Effects of optical trapping and liquid surface deformation on the laser microdeposition of a polymer assembly in solution

A polymer microassembly is formed by focusing a near-infrared (NIR) laser beam in a thin film of a polymer solution. We have investigated the mechanism of laser microdeposition of a polyfluorene assembly by measuring the surface deformation of the solution film and the morphology of the deposited as...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 23(2007), 12 vom: 05. Juni, Seite 6725-9
1. Verfasser: Nabetani, Yu (VerfasserIn)
Weitere Verfasser: Yoshikawa, Hiroyuki, Grimsdale, Andrew C, Müllen, Klaus, Masuhara, Hiroshi
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a A polymer microassembly is formed by focusing a near-infrared (NIR) laser beam in a thin film of a polymer solution. We have investigated the mechanism of laser microdeposition of a polyfluorene assembly by measuring the surface deformation of the solution film and the morphology of the deposited assembly. It is clearly observed that a rupture is formed at the laser focus in the solution film by using laser interferometric imaging. The time necessary for the rupture formation and the volume of the deposited microassembly are analyzed as a function of laser power. Experimental results suggest that the solution surface deformation induced by local laser heating and optical trapping effects determined the volume of the laser microdeposition. By combining this method with multiple optical trapping, a polymer microassembly with a polygonal morphology is formed on the glass substrate 
650 4 |a Journal Article 
700 1 |a Yoshikawa, Hiroyuki  |e verfasserin  |4 aut 
700 1 |a Grimsdale, Andrew C  |e verfasserin  |4 aut 
700 1 |a Müllen, Klaus  |e verfasserin  |4 aut 
700 1 |a Masuhara, Hiroshi  |e verfasserin  |4 aut 
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