CPC H10N 10/17 (2023.02) [B22F 9/002 (2013.01); H10N 10/01 (2023.02); H10N 10/81 (2023.02); H10N 10/851 (2023.02)] | 8 Claims |
1. A thermoelectric conversion element comprising:
a thermoelectric conversion material portion composed of a material having a band gap;
a first electrode disposed in contact with the thermoelectric conversion material portion;
a second electrode disposed in contact with the thermoelectric conversion material portion and disposed to be separated from the first electrode; and
a sealing portion that seals the thermoelectric conversion material portion, wherein
a partial pressure of oxygen in a region surrounding the thermoelectric conversion material portion is maintained by the sealing portion so as to be lower than a partial pressure of oxygen in an external air,
the thermoelectric conversion material portion is composed of a semiconductor material containing an amorphous material,
the thermoelectric conversion material portion includes n type thermoelectric conversion material portion in which n type carriers are moved,
the n type thermoelectric conversion material portion includes Si, Ge, Fe, and P,
the n type thermoelectric conversion material portion has a resistivity of less than or equal to 10 mΩcm, the resistivity being assessed at room temperature and at a pressure of more than or equal to 1+10−7 Pa and less than or equal to 1+10−2 Pa, and
the n type thermoelectric conversion material portion has a resistivity of more than or equal to 100 mΩcm and less than or equal to 250 mΩcm, the resistivity being assessed at room temperature and in an external air.
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