Preparation and thermoelectric properties of β-Zn4Sb3/Zn1-δAlδO | Zendy

Limei Zhou | Zendy; Wei Li | Zendy; Jiang Jun | Zendy; Jianmin Chen | Zendy; Yong Li | Zendy; Xu Gao-Jie | Zendy

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Preparation and thermoelectric properties of β-Zn4Sb3/Zn1-δAlδO

Author(s) -

Limei Zhou,

Wei Li,

Jiang Jun,

Jianmin Chen,

Yong Li,

Xu Gao-Jie

Publication year - 2011

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.60.067201

Subject(s) - spark plasma sintering , materials science , thermoelectric effect , seebeck coefficient , thermal conductivity , electrical resistivity and conductivity , thermoelectric materials , composite number , atmospheric temperature range , composite material , analytical chemistry (journal) , sintering , thermodynamics , chemistry , physics , chromatography , quantum mechanics

Single-phased β-Zn4Sb3 and β-Zn4Sb3/ Zn1-δAlδO composites with different amounts of Zn1-δAlδO (AZO) are prepared by the combination of vacuum melting and spark plasma sintering (SPS). Thermoelectric properties of the materials are investigated in a temperature range from 300 K to 673 K. As a result, the electrical conductivity of each sample increases while the Seebeck coefficient and the thermal conductivity decrease with the increase of AZO. The maximum ZT value of the composite reaches 1.16 at 673 K when the amount of AZO is 0.2 wt%, which is higher than that for the single-phased β-Zn4Sb3 (1.03).

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