Reversible photoswitching of azobenzene-based monolayers physisorbed on a mica surface

The formation of compact and large-scale self-assembled monolayers (SAMs) adsorbed on a mica surface has been achieved by insertion of alkyl chains on azobenzene derivatives, leading to strong intermolecular van der Waals interactions and hydrogen bonding. The reversible photoswitching of monolayers...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 26(2010), 2 vom: 19. Jan., Seite 943-9
1. Verfasser: El Garah, Mohamed (VerfasserIn)
Weitere Verfasser: Palmino, Frank, Cherioux, Frederic
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Aluminum Silicates Azo Compounds Membranes, Artificial azobenzene F0U1H6UG5C mica V8A1AW0880
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520 |a The formation of compact and large-scale self-assembled monolayers (SAMs) adsorbed on a mica surface has been achieved by insertion of alkyl chains on azobenzene derivatives, leading to strong intermolecular van der Waals interactions and hydrogen bonding. The reversible photoswitching of monolayers was investigated by monitoring the variation of the thickness of the SAMs during the cis-trans isomerization of the azobenzene cores with an atomic force microscope (AFM). The absence of covalent bonds between molecules and substrate induces a molecular diffusion which leads to the complete isomerization of the molecules constituting the SAMs 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a azobenzene  |2 NLM 
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700 1 |a Palmino, Frank  |e verfasserin  |4 aut 
700 1 |a Cherioux, Frederic  |e verfasserin  |4 aut 
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