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The graphene samples with different numbers of layers are prepared by chemical vapor deposition, the relation between the number of graphene layers and the transmission at 550 nm is analyzed by graphene transmission spectrum. Besides, the damage characteristics of graphene under high intensity laser irradiation are analyzed. The results show that under the laser irradiation, for the single layer graphene, G band and 2D band shift toward high frequeney but for the multilayer graphene, only G band shifts a litile; the ratio between intensities of G band and 2D band in Raman spectrum characterizes the number of graphene layers, and it increases with the irradiated time, so the high intensity laser can peel the graphene.
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Keywords:
- graphene /
- Raman spectrum /
- modification
[1] Novoselov S K, Geim A K, Morozov S V, Jiang D, Zhang Y, Doubonos S V, Grigorieva I V, Firsov A A 2004 Science 306 666
[2] Campos-Delgado J, Kim Y A, Hayashi T, Morelos-Gomez A, Hofmann M, Endo M, Terrones H, Shull R D, Dresselhaus M S, Terrones M 2009 Chem. Phys. Lett. 469 177
[3] Jiao L Y, Zhang L, Wang X R, Diankov G, Dai H 2009 Nature 458 877
[4] Castro Neto A, Guinea F, Peres N, Novoselov K, Geim A 2009 Rev. Mod. Phys. 81 109
[5] Bolotin K, Sikes K J, Jiang Z, Klima M, Fudenderg G, Hone J, Kim P, Stormer H L 2008 Solid State Commu. 146 351
[6] Balandin A A, Ghosh S, Bao W Z, Calizo I, Teweldebrhan D, Miao F, Lau C N 2008 Nano Lett. 8 902
[7] Geim A K, Novoselov K S 2007 Nat. Mater. 6 183
[8] Li X S, Cai W W, An J B, Kim S, Nah J, Yang D X, Piner R, Velamakanni A, Jung I, Tutuc E, Banerjee S K, Colombo L, Ruoff R S 2009 Science 324 1312
[9] Takeuchi M, Muto S, Tanabe T, Arai S, Kuroyanagi T 1997 Phil. Mag. A: Phys. Conden. Matter Struct. Defects Mech. Properties 76 691
[10] Niwase K 2002 Phil. Mag. Lett. 82 401
[11] Zaiser M, Banhart F 1997 Phys. Rev. Lett. 79 3680
[12] Brunetto R, Baratta G, Strazzulla G 2004 J. Appl. Phys. 96 380
[13] Compagnini G, Baratta G 1992 Appl. Phys. Lett. 61 1796
[14] Nair R R, Blake P, Grigorenko A N, Novoselov K S, Booth T J, Stauber T, Peres N M R, Geim A K 2008 Science 320 1308
[15] Jung N, Kim N, Jockusch S, Turro N J, Kim P, Brus L 2009 Nano Lett. 9 4133
[16] Ferrari A, Robertson J 2000 Phys. Rev. B 61 14095
[17] Yan J, Zhang Y, Kim P, Pinczuk A 2007 Phys. Rev. Lett. 98 166802
[18] Hulman M, Haluska M, Scalia G, Obergfell D, Roth S 2008 Nano Lett. 8 3594
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[1] Novoselov S K, Geim A K, Morozov S V, Jiang D, Zhang Y, Doubonos S V, Grigorieva I V, Firsov A A 2004 Science 306 666
[2] Campos-Delgado J, Kim Y A, Hayashi T, Morelos-Gomez A, Hofmann M, Endo M, Terrones H, Shull R D, Dresselhaus M S, Terrones M 2009 Chem. Phys. Lett. 469 177
[3] Jiao L Y, Zhang L, Wang X R, Diankov G, Dai H 2009 Nature 458 877
[4] Castro Neto A, Guinea F, Peres N, Novoselov K, Geim A 2009 Rev. Mod. Phys. 81 109
[5] Bolotin K, Sikes K J, Jiang Z, Klima M, Fudenderg G, Hone J, Kim P, Stormer H L 2008 Solid State Commu. 146 351
[6] Balandin A A, Ghosh S, Bao W Z, Calizo I, Teweldebrhan D, Miao F, Lau C N 2008 Nano Lett. 8 902
[7] Geim A K, Novoselov K S 2007 Nat. Mater. 6 183
[8] Li X S, Cai W W, An J B, Kim S, Nah J, Yang D X, Piner R, Velamakanni A, Jung I, Tutuc E, Banerjee S K, Colombo L, Ruoff R S 2009 Science 324 1312
[9] Takeuchi M, Muto S, Tanabe T, Arai S, Kuroyanagi T 1997 Phil. Mag. A: Phys. Conden. Matter Struct. Defects Mech. Properties 76 691
[10] Niwase K 2002 Phil. Mag. Lett. 82 401
[11] Zaiser M, Banhart F 1997 Phys. Rev. Lett. 79 3680
[12] Brunetto R, Baratta G, Strazzulla G 2004 J. Appl. Phys. 96 380
[13] Compagnini G, Baratta G 1992 Appl. Phys. Lett. 61 1796
[14] Nair R R, Blake P, Grigorenko A N, Novoselov K S, Booth T J, Stauber T, Peres N M R, Geim A K 2008 Science 320 1308
[15] Jung N, Kim N, Jockusch S, Turro N J, Kim P, Brus L 2009 Nano Lett. 9 4133
[16] Ferrari A, Robertson J 2000 Phys. Rev. B 61 14095
[17] Yan J, Zhang Y, Kim P, Pinczuk A 2007 Phys. Rev. Lett. 98 166802
[18] Hulman M, Haluska M, Scalia G, Obergfell D, Roth S 2008 Nano Lett. 8 3594
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