采用改进的Hummers法氧化处理石墨粉制得氧化石墨,利用超声波作用将氧化石墨剥离,得到均匀分散的氧化石墨烯胶状悬浮液,然后在水合肼的还原作用下得到石墨烯.采用SEM、XRD以及Raman光谱对样品进行了形貌、结构以及谱学的表征分析.考察了还原过程中温度对还原效果的影响,以及中性条件下、碱性条件下水合肼用量对还原效果的影响.
参考文献
| [1] | Novoselov K S et al.Electric field effect in atomically thin carbon films[J].Science,2004,306(5696):666. |
| [2] | Geim AK;Novoselov KS .The rise of graphene[J].Nature materials,2007(3):183-191. |
| [3] | Balandin AA;Ghosh S;Bao WZ;Calizo I;Teweldebrhan D;Miao F;Lau CN .Superior thermal conductivity of single-layer graphene[J].Nano letters,2008(3):902-907. |
| [4] | Stoller MD;Park SJ;Zhu YW;An JH;Ruoff RS .Graphene-Based Ultracapacitors[J].Nano letters,2008(10):3498-3502. |
| [5] | Bolotin, KI;Sikes, KJ;Jiang, Z;Klima, M;Fudenberg, G;Hone, J;Kim, P;Stormer, HL .Ultrahigh electron mobility in suspended graphene[J].Solid State Communications,2008(9/10):351-355. |
| [6] | Kim K S;Zhao Y;Jang H et al.Large scale pattern growth of graphene films for stretchable transparent electrodes[J].Nature,2009,457:706. |
| [7] | Pan Y;Zhang H;Shi D et al.Highly ordered,millimeter scale,continuous,single crystalline grapheme monolayer formed on Ru(0001)[J].Advanced Materials,2009,21(27):2777. |
| [8] | 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. |
| [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] | Reina A;Jia XT;Ho J;Nezich D;Son HB;Bulovic V;Dresselhaus MS;Kong J .Large Area, Few-Layer Graphene Films on Arbitrary Substrates by Chemical Vapor Deposition[J].Nano letters,2009(1):30-35. |
| [11] | Staudenmaier L .Verfahren zur dar stellung der graphitsaure[J].Ber Dtsch Chemical Ges,1898,31(02):1481. |
| [12] | Brodie B C .Surle poids atomique du graphite[J].Annales De Chimie Et De Physique,1860,59:466. |
| [13] | Hummers W S;Offeman R E .Preparation of graphitic oxide[J].Journal of the American Chemical Society,1958,80(06):1339. |
| [14] | Si Y;Samulski ET .Synthesis of water soluble graphene[J].Nano letters,2008(6):1679-1682. |
| [15] | Bourlinos AB.;Gournis D.;Petridis D.;Szabo T.;Szeri A.;Dekany I. .Graphite oxide: Chemical reduction to graphite and surface modification with primary aliphatic amines and amino acids[J].Langmuir: The ACS Journal of Surfaces and Colloids,2003(15):6050-6055. |
| [16] | 傅玲,刘洪波,邹艳红,李波.Hummers法制备氧化石墨时影响氧化程度的工艺因素研究[J].炭素,2005(04):10-14. |
| [17] | 杨常玲,刘云芸,孙彦平.石墨烯的制备及其电化学性能[J].电源技术,2010(02):177-180. |
| [18] | He HY.;Forster M.;Lerf A.;Klinowski J. .A new structural model for graphite oxide[J].Chemical Physics Letters,1998(1/2):53-56. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%