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dc.contributor.author |
Solanke, Parmeshwar Bapurao
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dc.contributor.author |
Achelle, Sylvain
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dc.contributor.author |
Cabon, Nolwenn
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dc.contributor.author |
Pytela, Oldřich
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dc.contributor.author |
Barsella, Alberta
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dc.contributor.author |
Caro, Bertrand
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dc.contributor.author |
Robin-le Guen, Francoise
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dc.contributor.author |
Podlesný, Jan
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dc.contributor.author |
Klikar, Milan
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dc.contributor.author |
Bureš, Filip
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dc.date.accessioned |
2016-11-11T13:17:51Z |
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dc.date.available |
2016-11-11T13:17:51Z |
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dc.date.issued |
2016-07-06 |
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dc.identifier.issn |
0143-7208 |
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dc.identifier.uri |
http://hdl.handle.net/10195/66349 |
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dc.description.abstract |
Fifteen new push-pull chromophores based on a proaromatic pyranylidene donor and its chalcogen analogues and various electron acceptor moieties were synthesized in a straightforward manner. These model molecules were designed and prepared to investigate the concept of proaromaticity as a tool to tune the fundamental properties of push-pull systems. All target chromophores with systematically varied structure were further investigated by electrochemistry, absorption spectra, and EFISH experiment in conjunction with DFT calculations. Employing structural variations such as chalcogen/acceptor replacement, extension of the π-system, and the position of substitution along the pyran ring, the HOMO-LUMO gap can be tuned within the range of 2.18 to 1.41 eV. A new and powerful electron withdrawing moiety, combining features of polarizable thiophene and successful indane-1,3-dione acceptor, cyclopenta[c]thiophen-4,6-dione (ThDione) has also been developed. |
eng |
dc.format |
p. 129-138 |
eng |
dc.language.iso |
eng |
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dc.publisher |
Elsevier |
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dc.relation.ispartof |
Dyes and Pigments. 2016, vol. 134 |
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dc.rights |
Attribution-NonCommercial-NoDerivs 4.0.International |
* |
dc.rights |
open access |
eng |
dc.rights.uri |
http://creativecommons.org/licenses/by-nc-nd/4.0/ |
* |
dc.subject |
chalcogenopyranylidene |
eng |
dc.subject |
push-pull |
eng |
dc.subject |
non linear optics |
eng |
dc.subject |
charge transfer |
eng |
dc.subject |
polymethines |
eng |
dc.title |
Proaromatic pyranylidene chalcogen analogues and cyclopenta[c]thiophen-4,6-dione as electron donors and acceptor in efficient charge-transfer chromophores |
eng |
dc.type |
Article |
eng |
dc.peerreviewed |
yes |
eng |
dc.publicationstatus |
postprint |
eng |
dc.identifier.doi |
10.1016/j.dyepig.2016.07.008 |
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dc.relation.publisherversion |
http://www.sciencedirect.com/science/article/pii/S014372081630314X |
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dc.project.ID |
EC/H2020/638857/EU/Towards New Generation of Solid-State Photovoltaic Cell: Harvesting Nanotubular Titania and Hybrid Chromophores/CHROMTISOL |
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dc.identifier.wos |
WOS:000383526000016 |
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dc.identifier.scopus |
2-s2.0-84978113408 |
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Kromě případů, kde je uvedeno jinak, licence tohoto záznamu je Attribution-NonCommercial-NoDerivs 4.0.International
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