Publikace detail

Photophysical and Electrochemiluminescence of Coumarin-Based Oxazaborines

Rok: 2020

Druh publikace: článek v odborném periodiku

Název zdroje: ChemElectroChem

Název nakladatele: Wiley-Blackwell

Místo vydání: Hoboken

Strana od-do: 1550-1557

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
cze	Fotofyzika a elektrochemiluminiscence kumarinových derivátů oxazaborinů	V tomto článku je popsána syntéza, elektrochemie, fotofyzika, kvantově-chemické výpočty a elektrochemiluminiscence nových oxazaborinových molekul.	elektrochemiluminiscence; molekulární elektrochemie; oxazaboriny; donor-akceptor chromofory; kumarin
eng	Photophysical and Electrochemiluminescence of Coumarin-Based Oxazaborines	We describe the synthesis, electrochemistry, photophysics, computational analysis and electrochemiluminescence (ECL) of a new series of oxazaborine molecules. Our strategy is based on the modification of the coumarin-oxazaborine moiety to be directly joined through a carbon-carbon bond, forming donor-acceptor (D-A) chromophores. These new structures substantially change the electron distribution as well as photophysical and electrochemical behaviors with a strong effect on the final quantum yield. For all compounds, we observed a very high PL quantum yield (70-75 %) and relatively accessible first oxidation and first reduction. All of these characteristics allow us to study the ECL of these molecules, obtaining a very high ECL efficiency that is four times higher than the standard dyes, opening the application of oxazaborine as bright ECL luminophores.	electrochemiluminescence; molecular electrochemistry; oxazaborines; donor-acceptor chromophores; coumarin

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