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. 2021 May 17;12:462–472. doi: 10.3762/bjnano.12.37

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Copyright © 2021, Wang et al.

This is an Open Access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0). Please note that the reuse, redistribution and reproduction in particular requires that the author(s) and source are credited and that individual graphics may be subject to special legal provisions.

The license is subject to the Beilstein Journal of Nanotechnology terms and conditions: (https://www.beilstein-journals.org/bjnano/terms/terms)

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(a) Absorption spectra of AuNRs and of Au@Pt NRs synthesized with different concentrations of Ag⁺. (b) Corresponding TEM images of different Au@Pt NRs. Annotation: Au@Pt-1, Au@Pt-2, Au@Pt-3 and Au@Pt-4 represent the Au@Pt NRs prepared with different concentrations of added AgNO₃: 5, 10, 20, and 40 mM, respectively.