Thermoelectric conversion element and article having thermoelectric conversion element
View Patent ↗A thermoelectric conversion element includes: a thermoelectric conversion layer containing a thiophene polymer, in which a peak intensity of a diffraction angle (2θ) of 7.9° is 5 times or more a peak intensity of a diffraction angle (2θ) of 25.8° in an X-ray diffraction spectrum of the thermoelectric conversion layer.
1. A thermoelectric conversion element comprising:
a thermoelectric conversion layer containing a thiophene polymer,
wherein:
a peak intensity of a diffraction angle (2θ) of 7.9° is 5 times or more a peak intensity of a diffraction angle (2θ) of 25.8° in an X-ray diffraction spectrum of the thermoelectric conversion layer, and
the thermoelectric conversion layer has a total content of a Fe atom, a Cu atom, a Mn atom, a Cr atom, and a Ce atom of 1 ppm or more and 1500 ppm or less with respect to the thiophene polymer.
2. The thermoelectric conversion element according to claim 1 ,
wherein the peak intensity of the diffraction angle (2θ) of 7.9° is 7 times or more the peak intensity of the diffraction angle (2θ) of 25.8°.
3. A thermoelectric conversion element comprising:
a thermoelectric conversion layer containing a thiophene polymer,
wherein:
a specular reflectance of the thermoelectric conversion layer is 10% or more and 35% or less, and
the thermoelectric conversion layer has a total content of a Fe atom, a Cu atom, a Mn atom, a Cr atom, and a Ce atom of 1 ppm or more and 1500 ppm or less with respect to the thiophene polymer.
4. The thermoelectric conversion element according to claim 3 ,
wherein the specular reflectance of the thermoelectric conversion layer is 15% or more and 30% or less.
5. The thermoelectric conversion element according to claim 1 ,
wherein the total content of the Fe atom, the Cu atom, the Mn atom, the Cr atom, and the Ce atom is 1 ppm or more and 500 ppm or less with respect to the thiophene polymer.
6. The thermoelectric conversion element according to claim 2 ,
wherein the total content of the Fe atom, the Cu atom, the Mn atom, the Cr atom, and the Ce atom is 1 ppm or more and 500 ppm or less with respect to the thiophene polymer.
7. The thermoelectric conversion element according to claim 3 ,
wherein the total content of the Fe atom, the Cu atom, the Mn atom, the Cr atom, and the Ce atom is 1 ppm or more and 500 ppm or less with respect to the thiophene polymer.
8. The thermoelectric conversion element according to claim 4 ,
wherein the total content of the Fe atom, the Cu atom, the Mn atom, the Cr atom, and the Ce atom is 1 ppm or more and 500 ppm or less with respect to the thiophene polymer.
9. The thermoelectric conversion element according to claim 5 ,
wherein the total content of the Fe atom, the Cu atom, the Mn atom, the Cr atom, and the Ce atom is 1 ppm or more and 100 ppm or less with respect to the thiophene polymer.
10. The thermoelectric conversion element according to claim 6 ,
wherein the total content of the Fe atom, the Cu atom, the Mn atom, the Cr atom, and the Ce atom is 1 ppm or more and 100 ppm or less with respect to the thiophene polymer.
11. The thermoelectric conversion element according to claim 7 ,
wherein the total content of the Fe atom, the Cu atom, the Mn atom, the Cr atom, and the Ce atom is 1 ppm or more and 100 ppm or less with respect to the thiophene polymer.
12. The thermoelectric conversion element according to claim 8 ,
wherein the total content of the Fe atom, the Cu atom, the Mn atom, the Cr atom, and the Ce atom is 1 ppm or more and 100 ppm or less with respect to the thiophene polymer.
13. The thermoelectric conversion element according to claim 1 ,
wherein the thiophene polymer is a polymer of at least one selected from the group consisting of an alkoxythiophene, an aminothiophene, a hydroxythiophene, and an alkylthiophene.
14. The thermoelectric conversion element according to claim 13 ,
wherein the thiophene polymer is a polymer of at least one selected from the group consisting of the alkoxythiophene and the alkylthiophene.
15. The thermoelectric conversion element according to claim 13 ,
wherein an alkoxy group of the alkoxythiophene has 1 or more and 6 or less carbon atoms, and an alkyl group of the alkylthiophene has 2 or more and 12 or less carbon atoms.
16. An article comprising:
a thermoelectric conversion element that comprises a thermoelectric conversion layer containing a thiophene polymer,
wherein:
a peak intensity of a diffraction angle (2θ) of 7.9° is 5 times or more a peak intensity of a diffraction angle (2θ) of 25.8° in an X-ray diffraction spectrum of the thermoelectric conversion layer, and
the thermoelectric conversion layer has a total content of a Fe atom, a Cu atom, a Mn atom, a Cr atom, and a Ce atom of 1 ppm or more and 1500 ppm or less with respect to the thiophene polymer.
17. The thermoelectric conversion element according to claim 1 ,
wherein the total content of the Fe atom, the Cu atom, the Mn atom, the Cr atom, and the Ce atom is 5 ppm or more and 1500 ppm or less with respect to the thiophene polymer.
18. The thermoelectric conversion element according to claim 3 ,
wherein the total content of the Fe atom, the Cu atom, the Mn atom, the Cr atom, and the Ce atom is 5 ppm or more and 1500 ppm or less with respect to the thiophene polymer.
19. The article according to claim 16 ,
wherein the total content of the Fe atom, the Cu atom, the Mn atom, the Cr atom, and the Ce atom is 5 ppm or more and 1500 ppm or less with respect to the thiophene polymer.