<trans-title xml:lang="en">Thermoelectric Property of In2O3/InNbO4 Composites </trans-title>

Cheng CHENG; Jianbo LI; Zhen TIAN; Pengjiang WANG; Huijun KANG; Tongmin WANG

doi:10.15541/jim20210631

Journal of Inorganic Materials, Volume. 37, Issue 7, 724(2022)

Thermoelectric Property of In₂O₃/InNbO₄ Composites

Cheng CHENG... Jianbo LI, Zhen TIAN, Pengjiang WANG, Huijun KANG* and Tongmin WANG |Show fewer author(s)

Key Laboratory of Solidification Control and Digital Preparation Technology (Liaoning Province), School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China

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Figures & Tables(9)

1. XRD patterns for (1-x)In₂O₃/xInNbO₄ samples

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2. Matrix structure and composition of 0.998In₂O₃/ 0.002InNbO₄

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$SEM images of (a) pure In2O3 powder, fracture surface for (1-x)In2O3/xInNbO4 (x=(b) 0, (c) 0.04), surface SEM images for (1-x)In2O3/xInNbO4 (x=0.002 (d), x=0.02 (e), x=0.04 (f)); (g-h) elemental distributions of Nb at high magnification for 0.96In2O3/0.04InNbO4$

3. SEM images of (a) pure In₂O₃ powder, fracture surface for (1-x)In₂O₃/xInNbO₄(x=(b) 0, (c) 0.04), surface SEM images for (1-x)In₂O₃/xInNbO₄ (x=0.002 (d), x=0.02 (e), x=0.04 (f)); (g-h) elemental distributions of Nb at high magnification for 0.96In₂O₃/0.04InNbO₄

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4. (a) XPS total survey and high-resolution XPS spectra of (b) Nb3d, (c) In3d and (d) O1s core-level regions for 0.96In₂O₃/0.04InNbO₄ sample

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5. Temperature dependence of electrical carrier concentrations and mobilities of (1-x)In₂O₃/xInNbO₄(x=0, 0.002)

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6. Temperature dependence of (a) electrical conductivities, (b) Seebeck coefficients and (c) power factors of (1-x)In₂O₃/xInNbO₄, In_1.76(Zn_0.12Ge_0.12)O₃^[33] and In_1.88V_0.12O₃^[34]

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7. Temperature dependence of (a) total thermal conductivity, (b) electronic thermal conductivity and (c) lattice thermal conductivity of (1-x)In₂O₃/xInNbO₄, In_1.76(Zn_0.12Ge_0.12)O₃^[33] and In_1.88V_0.12O₃^[34]

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8. Temperature dependence of ZT for (1-x)In₂O₃/xInNbO₄, In_1.76(Zn_0.12Ge_0.12)O₃^[33] and In_1.88V_0.12O₃^[34]

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Table 1. Measured densities(ρ_m), theoretical densities(ρ_th), relative densities (ρ_r), carrier concentrations (n) and carrier mobilities (μ) of (1-x)In₂O₃/xInNbO₄samples at room temperature

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Table 1. Measured densities(ρ_m), theoretical densities(ρ_th), relative densities (ρ_r), carrier concentrations (n) and carrier mobilities (μ) of (1-x)In₂O₃/xInNbO₄samples at room temperature

(1-x)In₂O₃/xInNbO₄	ρ_m/(g·cm^-3)	ρ_th/(g·cm^-3)	ρ_r/%	n/(×10¹⁹, cm^-3)	μ/(cm²·V^-1·s^-1)
x=0	6.969	7.120	97.9	0.46	94.26
x=0.002	7.016	7.119	98.6	0.78	76.22
x=0.006	6.811	7.117	95.7	5.90	38.21
x=0.01	6.658	7.116	93.6	9.80	38.43
x=0.02	6.598	7.112	92.8	20.88	40.22
x=0.04	6.547	7.100	92.2	45.24	39.86

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Cheng CHENG, Jianbo LI, Zhen TIAN, Pengjiang WANG, Huijun KANG, Tongmin WANG. Thermoelectric Property of In₂O₃/InNbO₄ Composites [J]. Journal of Inorganic Materials, 2022, 37(7): 724

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Paper Information

Category: RESEARCH ARTICLE

Received: Oct. 11, 2021

Accepted: --

Published Online: Jan. 10, 2023

The Author Email: KANG Huijun (kanghuijun@dlut.edu.cn)

DOI:10.15541/jim20210631

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Measured densities(ρm), theoretical densities(ρth), relative densities (ρr), carrier concentrations (n) and carrier mobilities (μ) of (1-x)In2O3/xInNbO4 samples at room temperature

Table 1. Measured densities(ρm), theoretical densities(ρth), relative densities (ρr), carrier concentrations (n) and carrier mobilities (μ) of (1-x)In2O3/xInNbO4 samples at room temperature

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Table 1. Measured densities(ρ_m), theoretical densities(ρ_th), relative densities (ρ_r), carrier concentrations (n) and carrier mobilities (μ) of (1-x)In₂O₃/xInNbO₄samples at room temperature

Table 1. Measured densities(ρ_m), theoretical densities(ρ_th), relative densities (ρ_r), carrier concentrations (n) and carrier mobilities (μ) of (1-x)In₂O₃/xInNbO₄samples at room temperature