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A Highly Emissive Cu_2N_2 Diamond Core Complex Supported by a [PNP]^- Ligand

Harkins, Seth B. and Peters, Jonas C. (2005) A Highly Emissive Cu_2N_2 Diamond Core Complex Supported by a [PNP]^- Ligand. Journal of the American Chemical Society, 127 (7). pp. 2030-2031. ISSN 0002-7863. doi:10.1021/ja043092r. https://resolver.caltech.edu/CaltechAUTHORS:20140729-160417130

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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 (τ > 10 μs) and an unusually high quantum yield (φ > 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.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/ja043092rDOIArticle
http://pubs.acs.org/doi/abs/10.1021/ja043092rPublisherArticle
http://pubs.acs.org/doi/suppl/10.1021/ja043092rPublisherSupporting Information
ORCID:
AuthorORCID
Peters, Jonas C.0000-0002-6610-4414
Alternate Title:A Highly Emissive Cu2N2 Diamond Core Complex Supported by a [PNP]- Ligand
Additional Information:© 2005 American Chemical Society. Received November 16, 2004. This work was supported with funds provided by the NSF (CHE-01232216)) and the MC2 program in collaboration with BP. We acknowledge Dr. Jennifer C. Lee for technical assistance with the lifetime measurements, and Larry Henling for crystallographic assistance. Dr. Jay R. Winkler provided numerous insightful discussions
Funders:
Funding AgencyGrant Number
NSFCHE-01232216
BPUNSPECIFIED
Issue or Number:7
DOI:10.1021/ja043092r
Record Number:CaltechAUTHORS:20140729-160417130
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140729-160417130
Official Citation:A Highly Emissive Cu2N2 Diamond Core Complex Supported by a [PNP]- Ligand Seth B. Harkins and and Jonas C. Peters Journal of the American Chemical Society 2005 127 (7), 2030-2031
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47571
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:30 Jul 2014 17:41
Last Modified:10 Nov 2021 17:48

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