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. 2019 Oct 10;9(10):1431. doi: 10.3390/nano9101431

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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SEM images of (a) as-synthesized ZnFe₂O₄ NPs coated with PVP, (b) pure AgNWs, (c,d) ZnFe₂O₄@AgNWs hybrid nanostructures with different weight ratios: (c) ZnFe₂O₄ NPs:AgNWs = 1:2, (d) ZnFe₂O₄ NPs:AgNWs = 1:6. The red contours in the insets of (c,d) represent the general shapes of ZnFe₂O₄ NPs deposited on the surface of AgNWs.