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Materials chemistry of triplet dynamic nuclear polarization

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Abstract

Dynamic nuclear polarization with photo-excited triplet electrons (triplet-DNP) has the potential to enhance the sensitivity of nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) at a moderate temperature. While many efforts have been devoted to achieving a large nuclear polarization based on triplet-DNP, the application of triplet-DNP has been limited to nuclear physics experiments. The recent introduction of materials chemistry into the field of triplet-DNP has achieved air-stable and water-soluble polarizing agents as well as the hyperpolarization of nanomaterials with a large surface area such as nanoporous metal–organic frameworks (MOFs) and nanocrystal dispersion in water. This Feature Article overviews the recently-emerged materials chemistry of triplet-DNP that paves new paths towards unprecedented biological and medical applications.

Graphical abstract: Materials chemistry of triplet dynamic nuclear polarization

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Article information


Submitted
27 Mar 2020
Accepted
01 May 2020
First published
01 May 2020

Chem. Commun., 2020, Advance Article
Article type
Feature Article

Materials chemistry of triplet dynamic nuclear polarization

K. Nishimura, H. Kouno, Y. Kawashima, K. Orihashi, S. Fujiwara, K. Tateishi, T. Uesaka, N. Kimizuka and N. Yanai, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC02258F

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