Giant anisotropic thermal expansion of copper-cyanido flat layers with flexible copper nodes

Flat layers are usually considered as structurally rigid motifs in two-dimensional (2D) materials. In this work, we demonstrate that a flat honeycomb-layer composed of distorted tri-coordinate copper ions bridged with cyanidos in (tetraethylammonium)Cu 2 (CN) 3 exhibits high in-plane flexibility. Th...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2024-06, Vol.6 (51), p.6512-6515
Main Authors: Iwai, Yuudai, Nakaya, Manabu, Tsuji, Yuta, Le Ouay, Benjamin, Ohba, Masaaki, Ohtani, Ryo
Format: Article
Language:English
Subjects:
Copper
Extreme values
Flat layers
Thermal expansion
Two dimensional materials
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Summary:Flat layers are usually considered as structurally rigid motifs in two-dimensional (2D) materials. In this work, we demonstrate that a flat honeycomb-layer composed of distorted tri-coordinate copper ions bridged with cyanidos in (tetraethylammonium)Cu 2 (CN) 3 exhibits high in-plane flexibility. This resulted in an extremely large anisotropic 2D-thermal expansion. Distorted honeycomb coordination layers are extremely flexible and exhibit giant anisotropic thermal expansion.
ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/d4cc01232a