Record‐High Thermoelectric Performance in Al‐Doped ZnO via Anderson Localization of Band Edge States
Illia Serhiienko,
Andrei Novitskii,
Fabian Garmroudi
et al.
Abstract:Oxides are of interest for thermoelectrics due to their high thermal stability, chemical inertness, low cost, and eco‐friendly constituting elements. Here, adopting a unique synthesis route via chemical co‐precipitation at strongly alkaline conditions, one of the highest thermoelectric performances for ZnO ceramics ( 21.5 µW cm−1 K−2 and 0.5 at 1100 K in ) is achieved. These results are linked to a distinct modification of the electronic structure: charge carriers become trapped at the edge of the conduction … Show more
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