| CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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Growth of Graphene Nanoribbons and Carbon Onions from Polymer |
| GUO Xiao-Song, LU Bing-An, XIE Er-Qing**
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Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Physical Science and Technology School, Lanzhou University, Lanzhou 730000
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| Cite this article: |
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GUO Xiao-Song, LU Bing-An, XIE Er-Qing 2011 Chin. Phys. Lett. 28 076803 |
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Abstract Graphene nanoribbons and carbon onions are directly prepared by electron beam irradiation of polyacrylonitrile and expanded polystyrene nanofibers, respectively. By controlling the irradiation process in a high resolution transmission electron microscope, the number of layers of the graphene nanoribbons, as well as the dimension of the carbon onions, can be controlled. It is found that the initial diameter of the nanofiber has a strong effect on the final results. A mechanism is proposed to explain the transformation of polymer nanofibers to carbon nanostructures under electron beam irradiation. This supposes that the polymer nanofibers are first carbonized and then graphitized as a result of the high energy electrons. According to the mechanism, it is believed that all polymer nanofibers could be carbonized and then converted to graphene nanoribbons by proper electron beam irradiation.
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| Keywords:
68.35.Bm
68.37.Lp
61.48.Gh
62.23.Kn
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Received: 03 June 2011
Published: 29 June 2011
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[1] Elias D C et al 2010 Science 323 610
[2] Novoselov K S et al 2004 Science 306 666
[3] Zhang Y et al 2005 Nature 438 201
[4] Schedin F et al 2007 Nat. Mater. 6 652
[5] Park S and Ruoff R S 2009 Nat. Nano. 4 217
[6] Ismach A et al 2009 Nano. Lett. 10 1542
[7] Wu Z S et al 2009 Acs nano. 3 411
[8] Turchanin A, Beyer A, Nottbohm C T, Zhang X, Stosch R, Sologubenko A, Mayer J, Hinze P and Weimann T 2009 Adv. Mater. 21 1233
[9] Banhart F 1999 Repo. Prog Phys. 62 1181
[10] Ugarte D 1992 Nature 359 707
[11] Banhart F and Ajayan P M 1996 Nature 382 433
[12] Smith B W, Monthioux M and Luzzi D E 1998 Nature 396 323
[13] Duan H, Xie E, Han L and Xu Z 2008 Adv. Mater. 20 3284
[14] Lu B, Wang Y, Liu Y, Duan H, Zhou J, Zhang Z, Wang Y, Li X, Wang W, Lan W and Xie E 2010 Small 6 1612
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