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Reactive Deposition Versus Strong Electrostatic Adsorption (SEA): A Key to Highly Active Single Atom Co-Catalysts in Photocatalytic H2 Generation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15640%2F23%3A73620635" target="_blank" >RIV/61989592:15640/23:73620635 - isvavai.cz</a>

  • Result on the web

    <a href="https://onlinelibrary.wiley.com/doi/10.1002/adma.202211814" target="_blank" >https://onlinelibrary.wiley.com/doi/10.1002/adma.202211814</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/adma.202211814" target="_blank" >10.1002/adma.202211814</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Reactive Deposition Versus Strong Electrostatic Adsorption (SEA): A Key to Highly Active Single Atom Co-Catalysts in Photocatalytic H2 Generation

  • Original language description

    In recent years, the use of single atoms (SAs) has become of a rapidly increasing significance in photocatalytic H-2 generation; here SA noble metals (mainly Pt SAs) can act as highly effective co-catalysts. The classic strategy to decorate oxide semiconductor surfaces with maximally dispersed SAs relies on &quot;strong electrostatic adsorption&quot; (SEA) of suitable noble metal complexes. In the case of TiO2 - the classic benchmark photocatalyst - SEA calls for adsorption of cationic Pt complexes such as [(NH3)(4)Pt](2+) which then are thermally reacted to surface-bound SAs. While SEA is widely used in literature, in the present work it is shown by a direct comparison that reactive attachment based on the reductive anchoring of SAs, e.g., from hexachloroplatinic(IV) acid (H2PtCl6) leads directly to SAs in a configuration with a significantly higher specific activity than SAs deposited with SEA - and this at a significantly lower Pt loading and without any thermal post-deposition treatments. Overall, the work demonstrates that the reactive deposition strategy is superior to the classic SEA concept as it provides a direct electronically well-connected SA-anchoring and thus leads to highly active single-atom sites in photocatalysis.

  • 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

    21002 - Nano-processes (applications on nano-scale); (biomaterials to be 2.9)

Result continuities

  • 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)

Others

  • Publication year

    2023

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    ADVANCED MATERIALS

  • ISSN

    0935-9648

  • e-ISSN

    1521-4095

  • Volume of the periodical

    35

  • Issue of the periodical within the volume

    32

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    11

  • Pages from-to

  • UT code for WoS article

    001020077000001

  • EID of the result in the Scopus database

    2-s2.0-85163606215