Fabrication of thermosensitive polymer nanopatterns through chemical lithography and atom transfer radical polymerization

Micro- and nanopatterns of thermosensitive poly(N-isopropylacrylamide) brush on gold substrate were prepared by using chemical lithography combined with surface-initiated atom transfer radical polymerization. Self-assembled monolayers of 4'-nitro-1, 1'-biphenyl-4-thiol were structured by c...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 23(2007), 7 vom: 27. März, Seite 3981-7
1. Verfasser: He, Qiang (VerfasserIn)
Weitere Verfasser: Küller, Alexander, Grunze, Michael, Li, Junbai
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Acrylic Resins Coated Materials, Biocompatible Sulfhydryl Compounds poly-N-isopropylacrylamide 25189-55-3 Gold 7440-57-5
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245 1 0 |a Fabrication of thermosensitive polymer nanopatterns through chemical lithography and atom transfer radical polymerization 
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520 |a Micro- and nanopatterns of thermosensitive poly(N-isopropylacrylamide) brush on gold substrate were prepared by using chemical lithography combined with surface-initiated atom transfer radical polymerization. Self-assembled monolayers of 4'-nitro-1, 1'-biphenyl-4-thiol were structured by chemical lithography which produced cross-linked 4'-amino-1,1'-biphenyl-4-thiol monolayer within a nitro-terminated matrix. The terminal amino groups in monolayers were bounded with the surface initiator bromoisobutyryl bromide. After polymerization, the smallest size can reach to 70-nm line width and dots. The thermosensitivity of poly(N-isopropylacrylamide) brushes is demonstrated by contact angle measurement and fluid atomic force microscopy. This fabrication approach allows creating spatially defined polymer patterns and provides a simple and versatile method to construct complex micro- and nanopatterned polymer brushes with spatial and topographic control in a single step 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a poly-N-isopropylacrylamide  |2 NLM 
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700 1 |a Küller, Alexander  |e verfasserin  |4 aut 
700 1 |a Grunze, Michael  |e verfasserin  |4 aut 
700 1 |a Li, Junbai  |e verfasserin  |4 aut 
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