期刊
CHEMICAL SCIENCE
卷 11, 期 34, 页码 9162-9172出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0sc03399e
关键词
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资金
- Spanish Ministry project [FANCYCTQ2016-80030-R, GENESIS PID2019-111682RB-100]
- Generalitat de Catalunya [2017SGR918]
- Spanish Ministry of Economy and Competitiveness, through the Severo Ochoa Programme for Centers of Excellence in RD [SEV-2015-0496]
- CSIC [LINKA20128]
- CIBERBBN
- German Research Foundation (DFG) [CA852/11-1]
- HZB
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.
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