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In this work, a novel sandwich-structured graphene-based composite (PPD-GO) was prepared. The graphene-based composite was prepared by amination of graphene oxide (GO) with p-phenylenediamine (PPD) with the aid of the coupling reagents. And PPD was introduced into the interlayers of graphene nanosheets. The morphology, composition, and grafted functional groups of the composite were investigated by...
Take full advantage of the high adsorption capability of tartaric acid (TA) and high stability of multi-walled carbon nanotubes (MWCNTs) in organic/inorganic solvents, TA modified MWCNT (MWCNT-TA) was prepared and its adsorption properties for bivalent copper ion [Cu(II)] were studied. The MWCNT-TA composites were confirmed by Fourier transform infrared (FTIR) spectroscopy, Raman spectroscopy, and...
Carbon nanotubes (CNTs) have emerged as efficient adsorbents since their first discovery in 1991. However, due to their huge specific surface areas and strong van der Waals binding energies, CNTs are prone to aggregate. Therefore, controlled dispersion of CNTs in solution or composite matrix remains a challenge so far. Herein, novel pillared CNT composites—2c-G-MWCNTs, with increased specific surface...
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