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Synthesis and characterization of metallo-supramolecular polymers from thiophene-based unimers bearing pybox ligands

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F17%3A00470766" target="_blank" >RIV/61389013:_____/17:00470766 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11310/17:10361088 RIV/70883521:28110/17:63517115 RIV/70883521:28610/17:63517115

  • Result on the web

    <a href="http://dx.doi.org/10.1039/C6RA26665G" target="_blank" >http://dx.doi.org/10.1039/C6RA26665G</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1039/C6RA26665G" target="_blank" >10.1039/C6RA26665G</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Synthesis and characterization of metallo-supramolecular polymers from thiophene-based unimers bearing pybox ligands

  • Original language description

    A series of novel metallo-supramolecular polymers was successfully prepared, based on 2,6-bis(2-oxazolinyl)pyridine building blocks consisting of pyridine flanked by two oxazoline rings as a tridentate binding site bridged with thiophene, bithiophene and thienothiophene as a linker, beginning from a cheap and commercially available 1,4-dihydro-4-oxo-2,6-pyridinedicarboxylic (chelidamic) acid. Metallo-supramolecular polymers were obtained and spectroscopically characterized upon treatment of the synthesized building blocks, also known as unimers, with the following metal ions: Fe2+, Zn2+, Ni2+, Cu2+. During the self-assembly process of the prepared unimers with a Cu2+ ion coupler, UV/vis investigation showed the highest shift of absorption maxima to lower energies, contrary to the Fe2+ ion couplers where the lowest value of shift was detected, compared to the free unimer. Upon the complexation of the Fe2+ ion coupler with selected unimers, the appearance was observed of new absorption bands around 600 nm ascribable to metal-to-ligand charge-transfer transitions. The luminescence study of the complexation of the synthesized unimers with Zn2+ exhibited a high fluorescence increase with an increase of metal ion concentration. Adversely, all of the other metals only showed fluorescence quenching.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10404 - Polymer science

Result continuities

  • Project

    <a href="/en/project/GA15-22305S" target="_blank" >GA15-22305S: Constitutional dynamics of the hemiacetal and hemiaminal responsive systems stabilized by electron-withdrawing groups</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    RSC Advances

  • ISSN

    2046-2069

  • e-ISSN

  • Volume of the periodical

    7

  • Issue of the periodical within the volume

    18

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    11

  • Pages from-to

    10718-10728

  • UT code for WoS article

    000395796700014

  • EID of the result in the Scopus database

    2-s2.0-85013076695