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Macroscopic Multifunctional Graphene-Based Hydrogels and Aerogels by a Metal Ion Induced Self-Assembly Process

Cong, Huai-Ping, Ren, Xiao-Chen, Wang, Ping, Yu, Shu-Hong·2012·ACS Nano
DOI 10.1021/nn300082k
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Abstract

We report a one-step fabrication of macroscopic multifunctional graphene-based hydrogels with robust interconnected networks under the synergistic effects of the reduction of graphene oxide sheets by ferrous ions and in situ simultaneous deposition of nanoparticles on graphene sheets. The functional components, such as α-FeOOH nanorods and magnetic Fe(3)O(4) nanoparticles, can be easily incorporated with graphene sheets to assemble macroscopic graphene monoliths just by control of pH value under mild conditions. Such functional graphene-based hydrogels exhibit excellent capability for removal of pollutants and, thus, could be used as promising adsorbents for water purification. The method presented here is proved to be versatile to induce macroscopic assembly of reduced graphene sheets with other functional metal oxides and thus to access a variety of graphene-based multifunctional nanocomposites in the form of macroscopic hydrogels or aerogels.

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Cited by

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Metadata

Authors
Cong, H.-P., Ren, X.-C., Wang, P., & Yu, S.-H.
Venue
ACS Nano
Publisher
American Chemical Society (ACS)
Published
2012-02-13
Volume
6
Issue
3
Pages
2693-2703
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
DOI
10.1021/nn300082k
OpenAlex
W2324310616
Cited by
1,100
References
5
FWCI
45.47
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Macroscopic Multifunctional Graphene-Based Hydrogels and Aerogels by a Metal Ion Induced Self-Assembly Process. https://app.cochat.ai/papers/10.1021/nn300082k
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Cong, H.-P., Ren, X.-C., Wang, P., & Yu, S.-H. (2012). Macroscopic Multifunctional Graphene-Based Hydrogels and Aerogels by a Metal Ion Induced Self-Assembly Process. ACS Nano. https://doi.org/10.1021/nn300082k

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