期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 124, 期 45, 页码 24731-24739出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.0c06461
关键词
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资金
- European Research Council under the European Union's Seventh Framework Programme (FP/2007-2013)/ERC Advanced Grant [339478]
- Academy of Finland [296299]
- Army Research Office [W911NF-16-1-0406]
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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