Thermoelectric conversion element and method for manufacturing same

This thermoelectric conversion element is provided with: a p-type thermoelectric conversion layer containing a p-type material containing carbon nanotubes and a conductive resin; and an n-type thermoelectric conversion layer that is in contact with the p-type thermoelectric conversion layer and contains an n-type material obtained by doping a dopant into a p-type material containing carbon nanotubes and a conductive resin, the dopant containing: an anion that is a complex ion; an alkali metal cation; and a cation scavenger. 热电转换元件，其具备：p型热电转换层，其包含含有碳纳米管及导电性树脂的p型材料；和n型热电转换层，其与上述p型热电转换层接触、且包含n型材料，其中，所述n型材料是在含有碳纳米管及导电性树脂的p型材料中掺杂掺杂剂而成的，上述掺杂剂含有：作为络离子的阴离子；碱金属阳离子；和阳离子捕捉剂。