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Original Report

n-Type thermoelectric metal chalcogenide (Ag,Pb,Bi)(S,Se,Te) designed by multi-site-type high-entropy alloying

, , ORCID Icon, , &
Pages 366-372 | Received 11 Feb 2021, Published online: 21 May 2021

Figures & data

Figure 1. Synchrotron X-ray diffraction patterns of Ag0.25Pb0.50Bi0.25S0.40Se0.50Te0.10. Schematic images of crystal structure for PbSe and Multi-site-type high-entropy alloyed (MST-HEA) Ag0.25Pb0.50Bi0.25S0.40Se0.50Te0.10 with estimated ΔSmix.

Figure 1. Synchrotron X-ray diffraction patterns of Ag0.25Pb0.50Bi0.25S0.40Se0.50Te0.10. Schematic images of crystal structure for PbSe and Multi-site-type high-entropy alloyed (MST-HEA) Ag0.25Pb0.50Bi0.25S0.40Se0.50Te0.10 with estimated ΔSmix.

Figure 2. (a) Temperature dependence of the electrical resistivity and (b) Seebeck coefficient of Ag0.25Pb0.50Bi0.25S0.40Se0.50Te0.10 and Ag1/3Pb1/3Bi1/3Se as a reference.

Figure 2. (a) Temperature dependence of the electrical resistivity and (b) Seebeck coefficient of Ag0.25Pb0.50Bi0.25S0.40Se0.50Te0.10 and Ag1/3Pb1/3Bi1/3Se as a reference.

Figure 3. (a) Temperature dependences of thermal conductivity (κTotal) and (b) lattice thermal conductivity (κL) for Ag0.25Pb0.50Bi0.25S0.40Se0.50Te0.10 and Ag1/3Pb1/3Bi1/3Se as a reference.

Figure 3. (a) Temperature dependences of thermal conductivity (κTotal) and (b) lattice thermal conductivity (κL) for Ag0.25Pb0.50Bi0.25S0.40Se0.50Te0.10 and Ag1/3Pb1/3Bi1/3Se as a reference.

Figure 4. (a) Temperature dependences of power factor (PF) and (b) figure of merit (ZT) for Ag0.25Pb0.50Bi0.25S0.40Se0.50Te0.10 and Ag1/3Pb1/3Bi1/3Se as a reference.

Figure 4. (a) Temperature dependences of power factor (PF) and (b) figure of merit (ZT) for Ag0.25Pb0.50Bi0.25S0.40Se0.50Te0.10 and Ag1/3Pb1/3Bi1/3Se as a reference.
Supplemental material

Supplemental Material

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