Relationship between radiative characteristics and molecular geometry: Photophysical analysis of 2-phenylnaphthalene-appended ortho-carboranyl luminophores

Seo, Yung Ju; Kim, Mingi; Kim, Dong-Wook; Kim, N.; Shin, In-Sun; Lee, Kang Mun

doi:10.1016/j.dyepig.2023.111451

Dyes and Pigments

2023

DOI: 10.1016/j.dyepig.2023.111451

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Relationship between radiative characteristics and molecular geometry: Photophysical analysis of 2-phenylnaphthalene-appended ortho-carboranyl luminophores

Yung Ju Seo

Mingi Kim

Dong-Wook Kim

et al.

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Cited by 2 publications

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Multicolor Emission in o-Carborane Derivatives Induced by Conformation Diversity through C–C Double Bond Substitution

Li,

Peng,

Lin

et al. 2024

J. Phys. Chem. Lett.

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Rationally designed molecules with versatile conformations are ideal candidates for creating challenging single component-based multicolor emissive materials. Herein, a new strategy is presented by introducing a C–C double bond in an o-carborane derivative. Compared to a linear connection using a C–C triple bond (CbPyY), a C–C double bond connection (CbPyE) exhibited a zigzag structure and unique fluorescence behavior. Yellow, yellowish orange, and red crystals or films of CbPyE can be obtained, while only orange ones of CbPyY were achieved under the same condition. Single crystal XRD and theoretical calculation studies revealed the zigzag structure brings asymmetry to one arm of CbPyE, which causes conformation diversity and leads to the multicolor emission. Interestingly, different emissions showed different responses to acetone vapor; the yellow one showed much higher sensitivity and faster response than the other two. It is believed that the prepared materials and the proposed strategy would contribute to future advances in single-fluorophore-based multicolor emissive materials.

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Multicolor Emission in o-Carborane Derivatives Induced by Conformation Diversity through C–C Double Bond Substitution

Li,

Peng,

Lin

et al. 2024

J. Phys. Chem. Lett.

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Modulating radiative efficiency in ortho-carboranyl luminophores through electron-donating substituents: insights from intramolecular-charge-transfer-based emissions

Kim,

You,

Kim

et al. 2025

Dalton Trans.

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Relationship between radiative characteristics and molecular geometry: Photophysical analysis of 2-phenylnaphthalene-appended ortho-carboranyl luminophores

Cited by 2 publications

References 44 publications

Multicolor Emission in o-Carborane Derivatives Induced by Conformation Diversity through C–C Double Bond Substitution

Multicolor Emission in o-Carborane Derivatives Induced by Conformation Diversity through C–C Double Bond Substitution

Modulating radiative efficiency in ortho-carboranyl luminophores through electron-donating substituents: insights from intramolecular-charge-transfer-based emissions

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