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Evidence for conical intersection dynamics mediating ultrafast singlet exciton fission

Abstract:

Singlet exciton fission is the process in organic semiconductors through which a spin-singlet exciton converts into a pair of spin-triplet excitons residing on different chromophores, entangled in an overall spin-zero state. For some systems, singlet fission has been shown to occur on the 100 fs timescale and with a 200% quantum yield, but the mechanism of this process remains uncertain. Here we study a model singlet fission system, TIPS-pentacene, using ultrafast vibronic spectroscopy. We ob...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/NPHYS3241

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
More from this funder
Name:
Engineering and Physical Sciences Research Council
Funding agency for:
Kukura, P
Grant:
EP/H003541
More from this funder
Name:
Marie Curie Intra European Fellowship
Funding agency for:
Wende, T
Grant:
PIEF-GA-2013-623652
More from this funder
Name:
Winton Programme for the Physics of Sustainability
Publisher:
Nature Publishing Group
Journal:
Nature Physics More from this journal
Volume:
11
Issue:
4
Pages:
352-357
Publication date:
2015-03-16
DOI:
EISSN:
1745-2481
ISSN:
1745-2473
Keywords:
Pubs id:
pubs:516558
UUID:
uuid:637b8f48-2c28-4d2c-ac0f-122dd0fa4e01
Local pid:
pubs:516558
Source identifiers:
516558
Deposit date:
2015-10-07

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