3 years ago

Synthesis, Crystal Structure, and Transport Properties of the Hexagonal Mo9 Cluster Compound Ag3RbMo9Se11

Synthesis, Crystal Structure, and Transport Properties of the Hexagonal Mo9 Cluster Compound Ag3RbMo9Se11
Bertrand Lenoir, Patrick Gougeon, Philippe Gall, Lionel Aranda, Anne Dauscher, Christophe Candolfi, Odile Merdrignac-Conanec
The crystal structure of the new cluster compound Ag3RbMo9Se11 is described in the hexagonal space group P63/m and contains bi-octahedral Mo9Se11 units that leave channels that are randomly filled by Rb+ cations, while Ag+ cations are located between the Mo9Se11 units. Measurements of the electrical resistivity, thermopower, and thermal conductivity revealed that Ag3RbMo9Se11 behaves as a p-type semiconductor with very low lattice thermal conductivity yielding a maximum ZT of 0.4 at 800 K.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01200

DOI: 10.1021/acs.inorgchem.7b01200

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