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. 2019 Feb 12;9(2):250. doi: 10.3390/nano9020250

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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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The morphology of the synthesized nanocomposite systems for water decolorization: The SEM images illustrate the morphology of the nanocomposite nanofibers (NFs) (containing 5 (a) and 8 wt.% TiO₂ nanoparticles (NPs) (b), respectively) at three successive magnifications (the scale bars in the middle and lower images represent 5 and 0.2 µm, respectively). The highly magnified images in the lower row imply the decoration of the NFs by TiO₂ NPs. (c) The TEM image shows how the TiO₂ NPs are distributed within the cross section of the PES NFs.