4.7 Article

Control of supramolecular organizations by coordination bonding in tetrapyridylporphyrin thin films

Journal

CHEMICAL COMMUNICATIONS
Volume 58, Issue 13, Pages 2116-2119

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc06169k

Keywords

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Funding

  1. Japan Society for the Promotion of Science (JSPS) [15H02185, 21K18979, 17K14502, 19K15602, 20J10803]
  2. Grants-in-Aid for Scientific Research [21K18979, 19K15602, 20J10803] Funding Source: KAKEN

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Coordination bonding is utilized for the first time to control molecular orientation in thin films, demonstrated using tetrapyridylporphyrin. The balance of coordination bonding and hydrogen bonding is controlled by changing the central metal ion of the porphyrin, resulting in the first realization of edge-on and face-on orientations. The mechanism of film structure formation is comprehensively explained based on the electron configuration of the central metal ion.
Coordination bonding has been employed for the first time to control molecular orientation in thin films and is demonstrated by using tetrapyridylporphyrin. Changing the central metal ion of porphyrin controls the balance of the coordination bonding and hydrogen bonding, and edge-on orientation has been realized for the first time as well as face-on orientation. The mechanism of the film structure formation is comprehensively explained based on the electron configuration of the central metal ion.

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