J. Semicond. > 2023, Volume 44 > Issue 3 > 032001, doi: 10.1088/1674-4926/44/3/032001
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ARTICLES

Bilayer MSe2 (M = Zr, Hf, Mo, W) performance as a hopeful thermoelectric materials

Mahmood Radhi Jobayr1, and Ebtisam M-T. Salman2

+ Author Affiliations

 Corresponding author: Mahmood Radhi Jobayr, dr.mahmood-radhi@mtu.edu.iq

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Abstract: Significant advancements in nanoscale material efficiency optimization have made it feasible to substantially adjust the thermoelectric transport characteristics of materials. Motivated by the prediction and enhanced understanding of the behavior of two-dimensional (2D) bilayers (BL) of zirconium diselenide (ZrSe2), hafnium diselenide (HfSe2), molybdenum diselenide (MoSe2), and tungsten diselenide (WSe2), we investigated the thermoelectric transport properties using information generated from experimental measurements to provide inputs to work with the functions of these materials and to determine the critical factor in the trade-off between thermoelectric materials. Based on the Boltzmann transport equation (BTE) and Barden-Shockley deformation potential (DP) theory, we carried out a series of investigative calculations related to the thermoelectric properties and characterization of these materials. The calculated dimensionless figure of merit (ZT) values of 2DBL-MSe2 (M = Zr, Hf, Mo, W) at room temperature were 3.007, 3.611, 1.287, and 1.353, respectively, with convenient electronic densities. In addition, the power factor is not critical in the trade-off between thermoelectric materials but it can indicate a good thermoelectric performance. Thus, the overall thermal conductivity and power factor must be considered to determine the preference of thermoelectric materials.

Key words: ZT, thermoelectric property, 2D-bilayer, Boltzmann-transport equation, TE power factor



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Fig. 1.  (Color online) Reduced chemical potential versus carrier density for 2DBL MSe2 (M = Zr, Hf, Mo, W) (solid line) and bulk (dotted line).

DownLoad: Full-Size Img PowerPoint
Fig. 2.  (Color online) Thermoelectric power factor, PF, versus carrier density for 2DBL MSe2 (M = Zr, Hf, Mo, W) (solid line) and bulk (dashed dot line). The square points represent the optimal values for obtaining ZTmax (the inset PF as a function of the reduced chemical potential).

DownLoad: Full-Size Img PowerPoint
Fig. 3.  (Color online) Seebeck coefficient versus electrical conductivity at T = 300 K for 2DBL MSe2 (M = Zr, Hf, Mo, W) (solid line) and their bulk counterparts.

DownLoad: Full-Size Img PowerPoint
Fig. 4.  (Color online) Carrier density dependence of absolute values of the Seebeck coefficient (Pisarenko relation) and the squared points represent the optimal values for obtaining (a) ZTmax, and (b) Seebeck coefficient squared for 2DBL MSe2 (M = Zr, Hf, Mo, W) and bulk.

DownLoad: Full-Size Img PowerPoint
Fig. 5.  (Color online) Mobility versus carrier density for 2DBL MSe2 (M = Zr, Hf, Mo, W). The squared points represent the optimal values for obtaining ZTmax (the inset mobility as a function of the reduced chemical potential).

DownLoad: Full-Size Img PowerPoint
Fig. 6.  (Color online) Electrical conductivity versus carrier density for 2DBL MSe2 (M = Zr, Hf, Mo, W) (solid line) and bulk (dotted line. The squared points represent the optimal values for obtaining ZTmax (the inset σ as a function of the reduced chemical potential).

DownLoad: Full-Size Img PowerPoint
Fig. 7.  (Color online) Electronic thermal conductivity versus carrier density for 2DBL MSe2 (M = Zr, Hf, Mo, W) (solid line) and bulk (dotted line). The squared points represent the optimal values for obtaining ZTmax (the inset κe as a function of the reduced chemical potential).

DownLoad: Full-Size Img PowerPoint
Fig. 8.  (Color online) Phonon dispersions of bilayer. (a) ZrSe2. (b) HfSe2. (c) MoSe2. (d) WSe2.

DownLoad: Full-Size Img PowerPoint
Fig. 9.  (Color online) Figure of merit and carrier density of 2DBL-MSe2 (M = Mo, W, Hf, Zr) (solid line) and bulk (dotted line) (inset ZT as a function of reduced chemical potential).

