Citation: SUN Da-Li, PENG Sheng-Lin, OUYANG Jun, OUYANG Fang-Ping. Electronic Transport Properties of Graphene Nanoribbons with Nanoholes[J]. Acta Physico-Chimica Sinica, ;2011, 27(05): 1103-1107. doi: 10.3866/PKU.WHXB20110521 shu

Electronic Transport Properties of Graphene Nanoribbons with Nanoholes

1.
1. School of Physics Science and Technology, Central South University, Changsha 410083, P. R. China;
2. College of Chemistry and Molecular Engineering, Beijing National Laboratory for Molecular Sciences, Peking University, Beijing 100871, P. R. China

Received Date: 12 December 2010
Available Online: 8 April 2011
Fund Project: 中国博士后科学基金特别资助项目(201003009, 20090460145) (201003009, 20090460145) 中央高校基本科研业务费(201012200053) (201012200053) 湖南省科技计划项目(2010DFJ411) (2010DFJ411)中南大学理科发展基金(08SDF02, 09SDF09)资助 (08SDF02, 09SDF09)

Based on the density of the general theory, the structures of ziqzag graphene nanoribbons (ZGNRs) (N=17, N is the number of carbon chain) with nanoholes are optimized and then get the transport property of the electrons in these systems with different holes through the calculation. The results show that the conductance is not only related to the quantum confinement effect, but also confined by the symmetry of the hole and the configuration of the dia nal symmetry is larger than the longitudinal symmetry′s in the presence of a single-hole. In the case of two holes, the conduction of the system is advanced with the growth of the distance between the two holes because of the coupling effect. At the same time, we can get some quantum phenomenon which can be explained by the model of one- dimensional double barrier.
- Graphene nanoribbon,
- Nanoholes,
- Quantum confinement effect,
- Symmetry
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