Dynamic nuclear polarization using polychlorotriphenylmethyl radicals reveals supramolecular polarization transfer effects
Polychlorinated trityl radicals (see structure: C black, Cl green, Na gray, O red) used for dynamic nuclear polarization (DNP) showed a new transfer mechanism involving quadrupolar chlorine nuclei. The observation of positive or negative enhancements, depending on the substrate, highlights the supra...
| Autores: | , , , , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión aceptada para publicación |
| Fecha de publicación: | 2010 |
| País: | España |
| Institución: | Universidad de Barcelona |
| Repositorio: | Dipòsit Digital de la UB |
| OAI Identifier: | oai:diposit.ub.edu:2445/138557 |
| Acceso en línea: | https://hdl.handle.net/2445/138557 |
| Access Level: | acceso abierto |
| Palabra clave: | Espectroscòpia de ressonància magnètica nuclear Polarització (Física nuclear) Nuclear magnetic resonance spectroscopy Polarization (Nuclear physics) |
| Sumario: | Polychlorinated trityl radicals (see structure: C black, Cl green, Na gray, O red) used for dynamic nuclear polarization (DNP) showed a new transfer mechanism involving quadrupolar chlorine nuclei. The observation of positive or negative enhancements, depending on the substrate, highlights the supramolecular character of the initial polarization‐transfer process |
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