Electrically conductive composite material and thermoelectric device using electrically conductive polymer material
A technology of conductive composite materials and thermoelectric devices, which is applied in the direction of conductive materials, conductive materials, thermoelectric device node lead-out materials, etc., and can solve problems such as inability to maintain temperature differences
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[0069] Representative examples will be described in detail below, but it will be apparent to those skilled in the art that changes and modifications to the following embodiments fall within the scope of the invention.
[0070] All chemicals were obtained from Wako Pure Chemical Industries, Ltd. (Osaka, Japan) unless otherwise indicated.
example 1
[0072] (1) Synthesis of gold nanoparticles
[0073] Gold nanoparticles using p-aminothiophenol (p-ATP) as a protecting agent were synthesized by the following method. A 1.0 mM ethanol / water (1:1 by volume) solution of p-ATP was prepared. Put the solution in a nitrogen atmosphere, and add tetrachloroauric (III) acid tetrahydrate to the solution until the concentration of tetrachloroauric (III) acid is 1.0 mM. In this solution, p-ATP and gold ions (Au 3+ ) in a molar ratio of 1:1. The solution was stirred in the dark (under a nitrogen atmosphere) and then the gold ions were reduced by the dropwise addition of aqueous sodium borohydride as reducing agent. This caused the solution to turn black. The solution was dried, washed with water, and dried again to obtain a black powder. X-ray diffraction measurements of the black powder showed that its diffraction peaks belonged to crystalline gold. From the shape of the peak, the size of the crystal was determined to be 16 nm. I...
example 2 and example 3
[0080] The p-ATP-coated gold nanoparticles obtained as described in Example 1 were combined with conductive PANi as described in Example 1, except that the gold content was changed to 1.1% by weight (Example 2) or 2.1% by weight ( Example 3). The conductivity and Seebeck coefficient were measured as described in Example 1, and the results are shown in Table 1.
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