Matches in SemOpenAlex for { <https://semopenalex.org/work/W2051258199> ?p ?o ?g. }
- W2051258199 endingPage "6095" @default.
- W2051258199 startingPage "6087" @default.
- W2051258199 abstract "A series of gold nanoparticles stabilized by the adsorption of heterocyclic mercaptan derivatives, including 2-mercaptopyridine (2MPy), 2-mercaptopyrimidine (2MPm) and 4-mercaptopyridine (4MPy), were synthesized and characterized by TEM, FTIR, UV−vis, and XPS. The adsorption of 2MPy molecules led to the most stable and uniform nanoparticles. In contrast, the 4MPy-coated nanoparticles showed a strong tendency to form 3D aggregates, which is attributed to cross linking between sulfur groups on neighboring particles. FTIR and UV−vis spectroscopy were employed to study the chemical conformation of the heterocyclic molecules on the gold surface. Significant differences between the IR spectra of the functionalized nanoparticles and the free mercaptan molecules were observed. Interpretations of these IR spectra were achieved with the aid of ab initio calculations. We found that the “thione form” is predominant when the molecules are either in a polycrystalline state or in methanol solution; however, they are stabilized in the “thiol-like form” when adsorbed on the particles. The XPS spectra of the 2MPy nanoparticles showed narrow peaks with the expected peak position. In contrast, the peaks in the spectra of the 2MPm- and 4MPy-passivated nanoparticles were strongly shifted. Oxidization of the sulfur group was detected in the 4MPy-modified nanoparticles, indicating that some molecules were adsorbed onto the gold surface via their nitrogen groups." @default.
- W2051258199 created "2016-06-24" @default.
- W2051258199 creator A5000400245 @default.
- W2051258199 creator A5029761303 @default.
- W2051258199 creator A5042836062 @default.
- W2051258199 creator A5077740483 @default.
- W2051258199 creator A5087703044 @default.
- W2051258199 date "2003-06-01" @default.
- W2051258199 modified "2023-10-18" @default.
- W2051258199 title "Spectroscopic Characterization of Gold Nanoparticles Passivated by Mercaptopyridine and Mercaptopyrimidine Derivatives" @default.
- W2051258199 cites W1984588854 @default.
- W2051258199 cites W1989111258 @default.
- W2051258199 cites W1992324912 @default.
- W2051258199 cites W1993840861 @default.
- W2051258199 cites W1995660871 @default.
- W2051258199 cites W2004181017 @default.
- W2051258199 cites W2009014256 @default.
- W2051258199 cites W2011995061 @default.
- W2051258199 cites W2015400854 @default.
- W2051258199 cites W2026739393 @default.
- W2051258199 cites W2027870735 @default.
- W2051258199 cites W2034225086 @default.
- W2051258199 cites W2038498594 @default.
- W2051258199 cites W2038655718 @default.
- W2051258199 cites W2052110912 @default.
- W2051258199 cites W2054431152 @default.
- W2051258199 cites W2066336740 @default.
- W2051258199 cites W2067765423 @default.
- W2051258199 cites W2068336714 @default.
- W2051258199 cites W2076271370 @default.
- W2051258199 cites W2079168516 @default.
- W2051258199 cites W2084785541 @default.
- W2051258199 cites W2086183896 @default.
- W2051258199 cites W2087925878 @default.
- W2051258199 cites W2123333569 @default.
- W2051258199 cites W2152315521 @default.
- W2051258199 cites W2156745075 @default.
- W2051258199 cites W2157323029 @default.
- W2051258199 cites W2162001660 @default.
- W2051258199 cites W2171389944 @default.
- W2051258199 cites W2949325490 @default.
- W2051258199 cites W4236045496 @default.
- W2051258199 doi "https://doi.org/10.1021/jp030297y" @default.
- W2051258199 hasPublicationYear "2003" @default.
- W2051258199 type Work @default.
- W2051258199 sameAs 2051258199 @default.
- W2051258199 citedByCount "68" @default.
- W2051258199 countsByYear W20512581992012 @default.
- W2051258199 countsByYear W20512581992013 @default.
- W2051258199 countsByYear W20512581992014 @default.
- W2051258199 countsByYear W20512581992015 @default.
- W2051258199 countsByYear W20512581992016 @default.
- W2051258199 countsByYear W20512581992017 @default.
- W2051258199 countsByYear W20512581992018 @default.
- W2051258199 countsByYear W20512581992019 @default.
- W2051258199 countsByYear W20512581992020 @default.
- W2051258199 countsByYear W20512581992022 @default.
- W2051258199 countsByYear W20512581992023 @default.
- W2051258199 crossrefType "journal-article" @default.
- W2051258199 hasAuthorship W2051258199A5000400245 @default.
- W2051258199 hasAuthorship W2051258199A5029761303 @default.
- W2051258199 hasAuthorship W2051258199A5042836062 @default.
- W2051258199 hasAuthorship W2051258199A5077740483 @default.
- W2051258199 hasAuthorship W2051258199A5087703044 @default.
- W2051258199 hasConcept C104819515 @default.
- W2051258199 hasConcept C127413603 @default.
- W2051258199 hasConcept C147789679 @default.
- W2051258199 hasConcept C150394285 @default.
- W2051258199 hasConcept C153642686 @default.
- W2051258199 hasConcept C155672457 @default.
- W2051258199 hasConcept C160892712 @default.
- W2051258199 hasConcept C171250308 @default.
- W2051258199 hasConcept C175708663 @default.
- W2051258199 hasConcept C178790620 @default.
- W2051258199 hasConcept C179104552 @default.
- W2051258199 hasConcept C185592680 @default.
- W2051258199 hasConcept C192562407 @default.
- W2051258199 hasConcept C32909587 @default.
- W2051258199 hasConcept C42360764 @default.
- W2051258199 hasConcept C518881349 @default.
- W2051258199 hasConceptScore W2051258199C104819515 @default.
- W2051258199 hasConceptScore W2051258199C127413603 @default.
- W2051258199 hasConceptScore W2051258199C147789679 @default.
- W2051258199 hasConceptScore W2051258199C150394285 @default.
- W2051258199 hasConceptScore W2051258199C153642686 @default.
- W2051258199 hasConceptScore W2051258199C155672457 @default.
- W2051258199 hasConceptScore W2051258199C160892712 @default.
- W2051258199 hasConceptScore W2051258199C171250308 @default.
- W2051258199 hasConceptScore W2051258199C175708663 @default.
- W2051258199 hasConceptScore W2051258199C178790620 @default.
- W2051258199 hasConceptScore W2051258199C179104552 @default.
- W2051258199 hasConceptScore W2051258199C185592680 @default.
- W2051258199 hasConceptScore W2051258199C192562407 @default.
- W2051258199 hasConceptScore W2051258199C32909587 @default.
- W2051258199 hasConceptScore W2051258199C42360764 @default.
- W2051258199 hasConceptScore W2051258199C518881349 @default.
- W2051258199 hasIssue "25" @default.
- W2051258199 hasLocation W20512581991 @default.