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Home»Articles»Theoretical Study on the Thermoelectric Properties of Porous Armchair Graphene Nanoribbons

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Asian Journal of Electrical Sciences (AJES)

Editor Dr. Koray Ulgen
Print ISSN : 2249 - 6297
Frequency : Quarterly

Theoretical Study on the Thermoelectric Properties of Porous Armchair Graphene Nanoribbons

Author : Navjotkaur, Deep Kamal Kaur Randhawa and Sukhdeep Kaur
Volume 8 No.2 April-June 2019 pp 34-41

Abstract

Thermoelectric properties of porous graphene nanoribbons (GNRs) have been explored for a range of pore dimensions in order to achieve a high performance one-dimensional nanoscale thermoelectric device. In this paper, study has been done to observe the effect of different nanoporous shapes and their associated positions on the thermoelectric properties of GNRs. The aim of this work is to study the effect of various circular, triangular, rectangular and rhombus shape dimensions so as to tune the pore to its optimal dimension that would enhance the overall thermoelectric efficiency. Further, the effect of passivation of pore edges has been studied for all shapes so as to observe its effect on thermoelectric performance. Also, the effect of temperature dependence on thermoelectric efficiency has been studied. Ballistic transport regime and semi empirical method using Huckel basis set is used to obtain the electrical properties while the tersoff potential is used for the phononic system.

Keywords

Thermoelectric, Nanopore, Figure of Merit, Passivation

Full Text:

References

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Asian Journal of Electrical Sciences (AJES) is a quarterly international peer-reviewed journal of Electrical Sciences. One of the objectives of this journal is to disseminate knowledge on various research issues connected with the topics include, but are not limited to:

Telecommunications – transmission of information, coax cable, optical fiber or free space, amplitude modulation and frequency modulation, transmitters and receivers, transceiver.
Instrumentation – pressure, flow and temperature, electromagnetic theory, thermocouples, sensors of larger electrical systems, control engineering.
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Thermoelectric properties of porous graphene nanoribbons (GNRs) have been explored for a range of pore dimensions in order to achieve a high performance one-dimensional nanoscale thermoelectric device. In this paper, study has been done to observe the effect of different nanoporous shapes and their associated positions on the thermoelectric properties of GNRs. The aim of this work is to study the effect of various circular, triangular, rectangular and rhombus shape dimensions so as to tune the pore to its optimal dimension that would enhance the overall thermoelectric efficiency. Further, the effect of passivation of pore edges has been studied for all shapes so as to observe its effect on thermoelectric performance. Also, the effect of temperature dependence on thermoelectric efficiency has been studied. Ballistic transport regime and semi empirical method using Huckel basis set is used to obtain the electrical properties while the tersoff potential is used for the phononic system.

Editor-in-Chief
Dr. Koray Ulgen
Department of energy engineering, Ege University, Turkey
[email protected]
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Dr. Rasyidah Binti Mohamad Idris
Department of Electrical Power Engineering, Universiti Teknologi Malaysia
[email protected]
Dr. Norhaliza Abdul Wahab
Department of Control & Mechatronics Engineering, Universiti Teknologi Malaysia
[email protected]
Prof. Md Irfan Ahmed
Department of Electrical Engineering, Career Point University, Rajasthan, India
[email protected]
Dr. Sallehuddin Bin Ibrahim
Department of Control And Mechatronics Engineering, Universiti Teknologi Malaysia
[email protected]
Dr. Naziha bt. Ahmad Azli
Department of Electrical Power Engineering, Universiti Teknologi Malaysia
[email protected]
Dr. Sharul Kamal Bin Abdul Rahim
Department of Communication Engineering, Universiti Teknologi Malaysia
[email protected]
Dr. Jasrul Jamani Bin Jamian
Department of Electrical Power Engineering, Universiti Teknologi Malaysia
[email protected]
Dr. T. Rajesh
Department of EEE, INFO Institute of Engineering, Coimbatore, India
[email protected]
Dr. Mohamad Kamal B. A. Rahim
Department of Communication Engineering, Universiti Teknologi Malaysia
[email protected]
Dr. Sophan Wahyudi Bin Nawawi
Department of Control and Mechatronics Engineering, Universiti Teknologi Malaysia
[email protected]
Dr. Nor Hisham Haji Khamis
Department of Communication Engineering, Universiti Teknologi Malaysia
[email protected]
Dr. Cheng Siong Lim
Department of Control and Mechatronic Engineering,Universiti Teknologi Malaysia
[email protected]
Dr. Sharifah Kamilah Bt Syed Yusof
Department of Electrical Engineering Universiti Teknologi Malaysia
[email protected]
Dr. Shahdan Sudin
Department of Control and Mechatronic Engineering, Universiti Teknologi Malaysia
[email protected]
Dr. Razali Bin Ngah
Department of Electrical Engineering, Universiti Teknologi Malaysia
[email protected]

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    Editorial Note

    Editorial Dr. Koray Ulgen

    Editor-in-Chief
    Dr. Koray Ulgen
    Department of energy engineering, Ege University, Turkey
    [email protected]
    Editorial Advisory Board
    Dr. Rasyidah Binti Mohamad Idris
    Department of Electrical Power Engineering, Universiti Teknologi Malaysia
    [email protected]
    Dr. Norhaliza Abdul Wahab
    Department of Control & Mechatronics Engineering, Universiti Teknologi Malaysia
    [email protected]
    Prof. Md Irfan Ahmed
    Department of Electrical Engineering, Career Point University, Rajasthan, India
    [email protected]
    Dr. Sallehuddin Bin Ibrahim
    Department of Control And Mechatronics Engineering, Universiti Teknologi Malaysia
    [email protected]
    Dr. Naziha bt. Ahmad Azli
    Department of Electrical Power Engineering, Universiti Teknologi Malaysia
    [email protected]
    Dr. Sharul Kamal Bin Abdul Rahim
    Department of Communication Engineering, Universiti Teknologi Malaysia
    [email protected]
    Dr. Jasrul Jamani Bin Jamian
    Department of Electrical Power Engineering, Universiti Teknologi Malaysia
    [email protected]
    Dr. T. Rajesh
    Department of EEE, INFO Institute of Engineering, Coimbatore, India
    [email protected]
    Dr. Mohamad Kamal B. A. Rahim
    Department of Communication Engineering, Universiti Teknologi Malaysia
    [email protected]
    Dr. Sophan Wahyudi Bin Nawawi
    Department of Control and Mechatronics Engineering, Universiti Teknologi Malaysia
    [email protected]
    Dr. Nor Hisham Haji Khamis
    Department of Communication Engineering, Universiti Teknologi Malaysia
    [email protected]
    Dr. Cheng Siong Lim
    Department of Control and Mechatronic Engineering,Universiti Teknologi Malaysia
    [email protected]
    Dr. Sharifah Kamilah Bt Syed Yusof
    Department of Electrical Engineering Universiti Teknologi Malaysia
    [email protected]
    Dr. Shahdan Sudin
    Department of Control and Mechatronic Engineering, Universiti Teknologi Malaysia
    [email protected]
    Dr. Razali Bin Ngah
    Department of Electrical Engineering, Universiti Teknologi Malaysia
    [email protected]

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