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Adsorption mechanisms of sulfathiazole on gold, silver and copper surfaces studied by SERS


Ratkaj, Marina; Miljanić, Snežana
Adsorption mechanisms of sulfathiazole on gold, silver and copper surfaces studied by SERS // Vibrational spectroscopy, 74 (2014), 104-109 doi:10.1016/j.vibspec.2014.08.004 (međunarodna recenzija, članak, znanstveni)


Naslov
Adsorption mechanisms of sulfathiazole on gold, silver and copper surfaces studied by SERS

Autori
Ratkaj, Marina ; Miljanić, Snežana

Izvornik
Vibrational spectroscopy (0924-2031) 74 (2014); 104-109

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Sulfathiazole; SERS; Raman spectroscopy; metal colloids

Sažetak
Surface-enhanced Raman scattering (SERS) of sulfathiazole was studied in gold, silver and copper colloids as well as on a gold plate. SERS spectra of sulfathiazole in gold and silver colloids indicated chemisorption of molecules on the metal nanoparticles through the amide nitrogen, with the phenyl moiety orthogonally placed and the thiazole ring almost parallel positioned towards the metal surface. Although selectively enhanced phenyl bands pointed to a very similar position of the sulfathiazole molecules on the copper colloid, a chemical bonding was not implied. Unlike adsorption mechanisms and position of the molecules on the colloid metal surfaces, a sideway adsorption of sulfathiazole on the gold plate was proposed. Hereby, both, the amide nitrogen and the thiazole nitrogen were considered responsible for approaching of sulfathiazole to the gold enhancing surface.

Izvorni jezik
Engleski

Znanstvena područja
Kemija



POVEZANOST RADA


Ustanove
Pliva-Istraživački institut,
Prirodoslovno-matematički fakultet, Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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