Steerable mass transport in a photoresponsive system for advanced anticounterfeiting.

ABSTRACT: Numerous anticounterfeiting platforms using photoresponsive materials have been designed to improve information security, enabling applications in anticounterfeiting technology. However, fabricating sophisticated micro/nanostructures using bidirectional mass transport to achieve advanced anticounterfeiting remains challenging. Here, we propose one strategy to achieve steerable mass transport in a photoresponsive system with the assistance of solvent vapor at room temperature. Upon optimizing the host-guest ratio and the width of photoisomerized areas, wettability gradient is acquired just photo-patterning once, then bidirectional mass transport is realized due to the competition of mass transport induced by surface energy gradient of the material itself and flow of the solvent on the film

SUBMITTER: Ji Y 

PROVIDER: S-EPMC10826315 | biostudies-literature | 2024 Feb

REPOSITORIES: biostudies-literature