2009
DOI: 10.1021/cm901591d
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New bulk Materials for Thermoelectric Power Generation: Clathrates and Complex Antimonides

Abstract: Thermoelectric power generation is foreseen to play a much larger role in the near future, considering the need for alternative energies because of declining natural resources as well as the increasing efficiency of thermoelectric materials. The latter is a consequence of the discoveries of new materials as well as of improvements of established materials by, for example, nanostructuring or band structure engineering. Within this review, two major classes of high-temperature thermoelectrics are presented: clat… Show more

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Cited by 286 publications
(167 citation statements)
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“…[2][3][4][5][6][7][8] In general, ternary antimonides that are understood using Zintl chemistry have received significant attention within the thermoelectric community due to their tunability and structural complexity. [9][10][11][12][13][14][15][16][17][18] However, the analogous bismuthides have received much less attention. This work is motivated by electrical resistivity and Hall effect measurements on AMg 2 Bi 2 single crystals that revealed properties similar to those in AZn 2 Sb 2 .…”
Section: Introductionmentioning
confidence: 99%
“…[2][3][4][5][6][7][8] In general, ternary antimonides that are understood using Zintl chemistry have received significant attention within the thermoelectric community due to their tunability and structural complexity. [9][10][11][12][13][14][15][16][17][18] However, the analogous bismuthides have received much less attention. This work is motivated by electrical resistivity and Hall effect measurements on AMg 2 Bi 2 single crystals that revealed properties similar to those in AZn 2 Sb 2 .…”
Section: Introductionmentioning
confidence: 99%
“…It is very difficult to independently tune these parameters since they are interrelated. Significant efforts have been put into decoupling them using various techniques [5,6]. The introduction of nanostructures into bulk thermoelectric materials gives the opportunity to independently tune these parameters [7,8] and significantly reduces the thermal conductivity by scattering a broad spectrum of phonons.…”
Section: Introductionmentioning
confidence: 99%
“…One group of thermoelectric materials that has attracted much interest in this context is the semiconducting clathrates, which are hostguest structures, where the guest atoms are positioned in somewhat oversized cages or cavities formed by the host lattice. 6,7 The research spent on this group of materials has been quite extensive and considerable progress has been made, where an n-doped type-I clathrate Ba 8 Ga 16 Ge 30 with a ZT of 1.35 at 900 K is one of the most promising results. 8 While n-type clathrates have been developed successfully there is a lack of p-type clathrates.…”
Section: Introductionmentioning
confidence: 99%