4.7 Article

A strong adsorbent for Cu2+: graphene oxide modified with triethanolamine

Journal

DALTON TRANSACTIONS
Volume 43, Issue 19, Pages 6977-6980

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4dt00063c

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Funding

  1. National Science Foundation of China [21006129, 21276284, 21146008]
  2. Fundamental Research Funds for the Central Universities of China [721500170]

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A strong adsorbent TEA-GO for Cu2+ is prepared using TEA modified GO nanosheets. FT-IR and XPS results show that epoxy groups on GO are eliminated, and simultaneously hydroxyl groups and C-N dominate the surface groups of TEA-GO. The increased equilibrium capacity of TEA-GO for a high initial concentration of Cu2+ makes it a promising adsorbent for heavy metal ions.

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