A1 Journal article (refereed)
Cellulose-inorganic hybrids of strongly reduced thermal conductivity (2022)


Spiliopoulos, P., Gestranius, M., Zhang, C., Ghiyasi, R., Tomko, J., Arstila, K., Putkonen, M., Hopkins, P. E., Karppinen, M., Tammelin, T., & Kontturi, E. (2022). Cellulose-inorganic hybrids of strongly reduced thermal conductivity. Cellulose, 29(15), 8151-8163. https://doi.org/10.1007/s10570-022-04768-3


JYU authors or editors


Publication details

All authors or editorsSpiliopoulos, Panagiotis; Gestranius, Marie; Zhang, Chao; Ghiyasi, Ramin; Tomko, John; Arstila, Kai; Putkonen, Matti; Hopkins, Patrick E.; Karppinen, Maarit; Tammelin, Tekla; et al.

Journal or seriesCellulose

ISSN0969-0239

eISSN1572-882X

Publication year2022

Publication date11/08/2022

Volume29

Issue number15

Pages range8151-8163

PublisherSpringer Science and Business Media LLC

Publication countryNetherlands

Publication languageEnglish

DOIhttps://doi.org/10.1007/s10570-022-04768-3

Publication open accessOpenly available

Publication channel open accessPartially open access channel

Publication is parallel published (JYX)https://jyx.jyu.fi/handle/123456789/82772


Abstract

The employment of atomic layer deposition and spin coating techniques for preparing inorganic–organic hybrid multilayer structures of alternating ZnO-CNC layers was explored in this study. Helium ion microscopy and X-ray reflectivity showed the superlattice formation for the nanolaminate structures and atomic force microscopy established the efficient control of the CNCs surface coverage on the Al-doped ΖnO by manipulating the concentration of the spin coating solution. Thickness characterization of the hybrid structures was performed via both ellipsometry and X-ray reflectivity and the thermal conductivity was examined by time domain thermoreflectance technique. It appears that even the incorporation of a limited amount of CNCs between the ZnO laminates strongly suppresses the thermal conductivity. Even small, submonolayer amounts of CNCs worked as a more efficient insulating material than hydroquinone or cellulose nanofibers which have been employed in previous studies.


Keywordsthin filmsatomic layer depositionnanocellulosezinc oxideheat conductionheat insulation

Free keywordscellulose nanocrystals; zinc oxide; hybrids; thermal conductivity; aluminum doping


Contributing organizations


Ministry reportingYes

Reporting Year2022

JUFO rating2


Last updated on 2024-26-03 at 20:56