Experimental Control and Statistical Analysis of Thermal Conductivity in ZnO-Benzene Multilayer Thin Films

We have fabricated a model system of precisely layer-engineered inorganic-organic thin-film structures using atomic/molecular-layer deposition (ALD/MLD). The samples consist of nanoscale polycrystalline ZnO layers and intervening benzene layers, covering a broad range of layer sequences. The samples characterized in this study combined with previous publications provide an excellent sample set to examine thermal transport properties in inorganic-organic thin films. The cross-plane thermal conductivity is found to depend on multiple factors, with the inorganic-organic interface density being the dominating factor. Our work highlights the remarkable capability of interface engineering in suppressing the thermal conductivity of hybrid inorganic-organic materials, e.g., for thermoelectric applications.

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

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10.1021/acs.jpcc.0c06461

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Krahl, F, Giri, A, Hoque, M S B, Sederholm, L, Hopkins, P E & Karppinen, M 2020, ' Experimental Control and Statistical Analysis of Thermal Conductivity in ZnO-Benzene Multilayer Thin Films ', Journal of Physical Chemistry C, vol. 124, no. 45, pp. 24731-24739 . https://doi.org/10.1021/acs.jpcc.0c06461

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https://urn.fi/URN:NBN:fi:aalto-2020113020529

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[article-cris] Kemian tekniikan korkeakoulu / CHEM

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Experimental Control and Statistical Analysis of Thermal Conductivity in ZnO-Benzene Multilayer Thin Films

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