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Electron Poor Materials Research Group EPM RG

Electron Poor Materials Research Group EPM RG. Synthesis, Characterizations and Properties of Thermoelectric Zn-Sb-In & “Thermoelectric” (ZnSnSb 2 ) x (InSb) 2-2x. Yang Wu. Outline. Thermoelectric Zn-Sb-In Ternaries Synthesis explorations of Zn-Sb-In system Property Characterizations

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Electron Poor Materials Research Group EPM RG

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  1. Electron Poor Materials Research Group EPMRG

  2. Synthesis, Characterizations and Properties of Thermoelectric Zn-Sb-In & “Thermoelectric” (ZnSnSb2)x(InSb)2-2x Yang Wu

  3. Outline Thermoelectric Zn-Sb-In Ternaries • Synthesis explorations of Zn-Sb-In system • Property Characterizations Solid Solution (ZnSnSb2)1-x(InSb)2x • Metal-Non Metal Transition • Thermoelectric Property

  4. E – EF (eV) Zn5InSb5? Motivation – Thermoelectric b-Zn4Sb3 37 e-for Zn6Sb5 38 e- to be electron precise

  5. Region 2:Zn9Sb6In2 P21 21 21(No. 19), Z=8 Metastable Region 2:Zn5Sb4In2 Pbcn (No. 60), Z=4 Region 1:Zn4Sb3 Synthetic Exploration of Zn-Sb-In System

  6. Structural and Phase Relations of Zn5Sb4In2-d & Zn9Sb6In2: I

  7. Structural and Phase Relations of Zn5Sb4In2-d & Zn9Sb6In2: II

  8. Thermoelectric Property Characterizations for Zn5Sb4In2-δ: I

  9. Thermoelectric Property Characterizations for Zn5Sb4In2-δ: II

  10. Sphalerite-type solid solution (ZnSnSb2)1-x(InSb)2x + 4Sn

  11. Future Work • Growth of B crystal in metal melts (Cu, Pt, Ni etc.) • Make SiB3, a reported III-IV compound • Transport property measurements of (ZnSnSb2)1-x(InSb)2x

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