.A., Sidorov, A.I., Andreeva, O.V.

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Пшенова А.С., Клюкин Д.А., Сидоров А.И., Андреева О.В. Пористые стекла с наноразмерными частицами серебра как чувствительный материал для сенсоров показателя преломления аналитов // Оптический журнал. 2016. Т. 83. № 7. С. 64–67.

Pshenova A.S., Klyukin D.A., Sidorov A.I., Andreeva O.V. Porous glasses with silver nanoparticles as the sensitive material for sensors to measure the index of refraction of analytes [in Russian] // Opticheskii Zhurnal. 2016. V. 83. № 7. P. 64–67.

For citation (Journal of Optical Technology):

A. S. Pshenova, D. A. Klyukin, A. I. Sidorov, and O. V. Andreeva, "Porous glasses with silver nanoparticles as the sensitive material for sensors to measure the index of refraction of analytes," Journal of Optical Technology. 83(7), 438-440 (2016). https://doi.org/10.1364/JOT.83.000438

Abstract:

We synthesize silver nanoparticles in porous glass having a mean pore size of 17 nm. We show that when the free pore space that accompanies these particles is filled with an analyte, the peak in the silver-particle plasmon resonance band shifts as a function of the analyte index of refraction, and its amplitude increases. Numerical modeling confirms these experimental results. We show that the plasmon band amplitude increases by a factor of 2 as the index of refraction of the medium increases from 1 to 1.47; the sensitivity of the spectral location of the band to a change in the index of refraction of the medium is 80 nm per index-of-refraction unit.

Keywords:

silver nanoparticle, nanoporous glass, refraction index

Acknowledgements:

This work was financially supported by the Russian Federation Ministry of Education and Science (Scientific Research and Development Program Identifier RFMEFI5811X0006).

OCIS codes: 160.0160

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