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Fluorescence Color Modulation by Intramolecular and Intermolecular π−π Interactions in a Helical Zinc(II) Complex
Abstract
When a fluorescent compound shows unique optical properties, an elucidation of the mechanism may lead to an important development of novel sensing strategies. A helical 3,3‘-di- tert -butylsalen−zinc(II) complex, [Zn 2 L 1 2 ], has a red-shifted fluorescence as compared to that of [Zn L 2 2 ], a half-structured mononuclear complex of [Zn 2 L 1 2 ]; in addition, [Zn 2 L 1 2 ] exhibits a fluorescence color change from green to light blue under external stimulations. We investigated the origins of these phenomena by spectroscopy, fluorescence lifetime measurement, fluorescence microscopy, X-ray powder diffraction, and X-ray single-crystal analysis. From the experimental data, we concluded that intramolecular and intermolecular π−π interactions are critical elements that determine the shifts of the fluorescence to a longer wavelength.
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Cited by
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Mechanically induced luminescence changes in molecular assemblies
Sagara, Y., & Kato, T. (2009) · Nature Chemistry · doi:10.1038/nchem.411 · Cited by 1,239
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Zhang, X., Chi, Z., Zhang, Y., Liu, S., & Xu, J. (2013) · Journal of Materials Chemistry C · doi:10.1039/c3tc30316k · Cited by 632
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Metadata
- Authors
- Mizukami, S., Houjou, H., Sugaya, K., Koyama, E., Tokuhisa, H., Sasaki, T., & Kanesato, M.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-12-13
- Volume
- 17
- Issue
- 1
- Pages
- 50-56
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2047351149
- Cited by
- 257
- References
- 0
- FWCI
- 4.37
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Mizukami, S., Houjou, H., Sugaya, K., Koyama, E., Tokuhisa, H., Sasaki, T., & Kanesato, M. (2005). Fluorescence Color Modulation by Intramolecular and Intermolecular π−π Interactions in a Helical Zinc(II) Complex. Chemistry of Materials. https://doi.org/10.1021/cm049744s
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