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Laser ablation of silver and gold in liquid ammonia

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    0349120 - ÚMCH 2011 RIV DE eng J - Journal Article
    Smejkal, P. - Pfleger, Jiří - Vlčková, B.
    Laser ablation of silver and gold in liquid ammonia.
    Applied Physics A - Materials Science & Processing. Roč. 101, č. 1 (2010), s. 37-40. ISSN 0947-8396. E-ISSN 1432-0630
    R&D Projects: GA ČR GA203/07/0717; GA AV ČR KAN100500652
    Institutional research plan: CEZ:AV0Z40500505
    Keywords : absorption-spectra * size-reduction * nanoparticles
    Subject RIV: CF - Physical ; Theoretical Chemistry
    Impact factor: 1.765, year: 2010

    Laser ablation of a silver (Ag) and/or gold (Au) target was performed in liquid ammonia (l-NH3) at 233 K, leading to a formation of nanoparticles. Ag nanoparticles in l-NH3 oxidize to Ag(I) complexes with NH3 ligands. Formation of solvated electrons has not been confirmed. Reference experiments have shown that the production of (e(-))NH3 solvates is hindered by the presence of Ag and Au plates. Ag and Au targets can thus possibly act as electron scavengers in our ablation experiments.
    Permanent Link: http://hdl.handle.net/11104/0006076

     
     
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