Abstract
Silicon nanoparticles (SiNPs) functionalized with conjugated molecules are a promising potential pathway for generating an alternative category of thermoelectric materials. While the thermoelectric performance of materials based on phenylacetylene-capped SiNPs has been proven, their low conductivity is still a problem for their general application. A muon study of phenylacetylene-capped SiNPs was recently carried out using the HIFI spectrometer at the Rutherford Appleton Laboratory, measuring the avoided level-crossing spectra as a function of temperature. The results show a reduction in the measured line width of the resonance above room temperature, suggesting an activated behaviour for this system. This study shows that the muon study could be a powerful method for investigating microscopic conductivity of hybrid thermoelectric materials.
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02 April 2020
Reviewing the results presented in Fig.��4(a) and (b) of this study together with the text discussing this figure.
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Acknowledgements
Experiments at the ISIS Pulsed Neutron and Muon Source were supported by a beam-time allocation from the Science and Technology Facilities Council.
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Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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Bian, T., Peck, J.N., Cottrell, S.P. et al. Hybrid Silicon Nanostructures with Conductive Ligands and Their Microscopic Conductivity. J. Electron. Mater. 46, 3221–3226 (2017). https://doi.org/10.1007/s11664-016-4954-y
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DOI: https://doi.org/10.1007/s11664-016-4954-y