Covalently Sewing Dual-Sided Janus Coating via Photoiniferter Surface Chain Extension

Key Points

• The aim is to improve the interlayer interfaces of Janus coatings for better performance.
• Utilized visible-light photoiniferter
• Employed reversible addition-fragmentation chain transfer (RAFT) technique
• Focused on surface chain extension for dual-sided coatings
• Achieved strong substrate adhesion with improved hydrophobic properties
• Enhanced stability of interlayer interfaces in Janus coatings
• Demonstrated effective dual-functionality of coatings under various conditions