Nanocrystals of the Quaternary Thermoelectric Materials: AgPb m SbTe m+2  (m = 1–18): Phase‐Segregated or Solid Solutions? | Zendy

Arachchige Indika U. | Zendy; Wu Jinsong | Zendy; Dravid Vinayak P. | Zendy; Kanatzidis Mercouri G. | Zendy

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Nanocrystals of the Quaternary Thermoelectric Materials: AgPb m SbTe m+2 (m = 1–18): Phase‐Segregated or Solid Solutions?

Author(s) -

Arachchige Indika U.,

Wu Jinsong,

Dravid Vinayak P.,

Kanatzidis Mercouri G.

Publication year - 2008

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200801116

Subject(s) - materials science , nanocrystal , annealing (glass) , colloid , chemical engineering , thermoelectric effect , phase (matter) , nanoparticle , nanotechnology , solid solution , quaternary , thermoelectric materials , thermodynamics , composite material , organic chemistry , metallurgy , thermal conductivity , paleontology , chemistry , physics , engineering , biology

Facile synthesis of a series of thermoelectrically relevant AgPb m SbTe m+2 ( m = 1–18) nanoparticles (see figure) is carried out by using a colloidal synthetic route. As‐synthesized nanocrystals are spherical in geometry and adopt a cubic NaCl‐type structure. These quaternary nanocrystals behave as solid solutions at room temperature and tend to phase separate into AgSbTe 2 and PbTe upon annealing at moderately high temperature.

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