DownLoad: Full-Size Img PowerPoint

Table 1.   The theoretical and experimental reported values of 2DBL-MSe2 (M = Hf, Zr, Mo, W) that were used to evaluate the thermoelectric properties.

2DBL MX2ZrSe2HfSe2MoSe2WSe2
mx /mo2.88[17]2.81[17]0.539[30]0.411[30]
my/mo0.66[17]0.55[17]0.539[30]0.412[30]
C2D (GPa)318 [42]337[42]494[42]566 [42]
Df (eV)1.25[42]1.08[42]3.65[42]3.78[42]
(mx/mo), (my/mo) (Bulk)0.48[47]0.42[47]0.521[30]0.489[30]
(mz/mo) (Bulk)1.86[47]2.17[47]0.776[30]0.643[30]
kph 2DBL (W/(m·K))0.54[5]0.51[5]0.72[5]0.66[5]
kph (Bulk) (W/(m·K))9.9[17]7.7[17]52[30]52[30]
DownLoad: CSV

Table 2.   Calculated values to obtain the maximum values of power factor for the 2DBL MSe2 (M = Zr, Hf, Mo, W).

Materialmd/moτ (10−13 s)µ (cm2/(V·s))PFmax (10−2)
ZrSe21.263.120.03975.2357
HfSe21.138.200.11587.6179
MoSe20.4911.090.36145.0970
WSe20.3716.940.72307.1409
DownLoad: CSV

Table 3.   Calculated properties of 2DBL-MSe2 (M = Zr, Hf, Mo, W) and their bulk counterparts.

