n-Type Pb-free AgBiSe2 Based Thermoelectric Materials with Stable Cubic Phase Structure

Shuling WANG; Meng JIANG; Lianjun WANG; Wan JIANG

doi:10.15541/jim20220751

Journals >Journal of Inorganic Materials >Volume 38 >Issue 7 >Page 807 > Article

Journal of Inorganic Materials
Vol. 38, Issue 7, 807 (2023)

n-Type Pb-free AgBiSe₂ Based Thermoelectric Materials with Stable Cubic Phase Structure

Shuling WANG¹, Meng JIANG¹, Lianjun WANG^1、*, and Wan JIANG^1、2

Author Affiliations

¹1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620

²2. China Institute of Functional Materials, Donghua University, Shanghai 201620, China

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DOI: 10.15541/jim20220751 Cite this Article

Shuling WANG, Meng JIANG, Lianjun WANG, Wan JIANG. n-Type Pb-free AgBiSe₂ Based Thermoelectric Materials with Stable Cubic Phase Structure [J]. Journal of Inorganic Materials, 2023, 38(7): 807 Copy Citation Text

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Phase composition of (AgBiSe2)1-x(SnTe)x samples

1. Phase composition of (AgBiSe₂)_1-_x(SnTe)_x samples

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Temperature dependent thermoelectric properties of (AgBiSe2)1-x(SnTe)x samples

2. Temperature dependent thermoelectric properties of (AgBiSe₂)_1-_x(SnTe)_x samples

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3. Temperature dependent XRD patterns of (AgBiSe₂)_0.75(SnTe)_0.25

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$Series HRTEM images along (a) $[\bar{1}11]$and (b) [001] zone axes for (AgBiSe2)0.75(SnTe)0.25 and (c, d) corresponding FFT images$

4. Series HRTEM images along (a) $[\bar{1}11]$and (b) [001] zone axes for (AgBiSe₂)_0.75(SnTe)_0.25and (c, d) corresponding FFT images

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5. Phase compositions of (Ag_1-_yNb_yBiSe₂)_0.75(SnTe)_0.25 samples

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6. Thermoelectric properties of (Ag_1-_yNb_yBiS e₂)_0.75(SnTe)_0.25 samples

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Sample	n/cm^-3	μ/(cm²·V^-1·s^-1)
y=0	1.12×10²⁰	2.98
y=0.01	1.33×10²⁰	2.99
y=0.02	3.36×10²⁰	2.65
y=0.03	5.92×10²⁰	1.38
y=0.04	2.14×10²⁰	2.93

Table 1. Carrier concentration n and mobility μ of sample (Ag₁_-yNb_yBiSe₂)_0.75(SnTe)_0.25

Shuling WANG, Meng JIANG, Lianjun WANG, Wan JIANG. n-Type Pb-free AgBiSe₂ Based Thermoelectric Materials with Stable Cubic Phase Structure [J]. Journal of Inorganic Materials, 2023, 38(7): 807

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