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Single molecule spectroscopy of polyfluorene chains reveals β-phase content and phase reversibility in organic solvents
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dc.contributor.author | Brenlla, Alfonso | |
dc.contributor.author | Tenopala-Carmona, Francisco | |
dc.contributor.author | Kanibolotsky, Alexander L. | |
dc.contributor.author | Skabara, Peter J. | |
dc.contributor.author | Samuel, Ifor David William | |
dc.contributor.author | Penedo-Esteiro, Juan Carlos | |
dc.date.accessioned | 2020-10-08T23:35:35Z | |
dc.date.available | 2020-10-08T23:35:35Z | |
dc.date.issued | 2019-10-09 | |
dc.identifier.citation | Brenlla , A , Tenopala-Carmona , F , Kanibolotsky , A L , Skabara , P J , Samuel , I D W & Penedo-Esteiro , J C 2019 , ' Single molecule spectroscopy of polyfluorene chains reveals β-phase content and phase reversibility in organic solvents ' , Matter , vol. In press . https://doi.org/10.1016/j.matt.2019.07.020 | en |
dc.identifier.issn | 2590-2385 | |
dc.identifier.other | PURE: 260458465 | |
dc.identifier.other | PURE UUID: aef2d72d-c7b2-48e1-b927-78b62300e943 | |
dc.identifier.other | ORCID: /0000-0002-4603-034X/work/63045966 | |
dc.identifier.other | Scopus: 85078478987 | |
dc.identifier.other | ORCID: /0000-0002-5807-5385/work/74872765 | |
dc.identifier.other | WOS: 000519846700030 | |
dc.identifier.uri | http://hdl.handle.net/10023/20750 | |
dc.description.abstract | Conjugated polymers are an important class of organic semiconductors that can be deposited from solution to make optoelectronic devices. Among them, poly(9,9′-dioctylfluorene) (PFO) has distinctive optical properties arising from its ability to adopt an ordered planar conformation (β phase) from a disordered glassy phase (α phase). The β phase has attractive optical properties, but the precise mechanism of its formation in solution remains unknown. Here, we have combined specifically tailored polymer synthesis and surface-passivation strategies to provide the first spectroscopic characterization of single PFO chains in solution at room temperature. By anchoring PFO molecules at one end on an anti-adherent surface, we show that isolated chains can adopt the β-phase conformation in a solvent-dependent manner. Furthermore, we find that individual PFO chains can reversibly switch multiple times between phases in response to solvent-exchange events. The methodology presented here for polymer synthesis and immobilization is widely applicable to investigate other luminescent polymers. | |
dc.language.iso | eng | |
dc.relation.ispartof | Matter | en |
dc.rights | Copyright © 2019 Elsevier Inc. This work has been made available online in accordance with publisher policies or with permission. Permission for further reuse of this content should be sought from the publisher or the rights holder. This is the author created accepted manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1016/j.matt.2019.07.020 | en |
dc.subject | QC Physics | en |
dc.subject | QH301 Biology | en |
dc.subject | T Technology | en |
dc.subject | DAS | en |
dc.subject.lcc | QC | en |
dc.subject.lcc | QH301 | en |
dc.subject.lcc | T | en |
dc.title | Single molecule spectroscopy of polyfluorene chains reveals β-phase content and phase reversibility in organic solvents | en |
dc.type | Journal article | en |
dc.contributor.sponsor | EPSRC | en |
dc.contributor.sponsor | EPSRC | en |
dc.description.version | Postprint | en |
dc.description.version | Postprint | en |
dc.contributor.institution | University of St Andrews. School of Physics and Astronomy | en |
dc.contributor.institution | University of St Andrews. Centre for Biophotonics | en |
dc.contributor.institution | University of St Andrews. Condensed Matter Physics | en |
dc.contributor.institution | University of St Andrews. Biomedical Sciences Research Complex | en |
dc.identifier.doi | https://doi.org/10.1016/j.matt.2019.07.020 | |
dc.description.status | Peer reviewed | en |
dc.date.embargoedUntil | 2020-10-09 | |
dc.identifier.grantnumber | EP/N009886/1 | en |
dc.identifier.grantnumber | EP/L015110/1 | en |
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