MaterialZrSe2HfSe2MoSe2WSe2
2DBLBulk2DBLBulk2DBLBulk2DBLBulk
nopt (1017 cm−3)204641043823250.7278
µopt (cm2/(V·s))2652116[54]4519102[54]10609269[54]223041083[54]
Sopt (μV/K)–433.54–145.64–475.87–145.64–518.5–145.64–561.3–145.64
σopt (104 Ω−1m−1)8.4358.60907.5147.15453.06713.99652.61648.144
PFopt (10−2 W/(K2·m))1.58540.182611.70161.51760.82460.29690.82421.0212
$ {K}_{\mathrm{e}} $ (W/(K·m))1.0420.39680.9040.33541.2020.97981.1683.2370
$ {K}_{\mathrm{t}\mathrm{o}\mathrm{t}} $ (W/(K·m))1.58210.29681.4148.03541.92252.97981.82855.2370
ZT (dimensionless)3.010.05323.610.05671.290.01681.350.0555
DownLoad: CSV
[1]
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[2]
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[3]
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[4]
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[5]
Özbal G, Senger T, Sevik C, et al. Ballistic thermoelectric properties of monolayer semiconducting transition metal dichalcogenides and oxides. Phys Rev B, 2019, 100, 084515 doi: 10.1103/PhysRevB.100.085415
[6]
Esfarjani K, Zebarjadi M, Kawazoe Y. Thermoelectric properties of a nanocontact made of two-capped single-wall carbon nanotubes calculated within the tight-binding approximation. Phys Rev B, 2006, 73, 085406 doi: 10.1103/PhysRevB.73.085406
[7]
Farhangfar S. Size-dependent thermoelectricity in nanowires. J Phys D, 2011, 44, 125403 doi: 10.1088/0022-3727/44/12/125403
[8]
Hung N T, Nugraha A R T, Saito R. Two-dimensional InSe as a potential thermoelectric material. Appl Phys Lett, 2017, 111, 092107 doi: 10.1063/1.5001184
[9]
Zhu X L, Liu P F, Zhang J R, et al. Monolayer SnP3: An excellent p-type thermoelectric material. Nanoscale, 2019, 11, 19923 doi: 10.1039/C9NR04726C
[10]
Skelton J M, Parker S C, Togo A, et al. Thermal physics of the lead chalcogenides PbS, PbSe, and PbTe from first principles. Phys Rev B, 2014, 89, 205203 doi: 10.1103/PhysRevB.89.205203
[11]
Gao Z B, Wang J S. Thermoelectric penta-silicene with a high room-temperature figure of merit. ACS Appl Mater Interfaces, 2020, 12, 14298 doi: 10.1021/acsami.9b21076
[12]
Ceyda Yelgel Ö, Srivastava G P. Thermoelectric properties of p-type (Bi2Te3) x(Sb2Te3)1− x single crystals doped with 3 wt.% Te. J Appl Phys, 2013, 113, 073709 doi: 10.1063/1.4792653
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[14]
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[15]
Fang T, Zheng S Q, Zhou T, et al. Computational prediction of high thermoelectric performance in p-type half-Heusler compounds with low band effective mass. Phys Chem Chem Phys, 2017, 19, 4411 doi: 10.1039/C6CP07897D
[16]
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[17]
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[18]
Li S, Wang Y M, Chen C, et al. Heavy doping by bromine to improve the thermoelectric properties of n-type polycrystalline SnSe. Adv Sci, 2018, 5, 1800598 doi: 10.1002/advs.201800598
[19]
Kim S, Lee C, Lim Y S, et al. Investigation for thermoelectric properties of the MoS2 monolayer-graphene heterostructure: Density functional theory calculations and electrical transport measurements. ACS Omega, 2020, 6, 278 doi: 10.1021/acsomega.0c04488
[20]
Kara H, Upadhyay Kahaly M, Özdoğan K. Thermoelectric response of quaternary Heusler compound CrVNbZn. J Alloys Compd, 2018, 735, 950 doi: 10.1016/j.jallcom.2017.11.022
[21]
Wu X M, Ke X X, Sui M L. Recent progress on advanced transmission electron microscopy characterization for halide perovskite semiconductors. J Semicond, 2022, 43, 041106 doi: 10.1088/1674-4926/43/4/041106
[22]
Jobayr M R, Salman E M T. Investigation of the thermoelectric properties of one-layer transition metal dichalcogenides. Chin J Phys, 2021, 74, 270 doi: 10.1016/j.cjph.2021.07.041
[23]
Wu D, Huang L, Jia P Z, et al. Tunable spin electronic and thermoelectric properties in twisted triangulene π-dimer junctions. Appl Phys Lett, 2021, 119, 063503 doi: 10.1063/5.0056393
[24]
Chen X K, Hu X Y, Jia P, et al. Tunable anisotropic thermal transport in porous carbon foams: The role of phonon coupling. Int J Mech Sci, 2021, 206, 106576 doi: 10.1016/j.ijmecsci.2021.106576
[25]
Zhao Q Y, Guo Y H, Si K Y, et al. Elastic, electronic, and dielectric properties of bulk and monolayer ZrS2, ZrSe2, HfS2, HfSe2 from van der Waals density-functional theory. Phys Status Solidi B, 2017, 254, 1700033 doi: 10.1002/pssb.201700033
[26]
Qin D, Ge X J, Ding G Q, et al. Strain-induced thermoelectric performance enhancement of monolayer ZrSe2. RSC Adv, 2017, 7, 47243 doi: 10.1039/C7RA08828K
[27]
Yao Q R, Zhang L J, Bampoulis P, et al. Nanoscale investigation of defects and oxidation of HfSe2. J Phys Chem C, 2018, 122, 25498 doi: 10.1021/acs.jpcc.8b08713
[28]
Ju L, Bie M, Shang J, et al. Janus transition metal dichalcogenides: A superior platform for photocatalytic water splitting. J Phys Mater, 2020, 3, 022004 doi: 10.1088/2515-7639/ab7c57
[29]
Guo R Q, Wang X J, Kuang Y D, et al. First-principles study of anisotropic thermoelectric transport properties of IV-VI semiconductor compounds SnSe and SnS. Phys Rev B, 2015, 92, 115202 doi: 10.1103/PhysRevB.92.115202
[30]
Wickramaratne D, Zahid F, Lake R K. Electronic and thermoelectric properties of few-layer transition metal dichalcogenides. J Chem Phys, 2014, 140, 124710 doi: 10.1063/1.4869142
[31]
Witkoske E, Wang X, Maassen J, et al. Universal behavior of the thermoelectric figure of merit, zT, vs. quality factor. Mater Today Phys, 2019, 8, 43 doi: 10.1016/j.mtphys.2018.12.005
[32]
Koroleva O N, Mazhukin A V, Mazhukin V I, et al. Approximation of Fermi-Dirac integrals of different orders used to determine the thermal properties of metals and semiconductors. Mathematica Montisnigri, 2016, 35, 37
[33]
Hernandez J A, Ruiz A, Fonseca L F, et al. Thermoelectric properties of SnSe nanowires with different diameters. Sci Rep, 2018, 8, 11966 doi: 10.1038/s41598-018-30450-5
[34]
Qin D, Yan P, Ding G Q, et al. Monolayer PdSe2: A promising two-dimensional thermoelectric material. Sci Rep, 2018, 8, 2764 doi: 10.1038/s41598-018-20918-9
[35]
Wang X F, Askarpour V, Maassen J, et al. On the calculation of Lorenz numbers for complex thermoelectric materials. J Appl Phys, 2018, 123, 055104 doi: 10.1063/1.5009939
[36]
Scheidemantel T J, Ambrosch-Draxl C, Thonhauser T, et al. Transport coefficients from first-principles calculations. Phys Rev B, 2003, 68, 125210 doi: 10.1103/PhysRevB.68.125210
[37]
Neophytou N, Kosina H. Effects of confinement and orientation on the thermoelectric power factor of silicon nanowires. Phys Rev B, 2011, 83, 245305 doi: 10.1103/PhysRevB.83.245305
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Wu C W, Ren X, Xie G F, et al. Enhanced high-temperature thermoelectric performance by strain engineering in BiOCl. Phys Rev Appl, 2022, 18, 014053 doi: 10.1103/PhysRevApplied.18.014053
[40]
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    Received: 28 July 2022 Revised: 17 September 2022 Online: Uncorrected proof: 28 October 2022Published: 10 March 2023

