Thermoelectric conversion material, thermoelectric conversion element, article for thermoelectric power generation and power supply for sensor
a technology of thermoelectric conversion elements and thermoelectric conversion materials, which is applied in the direction of thermoelectric device junction materials, etc., can solve the problems of inorganic material that needs a complicated processing process for use contains harmful substances, and cannot be used in the thermoelectric conversion element. , to achieve the effect of excellent thermoelectric conversion performan
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example 1
[0336]2 mg of the charge-transfer complex 1, 4 mg of single-walled CNT (ASP-100F, manufactured by Hanwha Nanotech Corporation, dispersion (CNT concentration: 60% by mass), an average length of CNT: about 5 to 20 μm, an average diameter: about 1.0 to 1.2 nm), and 4 mg of polymer compound 1 were added in 4.0 ml of ortho-dichlorobenzene, and the mixture was dispersed in an ultrasonic bath for 70 minutes. This dispersion liquid was applied on the surface of the electrode 12 of the glass substrate 11 (thickness: 0.8 mm) having gold as the first electrode 13 (thickness: 20 nm, width: 5 mm) on one side of the surface thereof by a screen printing method, and was heated at 80° C. for 45 minutes to remove the solvent. Thereafter, the drying was carried out at room temperature in a vacuum for 10 hours, thereby forming the thermoelectric conversion layer 14 having a film thickness of 2.2 μm and a size of 8 mm×8 mm. Then, the glass substrate 16 having gold deposited thereon as the second electro...
example 2
[0349]Thermoelectric conversion element 201 of the present invention was produced in the same manner as in thermoelectric conversion element 101, except that the types of the polymer compound and the nano conductive material were changed as shown in Table 3. The thermopower (the relative value to the calculated value of thermoelectric conversion element c101) and the temporal stability were evaluated in the same manner as in Example 1.
[0350]Subsequently, thermoelectric conversion elements 202 to 209 and comparative thermoelectric conversion element c201 were produced in the same manner as in thermoelectric conversion element 201, except that the types of the charge-transfer complex and the nano conductive material were changed as shown in Table 3. The evaluation was performed in the same manner as in the thermoelectric conversion element 201.
[0351]The results thereof are shown in Table 3.
TABLE 3ThermoelectricCharge-transferPolymerNano conductiveTemporalThermopowerconversion elementc...
example 3
[0353]2 mg of charge-transfer complex 1, 2 mg of CNT (ASP-100F, manufactured by Hanwha Nanotech Corporation), 2 mg of dopant 1, and 2.5 mg of polystyrene (Aldrich 430102) as a polymer compound, and 2.5 mg of polymer compound 1 were added in 5 ml of ortho-dichlorobenzene, and the mixture was dispersed in an ultrasonic bath for 70 minutes. After the thermoelectric conversion layer was formed using this dispersion liquid in the same manner as in Example 1, the thermoelectric conversion layer was subjected to ultraviolet irradiation (amount of light: 1.06 J / cm2) using an ultraviolet irradiator (ECS-401GX manufactured by EYE GRAPHICS Co., Ltd.) and doping was carried out. Thereafter, the second electrode was superimposed in the same manner as in Example 1, thereby producing thermoelectric conversion element 301 of the present invention.
[0354]Thermoelectric conversion elements 302 to 310 of the present invention and comparative thermoelectric conversion element c301 were produced in the s...
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