V. ACKNOWLEDGMENTS This work is supported by the Ministry of Science and Technologyh of China (No.2011CB921403), the National Natural Science Foundation of China (No.10874165, No.90921013, No.11074231, and No.11004179) and Chinese Academy of Sciences .
We report a simple and green approach to synthesize reduced graphene oxide (RGO) nanosheets at room temperature based on Zn reduction of exfoliated GO. The evolution of GO to RGO has been characterized by X-ray diff...