Cu2ZnGeSe4 nanocrystals: synthesis and thermoelectric properties |
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Authors: | Ibáñez Maria Zamani Reza LaLonde Aaron Cadavid Doris Li Wenhua Shavel Alexey Arbiol Jordi Morante Joan Ramon Gorsse Stéphane Snyder G Jeffrey Cabot Andreu |
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Institution: | Departament Electronica, Universitat de Barcelona, Barcelona 08028, Spain. |
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Abstract: | A synthetic route for producing Cu(2)ZnGeSe(4) nanocrystals with narrow size distributions and controlled composition is presented. These nanocrystals were used to produce densely packed nanomaterials by hot-pressing. From the characterization of the thermoelectric properties of these nanomaterials, Cu(2)ZnGeSe(4) is demonstrated to show excellent thermoelectric properties. A very preliminary adjustment of the nanocrystal composition has already resulted in a figure of merit of up to 0.55 at 450 °C. |
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