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EN
ČeštinaEnglish

Electrochemical evidence of catalysis of oxygen reduction at the polarized liquid?liquid interface by tetraphenylporphyrin monoacid and diacid

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F09%3A00330442" target="_blank" >RIV/61388955:_____/09:00330442 - isvavai.cz</a>

  • Result on the web

    —

  • DOI - Digital Object Identifier

    —

Alternative languages

  • Result language

    angličtina

  • Original language name

    Electrochemical evidence of catalysis of oxygen reduction at the polarized liquid?liquid interface by tetraphenylporphyrin monoacid and diacid

  • Original language description

    Cyclic voltammetry is used to study the role of 5,10,15,20-tetraphenyl-21H,23H-porphine (H2TPP) in the reduction of molecular oxygen by decamethylferrocene (DMFc) at the polarized water|1,2-dichloroethane (DCE) interface. It is shown that this rather slow reaction proceeds remarkably faster in the presence of tetraphenylporphyrin monoacid (H3TPP+) and diacid (H4TPP2+), which are formed in DCE by the successive transfer of two protons from the acidified aqueous phase. A mechanism is proposed, which includes the formation of adduct between H3TPP+ or H4TPP2+ and O2 that is followed by electron transfer from DMFc to the adduct leading to the observed production of DMFc+ and to the regeneration of H2TPP or H3TPP+, respectively.

  • Czech name

    —

  • Czech description

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Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CG - Electrochemistry

  • OECD FORD branch

    —

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2009

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Electrochemistry Communications

  • ISSN

    1388-2481

  • e-ISSN

    —

  • Volume of the periodical

    11

  • Issue of the periodical within the volume

    10

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    4

  • Pages from-to

    —

  • UT code for WoS article

    000271571300024

  • EID of the result in the Scopus database

    —

Similar results(10)

Oxygen reduction by decamethylferrocene at liquid/liquid interfaces catalyzed by dodecylanilineMechanistic model of the oxygen reduction catalyzed by a metal-free porphyrin in one- and two-phase liquid systemsProton Pump for O-2 Reduction Catalyzed by 5,10,15,20-Tetraphenylporphyrinatocobalt(II)