| 초록 |
Recently, micro/nanotextured surface have received much attention due to its wide range of applications in advanced photonics and surface science. However, previous fabrication approaches have been done only at the flat surface or top layer of the post (single-level), thus multi-level micro/nanotexturing has yet to be exploited: 'multi-level micro/nanotexturing' refers to selective inscription of distinct micro/nanotextured surface onto different heights of work surfaces in order to heterogeneously integrate various functional surfaces into a single composite. Herein, we present a generic strategy of multi-level micro/nanotexturing by using controlled photofluidic motion of azopolymer. Our method allows us to selectively inscribe distinct micro/nanotextures at different surface levels. As a selected exemplary, we heterogeneously integrate two distinct plasmonic properties into a single composite; this result could be used for a high-resolution microdisplay and security labeling. |
