Monofunctionalized Gold Nanoparticles Stabilized by a Single Dendrimer Form Dumbbell Structures upon Homocoupling
The assembly of dumbbell structures as organic–inorganic hybrid materials is presented. Gold nanoparticles (NPs) with a mean diameter of 1.3 nm were synthesized in very good yields using a stabilizing dendrimer based on benzylic thioether subunits. The extended dendritic ligand covers the NP surface...
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| Veröffentlicht in: | Journal of the American Chemical Society 2012-09, Vol.134 (36), p.14674-14677 |
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| container_end_page | 14677 |
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| container_issue | 36 |
| container_start_page | 14674 |
| container_title | Journal of the American Chemical Society |
| container_volume | 134 |
| creator | Hermes, Jens Peter Sander, Fabian Fluch, Ulrike Peterle, Torsten Thompson, Damien Urbani, Raphael Pfohl, Thomas Mayor, Marcel |
| description | The assembly of dumbbell structures as organic–inorganic hybrid materials is presented. Gold nanoparticles (NPs) with a mean diameter of 1.3 nm were synthesized in very good yields using a stabilizing dendrimer based on benzylic thioether subunits. The extended dendritic ligand covers the NP surface and contains a peripheral protected acetylene, providing coated and monofunctionalized NPs. These NPs themselves can be considered as large molecules, and thus, applying a wet-chemical deprotection/oxidative acetylene coupling protocol exclusively provides dimers of NPs interlinked by a diethynyl bridge. The concept not only enables access to novel organic/inorganic hybrid architectures but also promises new approaches in labeling technology. |
| doi_str_mv | 10.1021/ja306253t |
| format | Article |
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| title | Monofunctionalized Gold Nanoparticles Stabilized by a Single Dendrimer Form Dumbbell Structures upon Homocoupling |
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