A method to enhance the thermoelectric performance of snte by zn doping
A technology of thermoelectric performance and discharge plasma, which is applied in the manufacture/processing of thermoelectric devices, and lead wire materials of thermoelectric device junctions. High, less impurity, high crystallinity effect
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[0031] The specific implementation of the present invention will be described in conjunction with the examples.
[0032] (1) Weigh Sn powder, Zn powder and Te powder according to the molar ratio of 1-x:x:1 respectively, wherein the values of x are respectively taken as 0.01 and 0.02; then grind in an agate mortar for 30min to make the above three powders well mixed.
[0033] Or set up a comparison example, x takes 0.
[0034] (2) Transfer the uniformly mixed powder into a steel mold with a diameter of Φ=10mm, and continue for 5min with a pressure of 5MPa;
[0035] (3) Move the pressed cylindrical flake sample into a cleaned Φ=20mm quartz tube; use a hydrogen-oxygen generator to seal the tube; first use a mechanical pump to pre-vacuum, and then use a molecular pump to evacuate to 10 -3 Pa, sealed tube;
[0036] (4) placing the quartz tube with the sample in a box furnace for sintering;
[0037] (5) The temperature rise for the first sintering: after 330 minutes, the tempe...
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