Optical properties and charge distribution in rod-shape DNA-silver cluster emitters
While the atomic structure of DNA_Agn clusters remains unknown many efforts have been made to understand the photophysical properties of this type of systems. It is known that partial oxidation of the silver cluster is necessary for generation of fluorescent emitters. In this sense, the rod-shape mo...
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| Veröffentlicht in: | Physical chemistry chemical physics : PCCP 2018, Vol.20 (35), p.22510-22516 |
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| creator | Taccone, Martín I Berdakin, Matías Pino, Gustavo A Sánchez, Cristián G |
| description | While the atomic structure of DNA_Agn clusters remains unknown many efforts have been made to understand the photophysical properties of this type of systems. It is known that partial oxidation of the silver cluster is necessary for generation of fluorescent emitters. In this sense, the rod-shape model proposed by Gwinn and coworkers (D. Schultz, K. Gardner, S. S. R. Oemrawsingh, N. Markeševic, K. Olsson, M. Debord, D. Bouwmeester, and E. Gwinn, Adv. Mater., 2013, 25, 2797-2803), based on the idea that a neutral rod is generated with Ag+ acting as a "glue" in between the neutral rod and the DNA bases, is a good approximation in order to explain experimental results. With the aim to shed light towards the understanding of these systems, we explore the electronic dynamics and charge distribution in zigzag rod-shape DNA_Agn clusters, using the Ag0/Ag+ stoichiometry found experimentally. |
| doi_str_mv | 10.1039/c8cp03895c |
| format | Article |
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It is known that partial oxidation of the silver cluster is necessary for generation of fluorescent emitters. In this sense, the rod-shape model proposed by Gwinn and coworkers (D. Schultz, K. Gardner, S. S. R. Oemrawsingh, N. Markeševic, K. Olsson, M. Debord, D. Bouwmeester, and E. Gwinn, Adv. Mater., 2013, 25, 2797-2803), based on the idea that a neutral rod is generated with Ag+ acting as a "glue" in between the neutral rod and the DNA bases, is a good approximation in order to explain experimental results. 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It is known that partial oxidation of the silver cluster is necessary for generation of fluorescent emitters. In this sense, the rod-shape model proposed by Gwinn and coworkers (D. Schultz, K. Gardner, S. S. R. Oemrawsingh, N. Markeševic, K. Olsson, M. Debord, D. Bouwmeester, and E. Gwinn, Adv. Mater., 2013, 25, 2797-2803), based on the idea that a neutral rod is generated with Ag+ acting as a "glue" in between the neutral rod and the DNA bases, is a good approximation in order to explain experimental results. 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It is known that partial oxidation of the silver cluster is necessary for generation of fluorescent emitters. In this sense, the rod-shape model proposed by Gwinn and coworkers (D. Schultz, K. Gardner, S. S. R. Oemrawsingh, N. Markeševic, K. Olsson, M. Debord, D. Bouwmeester, and E. Gwinn, Adv. Mater., 2013, 25, 2797-2803), based on the idea that a neutral rod is generated with Ag+ acting as a "glue" in between the neutral rod and the DNA bases, is a good approximation in order to explain experimental results. With the aim to shed light towards the understanding of these systems, we explore the electronic dynamics and charge distribution in zigzag rod-shape DNA_Agn clusters, using the Ag0/Ag+ stoichiometry found experimentally.</abstract><cop>England</cop><pub>Royal Society of Chemistry</pub><pmid>30140828</pmid><doi>10.1039/c8cp03895c</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-6795-2693</orcidid><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Atomic structure Charge distribution Clusters Color Deoxyribonucleic acid DNA DNA - chemistry Emitters Fluorescence Light Models, Molecular Nanotubes - chemistry Nucleic Acid Conformation Optical properties Oxidation Oxidation-Reduction Silver Silver - chemistry Spectrophotometry Stoichiometry |
| title | Optical properties and charge distribution in rod-shape DNA-silver cluster emitters |
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