利用自行搭建的化学气相沉积(CVD)设备在Cu箔衬底上成功的制备出石墨烯薄膜,并利用光学显微镜和拉曼光谱分析等手段对石墨烯薄膜的形貌和结构进行了表征.主要研究了Cu箔的表面处理和沉积过程的气体流量对石墨烯质量的影响,发现氨水处理Cu箔可以腐蚀Cu箔表面的各种杂质提高Cu箔的洁净度从而提高石墨烯的结晶质量,优化CH4和H2的气体流量可以提高石墨烯的单层性和均匀性.并最终在CH4∶H2=200∶0 sccm条件下,在氨水处理过的Cu箔上获得了面积1.5 cm×1.5 cm的均匀的单层石墨烯.
参考文献
| [1] | Geim AK;Novoselov KS .The rise of graphene[J].Nature materials,2007(3):183-191. |
| [2] | 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. |
| [3] | Bunch JS;van der Zande AM;Verbridge SS;Frank IW;Tanenbaum DM;Parpia JM;Craighead HG;McEuen PL .Electromechanical resonators from graphene sheets[J].Science,2007(26):490-493. |
| [4] | Changgu Lee;Xiaoding Wei;Jeffrey W. Kysar;James Hone .Measurement of the Elastic Properties and Intrinsic Strength of Monolayer Graphene[J].Science,2008(5887):385-388. |
| [5] | Novoselov K.S;C eim A.K;Morozov S.V et al.Electric Field Effect in Atomically Thin Carbon Films[J].Science,2004,306(5696):666-669. |
| [6] | Li X;Wang X;Zhang L;Lee S;Dai H .Chemically derived, ultrasmooth graphene nanoribbon semiconductors.[J].Science,2008(5867):1229-1232. |
| [7] | Si Y;Samulski ET .Synthesis of water soluble graphene[J].Nano letters,2008(6):1679-1682. |
| [8] | Forbeaux I.;Debever JM.;Themlin JM. .Heteroepitaxial graphite on 6H-SiC(0001): Interface formation through conduction-band electronic structure[J].Physical Review.B.Condensed Matter,1998(24):16396-16406. |
| [9] | Pan Y;Zhang H;Shi D et al.Highly Ordered,Millimeter-Scale,Continuous,Single-Crystalline Graphene Monolayer Formed on Ru (0001)[J].Advanced Materials,2009,21(27):2777-2780. |
| [10] | Li X;Cai W;An J et al.Large-Area Synthesis of High-Quality and Uniform Graphene Films on Copper Foils[J].Science,2009,324(5932):1312-1314. |
| [11] | Bae, S.;Kim, H.;Lee, Y.;Xu, X.;Park, J.-S.;Zheng, Y.;Balakrishnan, J.;Lei, T.;Ri Kim, H.;Song, Y.I.;Kim, Y.-J.;Kim, K.S.;?zyilmaz, B.;Ahn, J.-H.;Hong, B.H.;Iijima, S. .Roll-to-roll production of 30-inch graphene films for transparent electrodes[J].Nature nanotechnology,2010(8):574-578. |
| [12] | C. Portet;G. Yushin;Y. Gogotsi .Electrochemical performance of carbon onions, nanodiamonds, carbon black and multiwalled nanotubes in electrical double layer capacitors[J].Carbon: An International Journal Sponsored by the American Carbon Society,2007(13):2511-2518. |
| [13] | Ferrari A.C;Robertson J .Interpretation of Raman spectra of disordered and amorphous carbon[J].Physical Review B,2000,61(20):14095-14107. |
| [14] | Ni Z;Wang Y;Yu T et al.Raman Spectroscopy and Imaging of Graphene[J].Nano Research,2008,1(04):273-291. |
| [15] | L.M. Malard;M.A. Pimenta;G. Dresselhaus;M.S. Dresselhaus .Raman spectroscopy in graphene[J].Physics Reports: A Review Section of Physics Letters (Section C),2009(5/6):51-87. |
| [16] | De Arco L.G;Zhang Y;Kumar A et al.Synthesis,Transfer,and Devices of Single-and Few-Layer Graphene by Chemical Vapor Deposition[J].IEEE Transactions on Nanotechnology,2009,8(02):135-138. |
| [17] | Park J-H;Sudarshan T.S.Chemical vapor deposition[M].Scarborough:ASM International,2001 |
| [18] | Hye Jin Park;Jannik Meyer;Siegmar Roth .Growth and properties of few-layer graphene prepared by chemical vapor deposition[J].Carbon: An International Journal Sponsored by the American Carbon Society,2010(4):1088-1094. |
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%