4.6 Article

Crown-ether functionalized graphene oxide for metal ions sequestration

Journal

MATERIALS RESEARCH BULLETIN
Volume 122, Issue -, Pages -

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2019.110643

Keywords

Graphene oxide; Crown-ether; Organic functionalization; Supramolecular

Funding

  1. Ministery of Research and Innovation, CNCS - UEFISCDI, within PNCDI III [PN-III-P4-ID-PCE-2016-0187]
  2. CNCS-UEFISCDI [PN-III-P1.1-TE2016-2116]

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Graphene oxide has been synthesized, additionally derivatized with chloroacetic acid for increase the number of available carboxylic groups and further functionalized with crown-ether moieties. The thus obtained material was characterized by IR, thermal analysis, SEM, Raman, and XPS. Tests on adsorption of several metal cations showed that cooper and iron are more retained than potassium.

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