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http://hdl.handle.net/10397/13173
Title: | Strengthening of graphene aerogels with tunable density and high adsorption capacity towards Pb 2+ | Authors: | Han, Z Tang, Z Shen, S Zhao, B Zheng, G Yang, J |
Issue Date: | 2014 | Source: | Scientific reports, 22 2014, v. 4, no. , p. 1-6 | Abstract: | Graphene aerogels (GAs) with high mechanical strength, tunable density and volume have been prepared only via soaking graphene hydrogels (GHs) in ammonia solution. The density and volume of the obtained GAs are controlled by adjusting the concentration of ammonia solution. Although volume of the GAs decreases with increasing the concentration of ammonia solution, its specific surface area maintains at about 350â €...m 2 g â ̂'1, and the inner structure changes to radial after ammonia solution treatment. Thus, GAs are particularly suitable for the adsorption and energy storage applications owing to their high specific surface area and unique porous structure. The adsorption capacity of GAs for Pb 2+ from aqueous solution maintains at about 80â €...mg g â ̂'1, which could reach as high as 5000â €...g m â ̂'3 per unit volume and they can be separated easily from water after adsorption. | Publisher: | Nature Publishing Group | Journal: | Scientific reports | EISSN: | 2045-2322 | DOI: | 10.1038/srep05025 | Rights: | This work is licensed under a Creative Commons Attribution-NonCommercial NoDerivs 3.0 Unported License. The images in this article are included in the article’s Creative Commons license, unless indicated otherwise in the image credit; if the image is no tincluded under the Creative Commons license, users will need to obtain permission from the license holder in order to reproduce the image. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/3.0/ The following publication Han, Z., Tang, Z., Shen, S. et al. Strengthening of Graphene Aerogels with Tunable Density and High Adsorption Capacity towards Pb2+. Sci Rep 4, 5025 (2015) is available at https://dx.doi.org/10.1038/srep05025 |
Appears in Collections: | Journal/Magazine Article |
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