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Structural Control of the Excited-State Dynamics of Bis(dipyrrinato)zinc Complexes: Self-Assembling Chromophores for Light-Harvesting Architectures
Abstract
The replacement of the phenyl rings at the 5,5'-positions of a bis(dipyrrinato)zinc complex with mesityl groups transforms the molecule from a very weak emitter that deactivates rapidly after photoexcitation (Phif = 0.006; tau approximately 90 ps) to a highly fluorescent chromophore with a long-lived singlet excited state (Phif = 0.36; tau approximately 3 ns). The results demonstrate that steric constraints on aryl-ring internal rotation dramatically alter the excited-state properties of 5,5'-substituted bis(dipyrrinato)metal complexes. The insights establish the foundation for tuning the photophysical properties of these chromophores for use in diverse photochemical applications.
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Cited by
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Loudet, A., & Burgess, K. (2007) · Chemical Reviews · doi:10.1021/cr078381n · Cited by 5,238
Li, Z., Dong, Y., Mi, B., Tang, Y., Häussler, M., Tong, H., Dong, Y., Lam, J. W. Y., Ren, Y., Sung, H. H. Y., et al. (2005) · The Journal of Physical Chemistry B · doi:10.1021/jp0503462 · Cited by 360
Metadata
- Authors
- Sazanovich, I. V., Kirmaier, C., Hindin, E., Yu, L., Bocian, D. F., Lindsey, J. S., & Holten, D.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-02-14
- Volume
- 126
- Issue
- 9
- Pages
- 2664-2665
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1997540477
- Cited by
- 225
- References
- 0
- FWCI
- 7.50
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Structural Control of the Excited-State Dynamics of Bis(dipyrrinato)zinc Complexes: Self-Assembling Chromophores for Light-Harvesting Architectures. https://app.cochat.ai/papers/10.1021/ja038763k
- The paper
- Sazanovich, I. V., Kirmaier, C., Hindin, E., Yu, L., Bocian, D. F., Lindsey, J. S., & Holten, D. (2004). Structural Control of the Excited-State Dynamics of Bis(dipyrrinato)zinc Complexes: Self-Assembling Chromophores for Light-Harvesting Architectures. Journal of the American Chemical Society. https://doi.org/10.1021/ja038763k
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