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Bielawski, Christopher W.
Synthetic Materials & Macromolecules
Research Interests
  • Synthetic chemistry, materials science, polymer chemistry, catalysis, carbon-based materials

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Agar-reduced graphene oxide selectively adsorbs organic dyes and strengthens double-network hydrogels

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Title
Agar-reduced graphene oxide selectively adsorbs organic dyes and strengthens double-network hydrogels
Author
Tang, TangGoossens, KarelLu, Sherilyn J.Meng, DongliBielawski, Christopher W.
Issue Date
2020-08
Publisher
ROYAL SOC CHEMISTRY
Citation
RSC ADVANCES, v.10, no.49, pp.29287 - 29295
Abstract
A straightforward and environmentally friendly method for synthesizing agar-reduced graphene oxide (ArGO) was devised. The topological features and emergent physical properties displayed by the novel carbon material were controlled by varying its water content. Dehydrated films of ArGO were found to be stable in water due to the pi-pi stacking interactions that formed between the aromatic components of its constituent sheets. In contrast, porous variants of ArGO afforded hydrogels that exhibited high swelling capacities. The intrinsic mechanical strength, elasticity and chemical stability of the hydrogels were further enhanced through adaption into double-network analogues. Such hydrogels, which were prepared using a facile and efficient one-pot methodology, exhibited a high fracture stress upon compression, and retained their shape in basic aqueous environments. These features can be expected to enable water purification and tissue engineering applications, among others.
URI
https://scholarworks.unist.ac.kr/handle/201301/49122
URL
https://pubs.rsc.org/en/content/articlelanding/2020/RA/D0RA05735E#!divAbstract
DOI
10.1039/d0ra05735e
ISSN
2046-2069
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CHM_Journal Papers
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