Photoswitchable, metal-free parahydrogen-induced polarization enabled by a phosphorus biradicaloid

Abstract

Visible light-controlled nuclear spin hyperpolarization was demonstrated in parahydrogen activation using a metal-free phosphorus biradicaloid photoswitch. Experiments demonstrated an efficient photoresponse of the observed hyperpolarization. Two orders of magnitude signal enhancements were observed at 9.4 T. The mechanistic details of the underlying processes are provided.

Graphical abstract: Photoswitchable, metal-free parahydrogen-induced polarization enabled by a phosphorus biradicaloid

Supplementary files

Article information

Article type
Communication
Submitted
28 May 2025
Accepted
29 Jun 2025
First published
30 Jun 2025
This article is Open Access
Creative Commons BY license

Phys. Chem. Chem. Phys., 2025, Advance Article

Photoswitchable, metal-free parahydrogen-induced polarization enabled by a phosphorus biradicaloid

V. V. Zhivonitko, K. Konsewicz, J. Bresien and A. Schulz, Phys. Chem. Chem. Phys., 2025, Advance Article , DOI: 10.1039/D5CP02024G

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