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Triplet state delocalization in a conjugated porphyrin dimer probed by transient electron paramagnetic resonance techniques

Abstract:

The delocalization of the photoexcited triplet state in a linear butadiyne-linked porphyrin dimer is investigated by time-resolved and pulse electron paramagnetic resonance (EPR) with laser excitation. The transient EPR spectra of the photoexcited triplet states of the porphyrin monomer and dimer are characterized by significantly different spin polarizations and an increase of the zero-field splitting parameter D from monomer to dimer. The proton and nitrogen hyperfine couplings, determined ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1021/jacs.5b03249

Authors


Neuhaus, P More by this author
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Department:
Oxford, MPLS, Chemistry, Organic Chemistry
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Department:
New College
Engineering and Physical Sciences Research Council More from this funder
Publisher:
American Chemical Society Publisher's website
Journal:
Journal of the American Chemical Society Journal website
Volume:
137
Issue:
20
Pages:
6670-6679
Publication date:
2015-04-27
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
Pubs id:
pubs:522760
URN:
uri:d70246dc-f70b-4907-a60f-6207234dc217
UUID:
uuid:d70246dc-f70b-4907-a60f-6207234dc217
Local pid:
pubs:522760
Language:
English
Keywords:

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