Polymer brush-assisted microcontact printing: using a tailor-made polydimethylsiloxane (PDMS) stamp for precise patterning of rough surfaces

• DOI: 10.1039/d3py01036h
• Publication Date: 2023-12-20T07:41:25Z
• Authors: Nazim Pallab; Stefan Reinicke; Johannes Gurke; Rainer Rihm; Sergio Kogikoski; Matthias Hartlieb; Martin Reifarth
• Keywords: Polydimethylsiloxane; Microcontact Printing; PDMS stamp; Soft Lithography; Polymer brush

We present a PDMS-based stamp featuring xanthates within its framework, to graft polymer brushes from surface. The demonstrates high efficacy of polymer-supported μCP, but does not show leakage oligomeric PDMS, which represents common source contamination in soft lithography.