水溶液中无表面活性剂的石墨剥离。
Surfactant-free exfoliation of graphite in aqueous solutions.
机构信息
Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA.
出版信息
Chem Commun (Camb). 2014 Mar 14;50(21):2751-4. doi: 10.1039/c3cc49273g.
PMID:24479130
Abstract
We report an ultrasound exfoliation of graphite in a weakly basic solution to produce multi-layer graphene dispersion. A unique feature of this process is that no surfactant was added to stabilize the exfoliated graphene in water. The concentration of the graphene dispersion prepared by this approach can be up to 0.02 mg mL(-1) and it was stable at room temperature for several months.
摘要
我们报告了一种在弱碱性溶液中超声剥离石墨以制备多层石墨烯分散体的方法。该方法的一个独特特点是，在水中没有添加表面活性剂来稳定剥离的石墨烯。通过这种方法制备的石墨烯分散体的浓度可达 0.02mg/mL，在室温下稳定数月。
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