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Detection of a weak ring current in a nonaromatic porphyrin nanoring using magnetic circular dichroism

Abstract:

We compare the absorption and magnetic circular dichroism (MCD) spectra of a series of porphyrin oligomers - dimer, tetramer, and hexamer - bound in a linear or cyclic fashion. The MCD signal is extremely weak for low energy transitions in the linear oligomers, but it is amplified when the cyclic porphyrin hexamer binds a template, restricting rotational freedom. The appearance of Faraday A terms in the MCD spectra demonstrates the presence of a magnetic moment, and thus, uncompensated electr...

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

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Publisher copy:
10.1039/c7cp07348h

Authors


Kowalska, P More by this author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Organic Chemistry
Roliński, T More by this author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Chemistry; Organic Chemistry
ORCID:
0000-0002-1801-8132
Polish National Science Centre More from this funder
European Research Council More from this funder
Publisher:
Royal Society of Chemistry Publisher's website
Journal:
Physical Chemistry Chemical Physics Journal website
Volume:
19
Issue:
48
Pages:
32556-32565
Publication date:
2017-11-22
Acceptance date:
2017-11-22
DOI:
EISSN:
1463-9084
ISSN:
1463-9076
Pubs id:
pubs:811270
URN:
uri:3f4defe9-fd97-4ec8-bda8-52e12d2fc301
UUID:
uuid:3f4defe9-fd97-4ec8-bda8-52e12d2fc301
Local pid:
pubs:811270
Language:
English

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