A Theoretical Basis for the Enhancement of Seebeck Coefficients in Supramolecular Thermocells

Seebeck coefficients (Se) of supramolecular thermocells harnessing four kinds of cyclodextrins as host molecules were investigated. Theoretical analysis revealed that association enthalpy between the hosts and triiodide has a major influence on the Seebeck coefficients of the thermocells. Thermodyna...

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Bibliographic Details
Published in:Bulletin of the Chemical Society of Japan 2019, Vol.92 (7), p.1142-1147
Main Authors: Liang, Yimin, Zhou, Hongyao, Yamada, Teppei, Kimizuka, Nobuo
Format: Article
Language:English
Subjects:
Accuracy
Cyclodextrins
Enthalpy
Heat measurement
Parameters
Seebeck effect
Titration calorimetry
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Summary:Seebeck coefficients (Se) of supramolecular thermocells harnessing four kinds of cyclodextrins as host molecules were investigated. Theoretical analysis revealed that association enthalpy between the hosts and triiodide has a major influence on the Seebeck coefficients of the thermocells. Thermodynamic parameters of host–guest associations were evaluated by isothermal titration calorimetry, which is in good agreement with the theoretically estimated values from thermocell measurements. This result provides a guideline to estimate Seebeck coefficient of supramolecular thermocells and to determine the thermodynamic parameters.
ISSN:0009-2673
1348-0634
DOI:10.1246/bcsj.20190062