Single crystal cupric oxide nanoflakes with {1̄11} facets for Pb2+ ion adsorption and methylene blue dye decolorization

Single crystal cupric oxide (CuO) nanoflakes (NFs) were used for heavy metal ion (Lead, Pb2+) adsorption and to decolorize synthetic dye (Methylene Blue, MB) in water under standard atmospheric conditions without using any external energy. Pb2+ ion adsorption (~97%) and decolorization of MB (~90%) w...

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Bibliographic Details
Published in:Materials letters 2016-12, Vol.185, p.218-221
Main Authors: Kausalya, G., Manjubaashini, N., Jerome, P., Karvembu, R., Daniel Thangadurai, T.
Format: Article
Language:English
Subjects:
Adsorption
COLOR
CRYSTAL STRUCTURE
CuO nanoflakes
CUPRIC OXIDE
Decoloring
Dye degradation
DYES
ETHYLENE
FLAKES
Heavy metal
Lead (metal)
Methylene blue
MICROSTRUCTURES
Morphology
Nanoparticles
Nanostructure
OXIDES
Single crystals
X-ray techniques
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Summary:Single crystal cupric oxide (CuO) nanoflakes (NFs) were used for heavy metal ion (Lead, Pb2+) adsorption and to decolorize synthetic dye (Methylene Blue, MB) in water under standard atmospheric conditions without using any external energy. Pb2+ ion adsorption (~97%) and decolorization of MB (~90%) was possible in less than 150min using only very less concentration of CuO NFs (1.0µM). The microscopic characterization and X-ray diffraction data confirms the morphology change (from NFs to NPs), but the catalyst was found very stable without significant loss of its uniqueness. [Display omitted] •Single crystal CuO Nanoflakes with {1̄11} facets was used as a catalyst.•>90% of Pb2+ ion adsorption and MB dye decolorization has achieved in 150min.•Morphology of the catalyst changed without lose its composition and magnetic nature.•Regenerated CuO nanomaterial displayed high stability and reusability.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2016.08.142