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    A 0D Lead-Free Hybrid Crystal with Ultralow Thermal Conductivity

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    Type
    Article
    Authors
    Haque, Mohammed
    Gandi, Appala
    Mohanraman, Rajeshkumar
    Weng, Yakui
    Davaasuren, Bambar cc
    Emwas, Abdul-Hamid M.
    Combe, Craig
    Baran, Derya cc
    Rothenberger, Alexander
    Schwingenschlögl, Udo cc
    Alshareef, Husam N. cc
    Dong, Shuai
    Wu, Tom
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Chemical Science Program
    Computational Physics and Materials Science (CPMS)
    Functional Nanomaterials and Devices Research Group
    Imaging and Characterization Core Lab
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    NMR
    Physical Characterization
    Physical Science and Engineering (PSE) Division
    Date
    2019-02-07
    Online Publication Date
    2019-02-07
    Print Publication Date
    2019-03
    Permanent link to this record
    http://hdl.handle.net/10754/631033
    
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    Abstract
    Organic–inorganic hybrid materials are of significant interest owing to their diverse applications ranging from photovoltaics and electronics to catalysis. Control over the organic and inorganic components offers flexibility through tuning their chemical and physical properties. Herein, it is reported that a new organic–inorganic hybrid, [Mn(C2H6OS)6]I4, with linear tetraiodide anions exhibit an ultralow thermal conductivity of 0.15 ± 0.01 W m−1 K−1 at room temperature, which is among the lowest values reported for organic–inorganic hybrid materials. Interestingly, the hybrid compound has a unique 0D structure, which extends into 3D supramolecular frameworks through nonclassical hydrogen bonding. Phonon band structure calculations reveal that low group velocities and localization of vibrational energy underlie the observed ultralow thermal conductivity, which could serve as a general principle to design novel thermal management materials.
    Citation
    Haque MA, Gandi AN, Mohanraman R, Weng Y, Davaasuren B, et al. (2019) A 0D Lead-Free Hybrid Crystal with Ultralow Thermal Conductivity. Advanced Functional Materials: 1809166. Available: http://dx.doi.org/10.1002/adfm.201809166.
    Sponsors
    The research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).
    Publisher
    Wiley
    Journal
    Advanced Functional Materials
    DOI
    10.1002/adfm.201809166
    Additional Links
    https://onlinelibrary.wiley.com/doi/full/10.1002/adfm.201809166
    ae974a485f413a2113503eed53cd6c53
    10.1002/adfm.201809166
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; Chemical Science Program; Material Science and Engineering Program; Computational Physics and Materials Science (CPMS); KAUST Solar Center (KSC)

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