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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 | 260458465 | |
dc.identifier | aef2d72d-c7b2-48e1-b927-78b62300e943 | |
dc.identifier | 85078478987 | |
dc.identifier | 000519846700030 | |
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 | ORCID: /0000-0002-4603-034X/work/63045966 | |
dc.identifier.other | ORCID: /0000-0002-5807-5385/work/74872765 | |
dc.identifier.uri | https://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.format.extent | 1522429 | |
dc.format.extent | 1575385 | |
dc.language.iso | eng | |
dc.relation.ispartof | Matter | 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.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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