How Graphene Layers Depend on Drying Methods of Graphene Oxide

Abstract:

Abstract: Graphite oxide is of great importance in preparing graphene, the average layer of graphene depends on that of graphene oxide in some extent. In this paper, we prepared graphite oxide via H₃PO₄/H₂SO₄ mixed acid, then which were dried by vacuum drying in a freezer dryer and drying oven respectively, the graphite oxide powder and thin film were obtained correspondingly. After dispersing the above two forms of graphite oxide in water by shaking, stirring or supersonic wave, they were reduced in the same condition. According to the XRD, AFM results, vacuum freeze-drying was inclined to gain few-lay graphene.

• Periodical: Advanced Materials Research (Volumes 554-556)
• Pages: 597-600
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.554-556.597
• Online since: July 2012
• Authors: Ya Nan Lv, Jian Fang Wang, Yin Long, Cheng An Tao, Lin Xia, Hui Zhu
• Keywords: Freeze-Drying, Graphene Layer

References

[1] Novoselov S K, Geim K A. Science. Vol. 306 (2004), p: 666

[2] Novoselov K S, Geim AK. Morozov SV, Jiang D, Katsnelson MI, Grigorieva IV, et al. Nature. Vol. 438 (2005), p: 197

[3] Balandin A A, Ghosh S, Bao W, Calizo I, Teweldebrhan D, Miao F, et al. Nano Lett. Vol. 8 (2008), p: 902

DOI: 10.1021/nl0731872

[4] Lee C, Wei X, Kysar JW, Hone J. Science. Vol. 321 (2008), p: 385

[5] Stoller M D，Park S，Zhu Yet al. Nano Lett, Vol. 10 (2008), p: 3498

[6] Wang H, Casalongue H S, Liang Y,et al．J Am Chem Soc. Vol. 132 (2010), p: 7472

[7] F N. Xia, T. Mueller, R. Golizadeh-Mojarad, M. Freitag, Y. M. Lin, J. Tsang, V. Perebeinos and P. Avouris, Nano Lett. Vol. 9 (2009), p: 1039

DOI: 10.1021/nl8033812

[8] S. Pisana, P. M. Braganca, E. E. Marinero and B. A. Gurney, IEEE Trans. Magn. Vol. 46(2010), p: (1910)

DOI: 10.1109/tmag.2010.2041048

[9] B. Arash, Q. Wang and W. H. Duan, Phys. Lett. A, Vol. 375(2011), p: 2411

[10] J. K. Wassei and R. B. Kaner, Mater. Today. Vol. 13(2010), p: 52