Bimetallic silver-gold clusters by matrix-assisted laser desorption/ionization
Abstract Pure gold clusters (Aun+) were produced up to the cluster size of n = 100 by matrix-assisted laser desorption/ionization (MALDI). The mass spectrum of the resulting clusters showed alteration in the ion intensity at odd-even clusters size. On the other hand, intensity drops at cluster size...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Kéki, Sándor [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2004 |
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| Schlagwörter: |
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| Anmerkung: |
© American Society for Mass Spectrometry 2004 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of the American Society for Mass Spectrometry - Springer-Verlag, 1990, 15(2004), 10 vom: 01. Okt., Seite 1455-1461 |
|---|---|
| Übergeordnetes Werk: |
volume:15 ; year:2004 ; number:10 ; day:01 ; month:10 ; pages:1455-1461 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.jasms.2004.07.001 |
|---|
| Katalog-ID: |
OLC2097659047 |
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| 520 | |a Abstract Pure gold clusters (Aun+) were produced up to the cluster size of n = 100 by matrix-assisted laser desorption/ionization (MALDI). The mass spectrum of the resulting clusters showed alteration in the ion intensity at odd-even clusters size. On the other hand, intensity drops at cluster size predicted by the jellium model theory was also observed. Positively and negatively charged bimetallic silver-gold clusters were produced under MALDI conditions from the mixture of $ HAuCl_{4} $/silver trifluoroacetate and the 2-(4-hydroxyphenylazo)benzoic acid (HABA) matrix. A linear correlation was found between the intensity ratio of $ Au_{n} $Agm+ to $ Au_{n+1} $Agm−1+ cluster ions and the molar ratio of the gold to silver salt. It was observed that the composition and the distribution of the clusters can be varied with the molar ratio of the silver and gold salts. It was also found that the resulting cluster sizes obey the lognormal distribution. | ||
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10.1016/j.jasms.2004.07.001 doi (DE-627)OLC2097659047 (DE-He213)j.jasms.2004.07.001-p DE-627 ger DE-627 rakwb eng 530 VZ 11 ssgn Kéki, Sándor verfasserin aut Bimetallic silver-gold clusters by matrix-assisted laser desorption/ionization 2004 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Society for Mass Spectrometry 2004 Abstract Pure gold clusters (Aun+) were produced up to the cluster size of n = 100 by matrix-assisted laser desorption/ionization (MALDI). The mass spectrum of the resulting clusters showed alteration in the ion intensity at odd-even clusters size. On the other hand, intensity drops at cluster size predicted by the jellium model theory was also observed. Positively and negatively charged bimetallic silver-gold clusters were produced under MALDI conditions from the mixture of $ HAuCl_{4} $/silver trifluoroacetate and the 2-(4-hydroxyphenylazo)benzoic acid (HABA) matrix. A linear correlation was found between the intensity ratio of $ Au_{n} $Agm+ to $ Au_{n+1} $Agm−1+ cluster ions and the molar ratio of the gold to silver salt. It was observed that the composition and the distribution of the clusters can be varied with the molar ratio of the silver and gold salts. It was also found that the resulting cluster sizes obey the lognormal distribution. Magic Number Gold Cluster Silver Cluster Silver Salt Initial Molar Ratio Nagy, Lajos aut Deák, György aut Zsuga, Miklós aut Enthalten in Journal of the American Society for Mass Spectrometry Springer-Verlag, 1990 15(2004), 10 vom: 01. Okt., Seite 1455-1461 (DE-627)130977357 (DE-600)1073671-2 (DE-576)277732093 1044-0305 nnns volume:15 year:2004 number:10 day:01 month:10 pages:1455-1461 https://doi.org/10.1016/j.jasms.2004.07.001 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_40 GBV_ILN_70 GBV_ILN_168 GBV_ILN_4012 GBV_ILN_4125 GBV_ILN_4307 GBV_ILN_4313 AR 15 2004 10 01 10 1455-1461 |
