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1. (WO2018146269) THERMOELECTRIC ELEMENT, THERMOELECTRIC GENERATOR, PELTIER ELEMENT, AND METHOD FOR PRODUCING A THERMOELECTRIC ELEMENT

Pub. No.:    WO/2018/146269    International Application No.:    PCT/EP2018/053322
Publication Date: Fri Aug 17 01:59:59 CEST 2018 International Filing Date: Sat Feb 10 00:59:59 CET 2018
IPC: H01L 35/22
H01L 35/26
Applicants: UNIVERSITÄT DUISBURG-ESSEN
Inventors: PENTCHEVA, Rossitza
GEISLER, Benjamin
Title: THERMOELECTRIC ELEMENT, THERMOELECTRIC GENERATOR, PELTIER ELEMENT, AND METHOD FOR PRODUCING A THERMOELECTRIC ELEMENT
Abstract:
The invention relates to a thermoelectric element (10), comprising an n-type superlattice structure (3-1), which comprises alternating layers of a first material (M1) and of a second material (M2) different from the first material, wherein polar interfaces (I-n) having electron excess are formed between the alternating layers, and a p-type superlattice structure (3-2), which comprises alternating layers of the first material (M1) and of the second material (M2) different from the first material, wherein polar interfaces (I-p) having hole excess are formed between the alternating layers. The n-type superlattice structure (3-1) and the p-type superlattice structure (3-2) have a connection (4).