在离子液体中液相剥离石墨获得高浓度少层石墨烯片
材料科学
2013-02-07 v2 介观与纳米尺度物理
其他凝聚态物理
摘要
本文介绍了在温和且简便的条件下,使用商用离子液体作为便捷的溶剂介质剥离石墨,而无需任何化学修饰。为了确认少层石墨烯的存在,通过拉曼光谱、原子力显微镜和场发射电子显微镜对其分散体进行了表征。从 UV-Vis 表征中,获得了高达 2.543 mg/ml 的石墨烯浓度,这是迄今为止在任何溶剂中报道的最高值。
引用
@article{arxiv.1010.2859,
title = {High Concentration Few-layer Graphene Sheets Obtained by Liquid Phase Exfoliation of Graphite in Ionic Liquid},
author = {Daniele Nuvoli and Luca Valentini and Valeria Alzari and Sergio Scognamillo and Silvia Bittolo Bon and Massimo Piccinini and Javier Illescas and Alberto Mariani},
journal= {arXiv preprint arXiv:1010.2859},
year = {2013}
}
备注
This paper has been withdrawn by the author due to a revision requested by the editor