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      Article Navigation >  Journal of Semiconductors  > 2023  >  44(3): 032001
      Mahmood Radhi Jobayr, Ebtisam M-T. Salman. Bilayer MSe2 (M = Zr, Hf, Mo, W) performance as a hopeful thermoelectric materials[J]. Journal of Semiconductors, 2023, 44(3): 032001. doi: 10.1088/1674-4926/44/3/032001 M R Jobayr, E M T Salman. Bilayer MSe2 (M = Zr, Hf, Mo, W) performance as a hopeful thermoelectric materials[J]. J. Semicond, 2023, 44(3): 032001. doi: 10.1088/1674-4926/44/3/032001Export: BibTex EndNote
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      Mahmood Radhi Jobayr, Ebtisam M-T. Salman. Bilayer MSe2 (M = Zr, Hf, Mo, W) performance as a hopeful thermoelectric materials[J]. Journal of Semiconductors, 2023, 44(3): 032001. doi: 10.1088/1674-4926/44/3/032001

      M R Jobayr, E M T Salman. Bilayer MSe2 (M = Zr, Hf, Mo, W) performance as a hopeful thermoelectric materials[J]. J. Semicond, 2023, 44(3): 032001. doi: 10.1088/1674-4926/44/3/032001
      Export: BibTex EndNote
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      Bilayer MSe2 (M = Zr, Hf, Mo, W) performance as a hopeful thermoelectric materials

      doi: 10.1088/1674-4926/44/3/032001
      • 1.

        Department of Radiology Technology, College of Health and Medical Technology, Middle Technical University (MTU), Baghdad, Iraq

      • 2.

        Department of Physics, College of Education for Pure Science (Ibn-AL-Haitham), University of Baghdad, Baghdad, Iraq

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      • Author Bio:

        Mahmood Radhi Jobayr is an Assistant Professor of Physics at the Middle Technical University in Baghdad. His research focuses on the physics of materials, semiconductors, and narrow-gap metals. He is interested in theoretical solid state physics, focusing on calculations of electronic structure, superconducting andthermoelectric properties

        Ebtisam M-T. Salman is an Assistant Professor of Physics at the University of Baghdad. She is currently a researcher and lecturer in the physics department. Her research focuses on the physics of semiconductors and lasers, particularly on semiconductor laser, optical, thermal, electronic, and thermoelectric transport properties

      • Corresponding author: dr.mahmood-radhi@mtu.edu.iq
      • Received Date: 2022-07-28
      • Revised Date: 2022-09-17
        • Available Online: 2022-10-28

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