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Título: | Stability of radical-functionalized gold surfaces by self-assembly and on-surface chemistry |
Autor: | Junghoefer, Tobias; Nowik-Boltyk, Ewa Malgorzata; Sousa, J. Alejandro de; Giangrisostomi, Erika; Ovsyannikov, Ruslan; Chasse, Thomas; Veciana, Jaume CSIC ORCID CVN; Mas Torrent, Marta CSIC ORCID; Rovira, Concepció CSIC ORCID; Crivillers, Núria CSIC ORCID; Casu, Maria Benedetta | Palabras clave: | X-ray photoelectron Energy-level alignment Organic radicals Thin films |
Fecha de publicación: | 14-sep-2020 | Editor: | Royal Society of Chemistry (UK) | Citación: | Chemical Science 11(34): 9162-9172 (2020) | Resumen: | We have investigated the radical functionalization of gold surfaces with a derivative of the perchlorotriphenylmethyl (PTM) radical using two methods: by chemisorption from the radical solution and by on-surface chemical derivation from a precursor. We have investigated the obtained self-assembled monolayers by photon-energy dependent X-ray photoelectron spectroscopy. Our results show that the molecules were successfully anchored on the surfaces. We have used a robust method that can be applied to a variety of materials to assess the stability of the functionalized interface. The monolayers are characterized by air and X-ray beam stability unprecedented for films of organic radicals. Over very long X-ray beam exposure we observed a dynamic nature of the radical–Au complex. The results clearly indicate that (mono)layers of PTM radical derivatives have the necessary stability to withstand device applications. | Versión del editor: | http://dx.doi.org/10.1039/D0SC03399E | URI: | http://hdl.handle.net/10261/233175 | ISSN: | 2041-6520 |
Aparece en las colecciones: | (ICMAB) Artículos |
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Junghoefer_ChemSci_2020_editorial.pdf | Artículo principal | 2,63 MB | Adobe PDF | Visualizar/Abrir |
Junghoefer_ChemSci_2020_suppl_editorial.pdf | Información complementaria | 666,72 kB | Adobe PDF | Visualizar/Abrir |
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