Electronic transport in penta-graphene nanoribbon devices using carbon nanotube electrodes: A computational study
https://doi.org/10.17586/2220-8054-2020-11-2-176-182
Abstract
Electronic transport properties of pristine, homogenously and heterogeneously boron-nitrogen doped saw-tooth penta-graphene nanoribbon (SPGNR) with carbon nanotube electrodes have been studied using Extended Huckel Theory in combination with the non-equilibrium Green’s function formalism. CNT electrodes produce a remarkable increase in current at higher bias voltages in pristine SPGNR. The current intensity is maximum at higher bias voltages, while the nitrogen-doped model shows current from the onset of the bias voltage. However, there are also considerable differences in the I-V curves associated with the pristine model and other models doped homogenously as well as heterogeneously with boron and nitrogen. The doped models also exhibit a small negative differential resistance effect, with much prominence in the nitrogen-doped model. In summary, our findings show clearly that doping can effectively modulate the electronic and the transport properties of penta-graphene nanoribbons that have not been studied and reported thus far.
Supporting agencies: This work is supported by the Department of Science and Technology, Science and Engineering Research Board (DST-SERB), New Delhi, India, funded project (Grant No. EMR/002866/2017).
About the Authors
M. Shunaid Parvaiz
Department of Physics, S. P. College Campus, Cluster University; Department of Physics, University of Kashmir
India
India
Srinagar, J&K-190001
Srinagar, J&K-190006
Khurshed A. Shah
Department of Physics, S. P. College Campus, Cluster University
India
India
Srinagar, J&K-190001
G. N. Dar
Department of Physics, University of Kashmir
India
India
Srinagar, J&K-190006
Sugata Chowdhury
Department of Physics and Astronomy, Howard University
United States
United States
Washington, DC 20059
Olasunbo Farinre
Department of Physics and Astronomy, Howard University
United States
United States
Washington, DC 20059
Prabhakar Misra
Department of Physics and Astronomy, Howard University
United States
United States
Washington, DC 20059
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Review
For citations:
Shunaid Parvaiz M., Shah Kh., Dar G.N., Chowdhury S., Farinre O., Misra P. Electronic transport in penta-graphene nanoribbon devices using carbon nanotube electrodes: A computational study. Nanosystems: Physics, Chemistry, Mathematics. 2020;11(2):176–182. https://doi.org/10.17586/2220-8054-2020-11-2-176-182
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