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Electronic delocalization in the radical cations of porphyrin oligomer molecular wires

Abstract:

The radical cations of a family of π-conjugated porphyrin arrays have been investigated: linear chains of N = 1-6 porphyrins, a 6-porphyrin nanoring and a 12-porphyrin nanotube. The radical cations were generated in solution by chemical and electrochemical oxidation, and probed by vis-NIR-IR and EPR spectroscopies. The cations exhibit strong NIR bands at ~1000 nm and 2000-5000 nm which shift to longer wavelength with increasing oligomer length. Analysis of the NIR and IR spectra indicates tha...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1021/jacs.7b05386

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Department:
Oxford, MPLS, Organic Chemistry
Neuhaus, P More by this author
Fischer, GM More by this author
Hoffmann, M More by this author
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Engineering and Physical Sciences Research Council More from this funder
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Grant:
Marie Curie Individual Fellowship to G.M.F. under the contract PIEF-GA-2009-255164 and to P.N. under the contract PIEF-GA-2011-301336
Publisher:
American Chemical Society Publisher's website
Journal:
Journal of the American Chemical Society Journal website
Volume:
139
Issue:
30
Pages:
10461–10471
Publication date:
2017-07-05
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
Pubs id:
pubs:708164
URN:
uri:dbd208ce-5232-4c9a-9420-328cb423c29f
UUID:
uuid:dbd208ce-5232-4c9a-9420-328cb423c29f
Local pid:
pubs:708164
Language:
English

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