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. 2017 Mar 21;7:255. doi: 10.1038/s41598-017-00366-7

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© The Author(s) 2017

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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TEM images of (a) 11 nm-Ag₂S@TiO₂ and (b) 23 nm-Ag₂S@TiO₂ NFs. Insets are HR-TEM images near the nanofiber edges showing the lattice fringes of the Ag₂S NPs.