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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.chemmater.0c02251
|2 doi
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|a pubmed24n1356.xml
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|a eng
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| 100 |
1 |
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|a Peterhans, Lisa
|e verfasserin
|4 aut
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| 245 |
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|a Structural and Photophysical Templating of Conjugated Polyelectrolytes with Single-Stranded DNA
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 30.03.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A promising approach to influence and control the photophysical properties of conjugated polymers is directing their molecular conformation by templating. We explore here the templating effect of single-stranded DNA oligomers (ssDNAs) on cationic polythiophenes with the goal to uncover the intermolecular interactions that direct the polymer backbone conformation. We have comprehensively characterized the optical behavior and structure of the polythiophenes in conformationally distinct complexes depending on the sequence of nucleic bases and addressed the effect on the ultrafast excited-state relaxation. This, in combination with molecular dynamics simulations, allowed us a detailed atomistic-level understanding of the structure-property correlations. We find that electrostatic and other noncovalent interactions direct the assembly with the polymer, and we identify that optimal templating is achieved with (ideally 10-20) consecutive cytosine bases through numerous π-stacking interactions with the thiophene rings and side groups of the polymer, leading to a rigid assembly with ssDNA, with highly ordered chains and unique optical signatures. Our insights are an important step forward in an effective approach to structural templating and optoelectronic control of conjugated polymers and organic materials in general
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|a Journal Article
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|a Nicolaidou, Eliana
|e verfasserin
|4 aut
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1 |
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|a Diamantis, Polydefkis
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Alloa, Elisa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leclerc, Mario
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Surin, Mathieu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Clément, Sébastien
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rothlisberger, Ursula
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Banerji, Natalie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hayes, Sophia C
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 32(2020), 17 vom: 08. Sept., Seite 7347-7362
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:17
|g day:08
|g month:09
|g pages:7347-7362
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|u http://dx.doi.org/10.1021/acs.chemmater.0c02251
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