Strongly reduced thermal conductivity in hybrid ZnO/nanocellulose thin films

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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

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en

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7

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Journal of Materials Science, Volume 52, issue 10, pp. 6093-6099

Abstract

Utilizing a combination of atomic layer deposition and dip-coating techniques, we have incorporated natural nanocellulose fibers into an inorganic matrix in order to create a layered hybrid inorganic–organic thin-film structure. Such layer-engineered hybrid materials with an unorthodox combination of components are highly potential candidates for exciting new properties. Here, we show a more than an order of magnitude reduction in the cross-plane thermal conductivity for ZnO thin films achieved with the regular inclusion of the cellulose nanofiber layers. We foresee that a similar approach as presented here for ZnO could also be applied to other inorganic materials based on earth-abundant elements to influence their thermal transport properties.

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| openaire: EC/FP7/339478/EU//LAYERENG-HYBMAT

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Jin, H, Marin, G, Giri, A, Tynell, T, Gestranius, M, Wilson, B P, Kontturi, E, Tammelin, T, Hopkins, P E & Karppinen, M 2017, 'Strongly reduced thermal conductivity in hybrid ZnO/nanocellulose thin films', Journal of Materials Science, vol. 52, no. 10, pp. 6093-6099. https://doi.org/10.1007/s10853-017-0848-5