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A Highly Emissive Cu2N2 Diamond Core Complex Supported by a [PNP]- Ligand
Abstract
A Cu2N2 diamond core structure, {(PNP)CuI}2 (2), supported by a [PNP]- ligand (1) ([PNP]- = bis(2-(diisobutylphosphino)phenyl)amide) has been prepared. 2 is highly emissive at ambient temperature in both the solid and solution states and is characterized by a relatively long-lived excited state (tau > 10 mus) and an unusually high quantum yield (phi > 0.65). These observations are consistent with a low degree of structural reorganization between the ground state of 2 and its excited state *2, and also with a high degree of steric protection of the two copper centers of 2 afforded by the bulky [PNP]- ligand. An estimate for the excited-state reduction potential of *2 (ca. -3.2 V vs Fc+/Fc), and the availability of two well-separated and reversible ground-state redox processes, suggests that bimetallic copper systems of these types may be interesting candidates to consider for photochemically driving multielectron redox transformations.
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Drummond, T. G., Hill, M. G., & Barton, J. K. (2003) · Nature Biotechnology · doi:10.1038/nbt873 · Cited by 2,214
Metadata
- Authors
- Harkins, S. B., & Peters, J. C.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-01-27
- Volume
- 127
- Issue
- 7
- Pages
- 2030-2031
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1983778754
- Cited by
- 223
- References
- 1
- FWCI
- 8.34
- Type
- journal article
- Language
- en
- Open access
- closed
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