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10.1016/j.jasms.2004.07.001 doi (DE-627)OLC2097659047 (DE-He213)j.jasms.2004.07.001-p DE-627 ger DE-627 rakwb eng 530 VZ 11 ssgn Kéki, Sándor verfasserin aut Bimetallic silver-gold clusters by matrix-assisted laser desorption/ionization 2004 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Society for Mass Spectrometry 2004 Abstract Pure gold clusters (Aun+) were produced up to the cluster size of n = 100 by matrix-assisted laser desorption/ionization (MALDI). The mass spectrum of the resulting clusters showed alteration in the ion intensity at odd-even clusters size. On the other hand, intensity drops at cluster size predicted by the jellium model theory was also observed. Positively and negatively charged bimetallic silver-gold clusters were produced under MALDI conditions from the mixture of $ HAuCl_{4} $/silver trifluoroacetate and the 2-(4-hydroxyphenylazo)benzoic acid (HABA) matrix. A linear correlation was found between the intensity ratio of $ Au_{n} $Agm+ to $ Au_{n+1} $Agm−1+ cluster ions and the molar ratio of the gold to silver salt. It was observed that the composition and the distribution of the clusters can be varied with the molar ratio of the silver and gold salts. It was also found that the resulting cluster sizes obey the lognormal distribution. Magic Number Gold Cluster Silver Cluster Silver Salt Initial Molar Ratio Nagy, Lajos aut Deák, György aut Zsuga, Miklós aut Enthalten in Journal of the American Society for Mass Spectrometry Springer-Verlag, 1990 15(2004), 10 vom: 01. Okt., Seite 1455-1461 (DE-627)130977357 (DE-600)1073671-2 (DE-576)277732093 1044-0305 nnns volume:15 year:2004 number:10 day:01 month:10 pages:1455-1461 https://doi.org/10.1016/j.jasms.2004.07.001 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_40 GBV_ILN_70 GBV_ILN_168 GBV_ILN_4012 GBV_ILN_4125 GBV_ILN_4307 GBV_ILN_4313 AR 15 2004 10 01 10 1455-1461 |
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10.1016/j.jasms.2004.07.001 doi (DE-627)OLC2097659047 (DE-He213)j.jasms.2004.07.001-p DE-627 ger DE-627 rakwb eng 530 VZ 11 ssgn Kéki, Sándor verfasserin aut Bimetallic silver-gold clusters by matrix-assisted laser desorption/ionization 2004 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Society for Mass Spectrometry 2004 Abstract Pure gold clusters (Aun+) were produced up to the cluster size of n = 100 by matrix-assisted laser desorption/ionization (MALDI). The mass spectrum of the resulting clusters showed alteration in the ion intensity at odd-even clusters size. On the other hand, intensity drops at cluster size predicted by the jellium model theory was also observed. Positively and negatively charged bimetallic silver-gold clusters were produced under MALDI conditions from the mixture of $ HAuCl_{4} $/silver trifluoroacetate and the 2-(4-hydroxyphenylazo)benzoic acid (HABA) matrix. A linear correlation was found between the intensity ratio of $ Au_{n} $Agm+ to $ Au_{n+1} $Agm−1+ cluster ions and the molar ratio of the gold to silver salt. It was observed that the composition and the distribution of the clusters can be varied with the molar ratio of the silver and gold salts. It was also found that the resulting cluster sizes obey the lognormal distribution. Magic Number Gold Cluster Silver Cluster Silver Salt Initial Molar Ratio Nagy, Lajos aut Deák, György aut Zsuga, Miklós aut Enthalten in Journal of the American Society for Mass Spectrometry Springer-Verlag, 1990 15(2004), 10 vom: 01. Okt., Seite 1455-1461 (DE-627)130977357 (DE-600)1073671-2 (DE-576)277732093 1044-0305 nnns volume:15 year:2004 number:10 day:01 month:10 pages:1455-1461 https://doi.org/10.1016/j.jasms.2004.07.001 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_40 GBV_ILN_70 GBV_ILN_168 GBV_ILN_4012 GBV_ILN_4125 GBV_ILN_4307 GBV_ILN_4313 AR 15 2004 10 01 10 1455-1461 |
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10.1016/j.jasms.2004.07.001 doi (DE-627)OLC2097659047 (DE-He213)j.jasms.2004.07.001-p DE-627 ger DE-627 rakwb eng 530 VZ 11 ssgn Kéki, Sándor verfasserin aut Bimetallic silver-gold clusters by matrix-assisted laser desorption/ionization 2004 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © American Society for Mass Spectrometry 2004 Abstract Pure gold clusters (Aun+) were produced up to the cluster size of n = 100 by matrix-assisted laser desorption/ionization (MALDI). The mass spectrum of the resulting clusters showed alteration in the ion intensity at odd-even clusters size. On the other hand, intensity drops at cluster size predicted by the jellium model theory was also observed. Positively and negatively charged bimetallic silver-gold clusters were produced under MALDI conditions from the mixture of $ HAuCl_{4} $/silver trifluoroacetate and the 2-(4-hydroxyphenylazo)benzoic acid (HABA) matrix. A linear correlation was found between the intensity ratio of $ Au_{n} $Agm+ to $ Au_{n+1} $Agm−1+ cluster ions and the molar ratio of the gold to silver salt. It was observed that the composition and the distribution of the