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EnglishA regular 2D array of crown molecules, which would spontaneously self-assemble into disordered molecular clusters, is obtained by exploiting a guest–host process, based on the chemical affinity between amino and carboxylic groups on a gold surface. First a carboxylic organic template is formed, which then serves as a host for amino-functionalized crown molecules. The amino-carboxylic interaction thereby drives the formation of a monolayer of guest molecules, regularly distributed at the nanometer scale, preventing their aggregation in unordered clusters observed on a bare gold surface. This method, which can be applied to other guest molecules, represents a novel route to overcome the shape-matching requirements of the standard guest–host architectures. Furthermore, it is intrinsically selective, due to the chemical nature of the anchoring process.
| Titolo: | Growth of regular nanometric molecular arrays on a functional 2D template based on a chemical guest-host approach |
| Autori: | COSSARO, ALBANO (Corresponding) |
| Data di pubblicazione: | 2018 |
| Stato di pubblicazione: | Pubblicato |
| Rivista: | |
| Abstract: | A regular 2D array of crown molecules, which would spontaneously self-assemble into disordered molecular clusters, is obtained by exploiting a guest–host process, based on the chemical affinity between amino and carboxylic groups on a gold surface. First a carboxylic organic template is formed, which then serves as a host for amino-functionalized crown molecules. The amino-carboxylic interaction thereby drives the formation of a monolayer of guest molecules, regularly distributed at the nanometer scale, preventing their aggregation in unordered clusters observed on a bare gold surface. This method, which can be applied to other guest molecules, represents a novel route to overcome the shape-matching requirements of the standard guest–host architectures. Furthermore, it is intrinsically selective, due to the chemical nature of the anchoring process. |
| Handle: | http://hdl.handle.net/11368/2927402 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1039/c7nr08017d |
| URL: | http://pubs.rsc.org/en/Content/ArticleLanding/2018/NR/C7NR08017D#!divAbstract |
| Appare nelle tipologie: | 1.1 Articolo in Rivista |
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| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| feng2018.pdf | Documento in Versione Editoriale | Copyright Editore | Administrator Richiedi una copia | |
| c7nr08017d1.pdf | Supporting information | Altro materiale allegato | Copyright Editore | Administrator Richiedi una copia |
