本文采用改进的Hummers法对天然鳞片石墨进行氧化处理制备氧化石墨,并采用机械研磨还原法,制备了还原的氧化石墨样品,研究了机械研磨时间对还原性氧化石墨导电性的影响.采用XRD、红外光谱和紫外光谱对样品进行了结构,谱学和化学成分表征,发现机械研磨能使氧化石墨的含氧官能团减少;在一定时间内研磨能还原氧化石墨,研磨时间过长又会重新氧化;机械研磨20h,还原性氧化石墨样品的导电性最高,为26S/cm,继续研磨,还原性氧化石墨样品的导电性又会下降.结果表明,机械研磨法能够还原氧化石墨,且与研磨时间有关,为还原氧化石墨的研究提供了新的参考.
参考文献
| [1] | Buchsteiner A;Lerf A;Pieper J.Water dynamics in graphite oxide investigated with neutron scattering[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,200645(45):22328-22338. |
| [2] | Li X;Wang X;Zhang L;Lee S;Dai H.Chemically derived, ultrasmooth graphene nanoribbon semiconductors.[J].Science,20085867(5867):1229-1232. |
| [3] | Viculis LM;Mack JJ;Mayer OM;Hahn HT;Kaner RB.Intercalation and exfoliation routes to graphite nanoplatelets[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,20059(9):974-978. |
| [4] | 尹芳;陈迪钊;刘佳佳;陈曲;孔海霞;伍超娟.氧化石墨烯的制备工艺及热稳定性[J].材料科学与工程学报,2013(3):336-340,408. |
| [5] | 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,20077(7):1558-1565. |
| [6] | Yao Chen;Xiong Zhang;Dacheng Zhang.High performance supercapacitors based on reduced graphene oxide in aqueous and ionic liquid electrolytes[J].Carbon: An International Journal Sponsored by the American Carbon Society,20112(2):573-580. |
| [7] | C. Nethravathi;Michael Rajamathi.Chemically modified graphene sheets produced by the solvothermal reduction of colloidal dispersions of graphite oxide[J].Carbon: An International Journal Sponsored by the American Carbon Society,200814(14):1994-1998. |
| [8] | Hualan Wang;Qingli Hao;Xujie Yang;Lude Lu;Xin Wang.Graphene oxide doped polyaniline for supercapacitors[J].Electrochemistry communications,20096(6):1158-1161. |
| [9] | Chemically Derived Graphene Oxide: Towards Large-Area Thin-Film Electronics and Optoelectronics[J].Advanced Materials,201022(22):2392-2415. |
| [10] | WANG Huan;TIAN Hong-wei;WANG Xin-wei;QIAO Liang;WANG Shu-min;WANG Xing-li;ZHENG Wei-tao;LIU Yi-chun.Electrical Conductivity of Alkaline-reduced Graphene Oxide[J].高等学校化学研究（英文版）,2011(05):857-861. |
| [11] | 王昭;毛峰;黄祥平;黄应平;冯笙琴;易佳;张昌远;刘栓.TiO2/石墨烯复合材料的制备及其光催化性能[J].材料科学与工程学报,2011(2):267-271,232. |
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