Journal
CHEMISTRYSELECT
Volume 2, Issue 2, Pages 697-701Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.201601608
Keywords
Methylene Blue; Pt/Rh@GO; TEM; XPS
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Funding
- Dumlupinar University Research Funds [2014-05, 2016-75]
- Science Academy and Fevzi Akkaya Research Funding (FABED)
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Addressed herein, a robust methodology to generate monodisperse Pt/Rh@GO nanocomposites and their adsorption performances have been reported to clean methylene blue (MB) from the aqueous mixtures. The monodisperse Pt/Rh@GO nanocomposites were produced by the ultrasonic double solvent reduction method. Their characterization was performed by X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), high-resolution transmission electron microscopy (HR-TEM) and transmission electron microscopy (TEM). The mechanism of MB adsorption was explored in aqueous solutions. The adsorbtion findings revealed that the Pt/Rh@GO nanocomposites are highly effective adsorbents for MB removal offering 346.79mg/g as the one of the record adsorption capacity. 40 minutes was observed as the equilibrium time for MB adsorption. More than that, they are reusable as they promise cleaning MB from MB-contaminated waters maintaining 97.83% of their initial efficacy after six sequential cycles of adsorption-desorption.
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