Photolabile Ultrathin Polymer Films for Spatially Defined Attachment of Nano Elements

摘要

Photolabile terpolymers have been designed and used to prepare thin organic films covalently attached to glass and silicon substrates. For this, terpolymers containing the photolabile and charged diazosulfonate units, and on the other hand photolabile protected amino functions, as well as anchoring groups have been synthesized via free radical polymerization. Thin films from these terpolymers were structured imagewise by laser light irradiation in order to create defined functional areas at the template surface ready for further modification and attachment of nanostructures. The selective decomposition and deprotection, respectively, was verified by UV-imaging and selective modification reactions using gold colloids and fluorescence labeling.