期刊
CARBON
卷 96, 期 -, 页码 342-350出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2015.09.082
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资金
- University of Nantes
- Centre National de la Recherche Scientifique (CNRS)
- Region Pays de la Loire in the framework of a recrutement sur poste strategique
A synthesis of sulfonated graphene has been developed through a rational investigation of more than 8 different routes. The synthesis involves (1) the preparation of graphene through sequential oxidative exfoliation of graphite to graphene oxide and reduction with hydrazine, (2) the grafting of graphene with 4-diazoniobenzenesulfonate, leading to sulfonated graphene. The procedure features a good and adjustable level of grafting, a high reproducibility, fast filtrations, and a scalability on a gram-scale. The material displayed a high density of relatively strong acid sites along with robustness in its dry state, up to 200 degrees C. (C) 2015 Elsevier Ltd. All rights reserved.
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