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Facile Synthesis of 3D Amino-Functional Graphene-Sponge Composites Decorated by Graphene Nanodots with Enhanced Removal of Indoor Formaldehyde

Lirui Wu,Lanxin Zhang,T. Meng,Fei Yu,Junhong Chen,Jie Ma

Published 2015 in Aerosol and Air Quality Research

ABSTRACT

Amino-functional graphene-sponge composites decorated by graphene nanodots (G-GND/S) were synthesized. The preparation technology prevents the loss of nano-materials and reduces the amount of graphene addition. G-GND/S was used as adsorbents to remove formaldehyde, and then their performances for formaldehyde adsorption were evaluated by dynamic adsorption experiment. The adsorption properties of three different materials: sponge, graphene-sponge, and G-GND/S, the breakthrough time and adsorption capacity had been compared, the results showed G-GND/S had better formaldehyde adsorption properties with longer breakthrough time (~2137 min/g) and adsorption ability of formaldehyde (22.8 mg/g). Large amounts of amine groups were the most important factor for the strength enhancement of the adsorption efficiency.

PUBLICATION RECORD

  • Publication year

    2015

  • Venue

    Aerosol and Air Quality Research

  • Publication date

    2015-03-01

  • Fields of study

    Materials Science, Chemistry, Environmental Science

  • Identifiers
    DOI 10.4209/aaqr.2014.10.0237
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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