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J Am Chem Soc. 2017 Nov 08;139(44):15660-15663. doi: 10.1021/jacs.7b10458. Epub 2017 Oct 31.

Spin-Selective Photoreduction of a Stable Radical within a Covalent Donor-Acceptor-Radical Triad.

Journal of the American Chemical Society

Brandon K Rugg, Brian T Phelan, Noah E Horwitz, Ryan M Young, Matthew D Krzyaniak, Mark A Ratner, Michael R Wasielewski

Affiliations

  1. Department of Chemistry and Institute for Sustainability and Energy at Northwestern, Northwestern University , Evanston, Illinois 60208-3113, United States.

PMID: 29072446 DOI: 10.1021/jacs.7b10458

Abstract

Controlling spin-spin interactions in multispin molecular assemblies is important for developing new approaches to quantum information processing. In this work, a covalent electron donor-acceptor-radical triad is used to probe spin-selective reduction of the stable radical to its diamagnetic anion. The molecule consists of a perylene electron donor chromophore (D) bound to a pyromellitimide acceptor (A), which is, in turn, linked to a stable α,γ-bisdiphenylene-β-phenylallyl radical (R

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