Abstract
This paper presents the results on the colloidal synthesis of plasmonic antennas based on gold nanorods about 65 nm in length and 10 nm in diameter and on the growth of SiO2 shells of about a 15 nm thickness on the rods. The resulting nanorods have plasmon absorption in the range of 1–1.8 µm and, upon dispersion, form fairly stable colloidal solutions that persist for at least 10 h in various solvents, including water, ethanol, chloroform, tetrachloroethylene, and n-hexane.
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Funding
This work was supported by the Ministry of Education and Science of the Russian Federation, project no. 13.1902.21.0006, and carried out within the framework of state assignment AAAA-A19-119070790003-7.
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Translated by S. Zatonsky
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Brichkin, S.B., Spirin, M.G., Gadomskaya, A.V. et al. Plasmonic Antennas Based on Silica Shell-Coated Gold Nanorods for Near-IR Photodetectors. High Energy Chem 55, 134–139 (2021). https://doi.org/10.1134/S0018143921020041
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DOI: https://doi.org/10.1134/S0018143921020041