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Very large π-conjugation despite strong nonplanarity : a path for designing new semiconducting polymers
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Troisi, Alessandro and Shaw, Alex (2016) Very large π-conjugation despite strong nonplanarity : a path for designing new semiconducting polymers. The Journal of Physical Chemistry Letters, 7 (22). pp. 4689-4694. doi:10.1021/acs.jpclett.6b02367 ISSN 1948-7185.
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Official URL: http://dx.doi.org/10.1021/acs.jpclett.6b02367
Abstract
When two π-conjugated fragments are connected by a bond between two sp2 carbon atoms, a torsion around this bond is expected to break the overall π-conjugation. We show that for specially selected monomers, the π-conjugation is insensitive to torsions around a C–C bond up to about 60°. We provide a number of examples for this very unexpected phenomenon and a simple explanation. We propose that this feature can be incorporated into conjugated polymers to generate semiconducting materials that are extremely insensitive to structural disorder.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > QD Chemistry T Technology > TJ Mechanical engineering and machinery |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||||||
Library of Congress Subject Headings (LCSH): | Conjugated polymers, Semiconductors, Monomers | ||||||||
Journal or Publication Title: | The Journal of Physical Chemistry Letters | ||||||||
Publisher: | American Chemical Society | ||||||||
ISSN: | 1948-7185 | ||||||||
Official Date: | 17 November 2016 | ||||||||
Dates: |
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Volume: | 7 | ||||||||
Number: | 22 | ||||||||
Page Range: | pp. 4689-4694 | ||||||||
DOI: | 10.1021/acs.jpclett.6b02367 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 16 November 2016 | ||||||||
Date of first compliant Open Access: | 2 November 2017 | ||||||||
Funder: | European Research Council (ERC), Engineering and Physical Sciences Research Council (EPSRC) | ||||||||
Grant number: | Grant No. 615834 (ERC), EP/N021754/1 (EPSRC) |
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