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    Room Temperature Reactivity Of Silicon Nanocrystals With Solvents: The Case Of Ketone And Hydrogen Production From Secondary Alcohols: Catalysis?

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    acsami2E5b01231.pdf
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    Type
    Article
    Authors
    El Demellawi, Jehad K.
    Holt, Christopher
    Abou-Hamad, Edy cc
    Al-Talla, Zeyad
    Saih, Youssef
    Chaieb, Saharoui cc
    KAUST Department
    Physical Sciences and Engineering (PSE) Division
    KAUST Catalysis Center (KCC)
    Analytical Core Lab
    Date
    2015-05-29
    Permanent link to this record
    http://hdl.handle.net/10754/556101
    
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    Abstract
    Although silicon nanoparticles dispersed in liquids are used in various applications ranging from bio-labeling to hydrogen production, their reactivities with their solvents and their catalytic properties re-main still unexplored. Here, we discovered that, because of their surface structures and mechanical strain, silicon nanoparticles react strongly with their solvents and may act as catalysts for the dehydrogenation, at room temperature, of secondary alcohols (e.g. isopropanol) to ketones and hydrogen. This catalytic reaction was followed by gas chromatography, pH measurements, mass spectroscopy and solidstate NMR. This discovery provides new understanding of the role played by silicon nanoparticles, and nanosilicon in general, in their stability in solvents in general as well as being candidates in catalysis.
    Citation
    Room Temperature Reactivity Of Silicon Nanocrystals With Solvents: The Case Of Ketone And Hydrogen Production From Secondary Alcohols: Catalysis? 2015:150529124729005 ACS Applied Materials & Interfaces
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Applied Materials & Interfaces
    ISSN
    1944-8244
    1944-8252
    DOI
    10.1021/acsami.5b01231
    PubMed ID
    26024366
    Additional Links
    http://pubs.acs.org/doi/abs/10.1021/acsami.5b01231
    ae974a485f413a2113503eed53cd6c53
    10.1021/acsami.5b01231
    Scopus Count
    Collections
    Articles; Analytical Core Lab; Physical Sciences and Engineering (PSE) Division; KAUST Catalysis Center (KCC)

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