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research article
High proton spin polarization with DNP using the triplet state of pentacene-d14
The proton spins in a large naphthalene single crystal have been very efficiently polarized using optically excited triplet states of fully deuterated pentacene (C22D14) guest molecules. In a field of 0.3 T a proton polarization of 0.50 has been achieved. As technique for dynamic nuclear polarization (DNP) the integrated solid effect (ISE) scheme was employed to transfer the large electron polarization of the triplet states directly to the proton spins on naphthalene. © 2012 Elsevier B.V. All rights reserved.
Type
research article
Web of Science ID
WOS:000313012200057
Authors
Publication date
2013
Publisher
Published in
Volume
555
Start page
296
End page
299
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
February 1, 2013
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