Fabrication of aligned nanopatterns of block copolymers using convective self-assembly.
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초록
내용
The advancement of technology and devices has increased interest in the control of nanopatterns. Block copolymers offer a simple and low-cost method for fabricating large-area nanopatterns. These patterns can be aligned using external forces, such as electric fields, magnetic fields, shear forces, and centrifugal forces. In this study, we integrated the convection method for colloidal alignment with the self-assembly method of block copolymers for nanopattern alignment. By using convective self-assembly methods, we were able to fabricate and align nanopatterns in a single step. The process is simpler and reduces experimental time compared to alignment methods following solvent vapor annealing or thermal annealing. Our research proves that nanopatterns can be aligned fast and simply over large areas. We believe that by using the Convective-Self-Assembly method, both competitiveness and cost advantages in nanopattern fabrication and alignment can be achieved.