The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Rapid Excited-State Structural Reorganization Captured by Pulsed X-rays
Abstract
Visible light excitation of [Cu(I)(dmp)(2)](BArF), where dmp is 2,9-dimethyl-1,10-phenanthroline and BArF is tetrakis(3,5-bis(trifluoromethylphenyl))borate, in toluene produces a photoluminescent, metal-to-ligand charge-transfer (MLCT) excited state with a lifetime of 98 +/- 5 ns. Probing this state within 14 ns after photoexcitation with pulsed X-rays establishes that a Cu(II) center, borne in a Cu(I) geometry, binds an additional ligand to form a five-coordinate complex with increased bond lengths and a coordination geometry of distorted trigonal bipyramid. The average Cu-N bond length increases in the excited state by 0.07 A. The transiently formed five-coordinate MLCT state is photoluminescent under the condition studied, indicating that the absorptive and emissive states have distinct geometries. The data represent the first X-ray characterization of a molecular excited state in fluid solution on a nanosecond time scale.
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Citations
Cites
Application of the energy gap law to nonradiative, excited-state decay
Caspar, J. V., & Meyer, T. J. (1983) · The Journal of Physical Chemistry · doi:10.1021/j100229a010 · Cited by 1,004
Cited by
Ultrafast X-ray Absorption Spectroscopy
Bressler, C., & Chergui, M. (2004) · Chemical Reviews · doi:10.1021/cr0206667 · Cited by 493
Hsu, C.-W., Lin, C.-C., Chung, M.-W., Chi, Y., Lee, G.-H., Chou, P.-T., Chang, C.-H., & Chen, P.-Y. (2011) · Journal of the American Chemical Society · doi:10.1021/ja2026568 · Cited by 365
Siddique, Z. A., Yamamoto, Y., Ohno, T., & Nozaki, K. (2003) · Inorganic Chemistry · doi:10.1021/ic034412v · Cited by 332
Chen, L. X., Zhang, X., Lockard, J. V., Stickrath, A. B., Attenkofer, K., Jennings, G., & Liu, D.-J. (2010) · Acta Crystallographica Section A Foundations of Crystallography · doi:10.1107/s0108767309051496 · Cited by 88
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Metadata
- Authors
- Chen, L. X., Jennings, G., Liu, T., Gosztola, D. J., Hessler, J. P., Scaltrito, D. V., & Meyer, G. J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-08-15
- Volume
- 124
- Issue
- 36
- Pages
- 10861-10867
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1963806719
- Cited by
- 158
- References
- 1
- FWCI
- 5.54
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chen, L. X., Jennings, G., Liu, T., Gosztola, D. J., Hessler, J. P., Scaltrito, D. V., & Meyer, G. J. (2002). Rapid Excited-State Structural Reorganization Captured by Pulsed X-rays. Journal of the American Chemical Society. https://doi.org/10.1021/ja017214g
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