clusters can be varied with the molar ratio of the silver and gold salts. It was also found that the resulting cluster sizes obey the lognormal distribution. Magic Number Gold Cluster Silver Cluster Silver Salt Initial Molar Ratio Nagy, Lajos aut Deák, György aut Zsuga, Miklós aut Enthalten in Journal of the American Society for Mass Spectrometry Springer-Verlag, 1990 15(2004), 10 vom: 01. Okt., Seite 1455-1461 (DE-627)130977357 (DE-600)1073671-2 (DE-576)277732093 1044-0305 nnns volume:15 year:2004 number:10 day:01 month:10 pages:1455-1461 https://doi.org/10.1016/j.jasms.2004.07.001 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_40 GBV_ILN_70 GBV_ILN_168 GBV_ILN_4012 GBV_ILN_4125 GBV_ILN_4307 GBV_ILN_4313 AR 15 2004 10 01 10 1455-1461 |
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Kéki, Sándor |
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10.1016/j.jasms.2004.07.001 |
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530 |
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bimetallic silver-gold clusters by matrix-assisted laser desorption/ionization |
| title_auth |
Bimetallic silver-gold clusters by matrix-assisted laser desorption/ionization |
| abstract |
Abstract Pure gold clusters (Aun+) were produced up to the cluster size of n = 100 by matrix-assisted laser desorption/ionization (MALDI). The mass spectrum of the resulting clusters showed alteration in the ion intensity at odd-even clusters size. On the other hand, intensity drops at cluster size predicted by the jellium model theory was also observed. Positively and negatively charged bimetallic silver-gold clusters were produced under MALDI conditions from the mixture of $ HAuCl_{4} $/silver trifluoroacetate and the 2-(4-hydroxyphenylazo)benzoic acid (HABA) matrix. A linear correlation was found between the intensity ratio of $ Au_{n} $Agm+ to $ Au_{n+1} $Agm−1+ cluster ions and the molar ratio of the gold to silver salt. It was observed that the composition and the distribution of the clusters can be varied with the molar ratio of the silver and gold salts. It was also found that the resulting cluster sizes obey the lognormal distribution. © American Society for Mass Spectrometry 2004 |
| abstractGer |
Abstract Pure gold clusters (Aun+) were produced up to the cluster size of n = 100 by matrix-assisted laser desorption/ionization (MALDI). The mass spectrum of the resulting clusters showed alteration in the ion intensity at odd-even clusters size. On the other hand, intensity drops at cluster size predicted by the jellium model theory was also observed. Positively and negatively charged bimetallic silver-gold clusters were produced under MALDI conditions from the mixture of $ HAuCl_{4} $/silver trifluoroacetate and the 2-(4-hydroxyphenylazo)benzoic acid (HABA) matrix. A linear correlation was found between the intensity ratio of $ Au_{n} $Agm+ to $ Au_{n+1} $Agm−1+ cluster ions and the molar ratio of the gold to silver salt. It was observed that the composition and the distribution of the clusters can be varied with the molar ratio of the silver and gold salts. It was also found that the resulting cluster sizes obey the lognormal distribution. © American Society for Mass Spectrometry 2004 |
| abstract_unstemmed |
Abstract Pure gold clusters (Aun+) were produced up to the cluster size of n = 100 by matrix-assisted laser desorption/ionization (MALDI). The mass spectrum of the resulting clusters showed alteration in the ion intensity at odd-even clusters size. On the other hand, intensity drops at cluster size predicted by the jellium model theory was also observed. Positively and negatively charged bimetallic silver-gold clusters were produced under MALDI conditions from the mixture of $ HAuCl_{4} $/silver trifluoroacetate and the 2-(4-hydroxyphenylazo)benzoic acid (HABA) matrix. A linear correlation was found between the intensity ratio of $ Au_{n} $Agm+ to $ Au_{n+1} $Agm−1+ cluster ions and the molar ratio of the gold to silver salt. It was observed that the composition and the distribution of the clusters can be varied with the molar ratio of the silver and gold salts. It was also found that the resulting cluster sizes obey the lognormal distribution. © American Society for Mass Spectrometry 2004 |
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| title_short |
Bimetallic silver-gold clusters by matrix-assisted laser desorption/ionization |
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Nagy, Lajos Deák, György Zsuga, Miklós |
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