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Negative Thermal Expansion in Molecular Materials


Negative thermal expansion (NTE), which means lattices contract upon heating, has been of considerable interest for its wide applications in many fields. Molecular materials have been widely investigated as catalysts, sensors, etc. which usually endure the temperature vibration. NTE become a substantial for controling the coefficients of thermal expansion. Molecular materials possess plentiful structures and can be easily decorated, making them ideal platforms for thermal expansion modification. In this feature article, we provide an overview of the recent developments of NTE in molecular materials and summarized some mechanisms leading to NTE. The NTE in molecular materials concern many factors including transverse vibration, geometric flexibility, host guest interactions, spin crossover, molecular packing rearrangement and molecular conformational changes.

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Publication details

The article was received on 09 Feb 2018, accepted on 16 Apr 2018 and first published on 17 Apr 2018

Article type: Feature Article
DOI: 10.1039/C8CC01153B
Citation: Chem. Commun., 2018, Accepted Manuscript
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    Negative Thermal Expansion in Molecular Materials

    Z. Liu, Q. Gao, J. Chen, J. Deng, K. Lin and X. Xing, Chem. Commun., 2018, Accepted Manuscript , DOI: 10.1039/C8CC01153B

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