Solvent and branching effect on the two-photon absorption properties of push-pull triphenylamine derivatives

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F16%3A39901358" target="_blank" >RIV/00216275:25310/16:39901358 - isvavai.cz</a>
Result on the web
<a href="http://pubs.rsc.org/en/content/articlepdf/2016/ra/c5ra25170b" target="_blank" >http://pubs.rsc.org/en/content/articlepdf/2016/ra/c5ra25170b</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1039/c5ra25170b" target="_blank" >10.1039/c5ra25170b</a>

Result language
angličtina
Original language name
Solvent and branching effect on the two-photon absorption properties of push-pull triphenylamine derivatives
Original language description
The photophysical and two-photon absorption (2PA) properties of two tri-podal molecules and of their quadrupolar and dipolar counterparts are reported for a series of solvents with varying polarity. The molecules possess a tri-phenylamine electron donating group and mono-cyano acceptors while olefinic and acetylenic pi-linkers have been used. Branching led to an increase of the molar extinction coefficient and to a slight bathochromic shift of the absorption spectra while the fluorescence quantum yields decrease but they are maintained to relatively high values. Solvatochromic measurements in the tripodal molecules revealed an emitting state with a polar nature. The 2PA cross sections in general increase upon branching but the observed behaviour strongly depends on the type of solvent. The highest 2PA cross sections are obtained in solvents of medium polarity and values as high as 1420 GM are reported.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CC - Organic chemistry
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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