石墨的微流化及石墨烯基导电油墨的制备
Microfluidization of graphite and formulation of graphene-based conductive inks
摘要：
我们报道了在高剪切速率[ $\sim10^8s^{-1}$ ]湍流条件下石墨在水溶液中的剥离，剥离产率为100%。使用羧甲基纤维素钠盐以高达100 g/L的浓度稳定该材料而无需离心，以配制导电可印刷油墨。刮刀涂布的膜的薄层电阻低于$\sim2Ω/\square$。这是用于柔性电子产品中大面积印刷的石墨烯基导电油墨的简单且可扩展的生产路线。
英文摘要：
We report the exfoliation of graphite in aqueous solutions under high shear rate [$\sim10^8s^{-1}$] turbulent flow conditions, with a 100\% exfoliation yield. The material is stabilized without centrifugation at concentrations up to 100 g/L using carboxymethylcellulose sodium salt to formulate conductive printable inks. The sheet resistance of blade coated films is below$\sim2Ω/\square$. This is a simple and scalable production route for graphene-based conductive inks for large area printing in flexible electronics.
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