Thermoelectric textile devices with thin films of nanocellulose and copper iodide

Owing to the rapid development of wearable electronics and smart textiles, demands for flexible and wearable thermoelectric (TE) devices, which can generate electricity in a ubiquitous, unintermittent and noiseless way for on-body applications are growing rapidly. Due to the inherent flexibility and...

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Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2021-09, Vol.32 (18), p.23246-23265
Main Authors: Klochko, N. P., Barbash, V. A., Petrushenko, S. I., Kopach, V. R., Klepikova, K. S., Zhadan, D. O., Yashchenko, O. V., Dukarov, S. V., Sukhov, V. M., Khrypunova, A. L.
Format: Article
Language:English
Subjects:
Biocompatibility
Biodegradability
Characterization and Evaluation of Materials
Chemistry and Materials Science
Chromium
Contact resistance
Copper
Cotton
Electric contacts
Low temperature
Materials Science
Modules
Optical and Electronic Materials
Smart materials
Textiles
Thermoelectric generators
Thermoelectricity
Thickness
Thin films
Vacuum deposition
Wear resistance
Wearable technology
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Summary:Owing to the rapid development of wearable electronics and smart textiles, demands for flexible and wearable thermoelectric (TE) devices, which can generate electricity in a ubiquitous, unintermittent and noiseless way for on-body applications are growing rapidly. Due to the inherent flexibility and wearability features, textile-based thermoelectric generators (TEGs) possess significant potential for biomedical and consumer health and safety applications. In this study, using commercial cotton fabric, we created efficient thermoelectric (TE) textile that, unlike analogs, is based on thin-film composite of biocompatible semiconductor copper iodide (CuI) and biodegradable polymer nanocellulose (NC p ) obtained by processing a widespread plant common reed. The CuI films with average thickness 10 µm were deposited via low-temperature aqueous cheap, facile, and scalable fabrication technique Successive Ionic Layer Adsorption and Reaction (SILAR). The NC p sublayer made it possible to fabricate thin-film ohmic contacts through vacuum deposition of chromium on the nanostructured CuI film in the TE textile. The topping of CuI film with NC p layer improved durability and wear resistance of the wearable thermoelectric module fabricated with this TE textile. The developed TE module has shown output power density 44 µW/cm 2 at temperature gradient 50 K that is among the best currently known results for solid miniature flexible and fabric-based TEGs.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-021-06810-9