A fluorescent AND logic gate based on a ferrocene-naphthalimide-piperazine format responsive to acidity and oxidizability
| hal.structure.identifier | Department of Chemistry [Msida] | |
| dc.contributor.author | SPITERI, Jake | |
| hal.structure.identifier | Department of Chemistry [Msida] | |
| dc.contributor.author | JOHNSON, Alex | |
| hal.structure.identifier | Institut des Sciences Moléculaires [ISM] | |
| dc.contributor.author | DENISOV, Sergey | |
| hal.structure.identifier | Laboratoire Ondes et Matière d'Aquitaine [LOMA] | |
| dc.contributor.author | JONUSAUSKAS, Gediminas | |
| hal.structure.identifier | Institut des Sciences Moléculaires [ISM] | |
| dc.contributor.author | MCCLENAGHAN, Nathan | |
| hal.structure.identifier | Department of Chemistry [Msida] | |
| dc.contributor.author | MAGRI, David | |
| dc.date.created | 2018-03-12 | |
| dc.date.issued | 2018 | |
| dc.identifier.issn | 0143-7208 | |
| dc.description.abstractEn | A novel fluorescent molecular logic gate 1 is demonstrated as a two-input AND logic gate for the detection of acidity and oxidizability. Designed according to an electron-donor–spacer–fluorophore–spacer–receptor' format, the modules are represented by ferrocene as the electron donor, 1,8-naphthalimide as the fluorophore and piper-azine as the proton receptor. In the presence of elevated concentrations of H + and Fe 3+ , the molecule switches 'on' emitting at λ max = 530 nm with Φ f = 0.060 at 10 −4 M H + and 50 μM Fe 3+. The H + binding and apparent Fe 3+ binding constants determined by fluorimetric titrations in 1:1 (v/v) methanol/water are log β H+ = 8.1 and log β Fe3+ = 4.7. Modulation of the fluorescence output results from controlling competing photoinduced electron transfer (PET) at the ferrocene end and internal charge transfer (ICT) at the piperazine end. Time-resolved fluorescence spectroscopy reveals a single fluorescent lifetime of 5.8 ns, while from absorption transient spec-troscopy a remarkable fast decay signal < 2 ps is observed. Comparison is made with methylpiperazine 2 and piperazine fluorescent pH indicator 3 as model compounds. | |
| dc.language.iso | en | |
| dc.publisher | Elsevier | |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/ | |
| dc.subject.en | Naphthalimide | |
| dc.subject.en | Ferrocene | |
| dc.subject.en | Photoinduced electron transfer | |
| dc.subject.en | Pourbaix sensor | |
| dc.subject.en | Molecular logic gate | |
| dc.subject.en | Fluorescence | |
| dc.title.en | A fluorescent AND logic gate based on a ferrocene-naphthalimide-piperazine format responsive to acidity and oxidizability | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1016/j.dyepig.2018.04.060 | |
| dc.subject.hal | Physique [physics]/Physique [physics]/Chimie-Physique [physics.chem-ph] | |
| bordeaux.journal | Dyes and Pigments | |
| bordeaux.page | 278-283 | |
| bordeaux.volume | 157 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-01848447 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-01848447v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Dyes%20and%20Pigments&rft.date=2018&rft.volume=157&rft.spage=278-283&rft.epage=278-283&rft.eissn=0143-7208&rft.issn=0143-7208&rft.au=SPITERI,%20Jake&JOHNSON,%20Alex&DENISOV,%20Sergey&JONUSAUSKAS,%20Gediminas&MCCLENAGHAN,%20Nathan&rft.genre=article |
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