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. 2020 Apr 30;25(9):2097. doi: 10.3390/molecules25092097

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© 2020 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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Transmission electron microscopy (TEM) micrographs showing the morphology of synthesized (a) PbS(1) and (b) PbS(2) nanoparticles with their respective particle size distribution histogram. SD stands for standard deviation.