期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 484, 期 -, 页码 254-262出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2016.09.008
关键词
Green-assembly; Graphene aerogel; Glutathione; Organic dyes; Water treatment
资金
- National Natural Science Foundation of China [21475118, 21275130, 21607315, 21275131]
- National Students' Innovation and Entrepreneurship Training Program of Zhejiang Normal University [201510345028]
Herein, a facile and straightforward green-assembly approach was developed for preparation of nitrogen and sulphur co-doped three-dimensional (3D) graphene hydrogels (N/S-GHs) with the assistance of glutathione. Specifically, graphene oxide is reduced and assembled into 3D porous nanostructures with glutathione as the reducing agent and modifier for its intrinsic structure, along with the nitrogen and sulphur sources in the synthetic process. As expected, the as-obtained N/S-GHs demonstrated superior adsorption performances for organic dyes (e.g., methylene blue, malachite green, and crystal violet) in aqueous media. This work provides new insight for the green-assembly of 3D porous nanomaterials as adsorbent and their promising applications in water treatment. (C) 2016 Elsevier Inc. All rights reserved.
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