Fluorescence and electroluminescence of J-aggregated polythiophene monolayers on hexagonal boron nitride
dc.contributor.author | Beton, Peter | |
dc.contributor.author | Kerfoot, James | |
dc.contributor.other | Svatek, Simon A. | |
dc.contributor.other | Antolín, Elisa | |
dc.contributor.other | Taniguchi, Takashi | |
dc.contributor.other | Watanabe, Kenji | |
dc.contributor.other | Korolkov, Vladimir V. | |
dc.date.accessioned | 2020-09-15T07:42:06Z | |
dc.date.available | 2020-09-15T07:42:06Z | |
dc.date.issued | 2020-09-15 | |
dc.identifier.uri | https://rdmc.nottingham.ac.uk/handle/internal/8603 | |
dc.description.abstract | The photophysics of a semiconducting polymer is manipulated through molecular self-assembly on an insulating surface. Adsorption of polythiophene (PT) monolayers on hexagonal boron nitride (hBN) leads to a structurally-induced planarization and a re-balancing of inter- and intra-chain excitonic coupling. This conformational control results in a dominant 0-0 photoluminescence peak and a reduced Huang-Rhys factor, characteristic of J-type aggregates, and optical properties which are significantly different to both PT thin films and single polymer strands. Adsorption on hBN also provides a route to explore electroluminescence from PT monolayers though incorporation into hybrid van der Waals heterostructures whereby the polymer monolayer is embedded within a hBN tunnel diode. In these structures we observe up-converted singlet electroluminescence from the PT monolayer, with an excitation mechanism based upon inelastic electron scattering. We argue that surface adsorption provides a methodology for the study of fundamental optoelectronic properties of technologically-relevant polymers. | en_UK |
dc.language.iso | en | en_UK |
dc.publisher | The University of Nottingham | en_UK |
dc.rights | CC-BY | * |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | * |
dc.subject.lcsh | Photoluminescence | en_UK |
dc.subject.lcsh | Electroluminescence | en_UK |
dc.subject.lcsh | Boron nitride | en_UK |
dc.subject.lcsh | Organic electronics | en_UK |
dc.subject.lcsh | Molecular electronics | en_UK |
dc.title | Fluorescence and electroluminescence of J-aggregated polythiophene monolayers on hexagonal boron nitride | en_UK |
dc.identifier.doi | http://doi.org/10.17639/nott.7069 | |
dc.subject.free | self-assembly, photoluminescence, electroluminescence, semiconducting polymer, organic electronics, molecular electronics, photophysics. | en_UK |
dc.subject.jacs | Physical sciences::Physics | en_UK |
dc.subject.lc | Q Science::QC Physics | en_UK |
dc.date.collection | 01.08.2018 - 01.04.2020 | en_UK |
uon.division | University of Nottingham, UK Campus | en_UK |
uon.division | Other | en_UK |
uon.funder.controlled | Engineering & Physical Sciences Research Council | en_UK |
uon.funder.controlled | Other | en_UK |
uon.datatype | Raw data files: AFM images (.ibw), photoluminescence and electroluminescence spectra (.ls6 and .txt), current vs. voltage measurement files (.txt), optical microscopy images (.jpg) | en_UK |
uon.funder.free | Leverhulme Trust | en_UK |
uon.funder.free | Elemental Strategy Initiative | en_UK |
uon.funder.free | JSPS KAKENHI | en_UK |
uon.funder.free | MINECO | en_UK |
uon.funder.free | CREST | en_UK |
uon.grant | EPSRC: EP/N033906/1 | en_UK |
uon.grant | Leverhulme Trust: RPG-2016-104 | en_UK |
uon.grant | Leverhulme Trust: RF-2019-460 | en_UK |
uon.grant | Elemental Strategy Initiative (MEXT): JPMXP0112101001 | en_UK |
uon.grant | JSPS KAKENHI: JP20H00354 | en_UK |
uon.grant | CREST: JPMJCR15F3 | en_UK |
uon.grant | MINECO: FJC2018-036517-I | en_UK |
uon.grant | MINECO: RYC-2015-18539 | en_UK |
uon.collectionmethod | Optical microscopy, Fluorescence microscopy, Atomic force microscopy, probe station current-voltage measurements. | en_UK |
uon.institutes-centres | University of Nottingham, UK Campus | en_UK |
uon.preservation.rarelyaccessed | true | |
dc.relation.doi | http://dx.doi.org/10.1021/acsnano.0c06280 | en_UK |
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