Source:http://linkedlifedata.com/resource/pubmed/id/16197247
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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
9
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| pubmed:dateCreated |
2005-10-3
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| pubmed:abstractText |
We exploit the strong excitonic coupling in a superradiant trimer molecule to distinguish between long-lived collective dark states and photobleaching events. The population and depopulation kinetics of the dark states in a single molecule follow power-law statistics over 5 orders of magnitude in time. This result is consistent with the formation of a radical unit via electron tunneling to a time-varying distribution of trapping sites in the surrounding polymer matrix. We furthermore demonstrate that this radicalization process forms the dominant pathway for molecular photobleaching.
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| pubmed:language |
eng
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| pubmed:journal | |
| pubmed:status |
PubMed-not-MEDLINE
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| pubmed:month |
Aug
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| pubmed:issn |
0031-9007
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| pubmed:author | |
| pubmed:issnType |
Print
|
| pubmed:day |
26
|
| pubmed:volume |
95
|
| pubmed:owner |
NLM
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| pubmed:authorsComplete |
Y
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| pubmed:pagination |
097401
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| pubmed:year |
2005
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| pubmed:articleTitle |
Power-law-distributed dark states are the main pathway for photobleaching of single organic molecules.
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| pubmed:affiliation |
Applied Optics group, Faculty of Science & Technology and MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, NL-7500AE Enschede, the Netherlands. j.p.hoogenboom@utwente.nl
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| pubmed:publicationType |
Journal Article
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