Interdisciplinary School of Green Energy and Institute of Advanced Materials and Devices, Ulsan National Institute of Science and Technology (UNIST), 100, Banyeon, Ulsan 689-798, South Korea.
ACS Nano. 2011 Jun 28;5(6):4974-80. doi: 10.1021/nn201072m. Epub 2011 May 24.
We report edge-selective functionalization of graphite (EFG) for the production of large-area uniform graphene films by simply solution-casting EFG dispersions in dichloromethane on silicon oxide substrates, followed by annealing. The resultant graphene films show ambipolar transport properties with sheet resistances of 0.52-3.11 kΩ/sq at 63-90% optical transmittance. EFG allows solution processing methods for the scalable production of electrically conductive, optically transparent, and mechanically robust flexible graphene films for use in practice.
我们报告了石墨的边缘选择性功能化（EFG），通过简单地将 EFG 分散体在二氯甲烷中浇铸在氧化硅基底上，然后进行退火，从而生产出大面积均匀的石墨烯薄膜。所得的石墨烯薄膜表现出双极性输运性质，在 63-90%的光透过率下，其面电阻为 0.52-3.11 kΩ/sq。EFG 允许使用溶液处理方法来大规模生产具有导电性、光学透明性和机械强度的柔性石墨烯薄膜，从而在实际应用中得到应用。
