用改进的Hummers法制备了氧化石墨,通过超声、沉聚和自组装等工序制得氧化石墨烯薄膜,真空热处理后获得石墨烯薄膜.利用X射线晶体衍射(XRD)、扫描电子显微镜(SEM)、傅里叶变换红外(FT-IR)和拉曼(Raman)光谱等研究了石墨烯薄膜制备过程中各阶段产物的微观特征变化.结果表明,自组装方法制备氧化石墨烯薄膜简单易行,厚度尺寸可控,微观层状结构良好.热处理使石墨烯薄膜具有导电性,随温度升高导电率不断提高,在1 100℃时可达到536 S/cm.
参考文献
| [1] | Geim A K .Graphene:status and prospects[J].Science,2009,324(5934):1530-1534. |
| [2] | Jung I;Dikin DA;Piner RD;Ruoff RS .Tunable Electrical Conductivity of Individual Graphene Oxide Sheets Reduced at "Low" Temperatures[J].Nano letters,2008(12):4283-4287. |
| [3] | Sasha Stankovich;Dmitriy A. Dikin;Richard D. Piner .Synthesis of graphene-based nanosheets via chemical reduction of exfoliated graphite oxide[J].Carbon: An International Journal Sponsored by the American Carbon Society,2007(7):1558-1565. |
| [4] | Geim AK;Novoselov KS .The rise of graphene[J].Nature materials,2007(3):183-191. |
| [5] | Katsnelson M I .Graphene:carbon in two dimensions[J].Materials Today,2006,10(1-2):20-27. |
| [6] | Novoselov K S;Geim A K;Morozov S V et al.Electric fieldeffect in atomically thin carbon films[J].Science,2004,306(5696):666-669. |
| [7] | 万武波,赵宗彬,胡涵,周泉,范彦如,邱介山.柠檬酸钠绿色还原制备石墨烯[J].新型炭材料,2011(01):16-20. |
| [8] | Morozov SV;Novoselov KS;Katsnelson MI;Schedin F;Elias DC;Jaszczak JA;Geim AK .Giant intrinsic carrier mobilities in graphene and its bilayer[J].Physical review letters,2008(1):016602-1-016602-4-0. |
| [9] | Li D;Muller MB;Gilje S;Kaner RB;Wallace GG .Processable aqueous dispersions of graphene nanosheets[J].Nature nanotechnology,2008(2):101-105. |
| [10] | Eda G;Fanchini G;Chhowalla M .Large-area ultrathin films of reduced graphene oxide as a transparent and flexible electronic material[J].Nature nanotechnology,2008(5):270-274. |
| [11] | Blake P;Brimicombe PD;Nair RR;Booth TJ;Jiang D;Schedin F;Ponomarenko LA;Morozov SV;Gleeson HF;Hill EW .Graphene-based liquid crystal device[J].Nano letters,2008(6):1704-1708. |
| [12] | 刘燕珍,李永锋,杨永岗,温月芳,王茂章.低温热处理对氧化石墨烯薄膜的影响[J].新型炭材料,2011(01):41-45. |
| [13] | Dikin, DA;Stankovich, S;Zimney, EJ;Piner, RD;Dommett, GHB;Evmenenko, G;Nguyen, ST;Ruoff, RS .Preparation and characterization of graphene oxide paper[J].Nature,2007(7152):457-460. |
| [14] | Hummers W S;Offeman R E .Preparation of graphitic oxide[J].Journal of the American Chemical Society,1958,80(06):1339-1339. |
| [15] | Wufeng Chen;Lifeng Yan .Preparation of graphene by a low-temperature thermal reduction at atmosphere pressure[J].Nanoscale,2010(4):559-563. |
| [16] | Raymond L.D. Whitby;Alina Korobeinyk;Katya V. Gleuatsfea .Morphological changes and covalent reactivity assessment of single-layer graphene oxides under carboxylic group-targeted chemistry[J].Carbon: An International Journal Sponsored by the American Carbon Society,2011(2):722-725. |
| [17] | Fractional quantum Hall effect and insulating phase of Dirac electrons in graphene[J].Nature,2009(Nov.12 TN.7270):192. |
| [18] | Wang X;Zhi LJ;Mullen K .Transparent, conductive graphene electrodes for dye-sensitized solar cells[J].Nano letters,2008(1):323-327. |
| [19] | 沈德言.Application of Infrared Spectroscopy on the Study of Polymers[M].北京:科学出版社,1982:151-156. |
| [20] | Sung Mook Choi;Min Ho Seo;Hyung Ju Kim .Synthesis of surface-functionalized graphene nanosheets with high Pt-loadings and their applications to methanol electrooxidation[J].Carbon: An International Journal Sponsored by the American Carbon Society,2011(3):904-909. |
| [21] | Owen C. Compton;Dmitriy A. Dikin;Karl W. Putz;L. Catherine Brinson;SonBinh T. Nguyen .Electrically Conductive 'Alkylated' Graphene Paper via Chemical Reduction of Amine-Functionalized Graphene Oxide Paper[J].Advanced Materials,2010(8):892-896. |
| [22] | Cheng-Meng Chen;Jia-Qi Huang;Qiang Zhang .Annealing a graphene oxide film to produce a free standing high conductive graphene film[J].Carbon: An International Journal Sponsored by the American Carbon Society,2012(2):659-667. |
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