Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 145, Issue 46, Pages 25274-25282Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.3c08770
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Using living crystallization-driven self-assembly, we successfully fabricated controlled-size polymeric 2D platelets and achieved surface modification in the third dimension for these platelets. This method offers unprecedented spatial control, allowing selective regulation of height and fluorescence properties of the nanostructures.
The decoration of 2D nanostructures using heteroepitaxial growth is of great importance to achieve functional assemblies employed in biomedical, electrical, and mechanical applications. Although the functionalization of polymers before self-assembly has been investigated, the exploration of direct surface modification in the third dimension from 2D nanostructures has, to date, been unexplored. Here, we used living crystallization-driven self-assembly to fabricate poly-(epsilon-caprolactone)-based 2D platelets with controlled size. Importantly, surface modification of the platelets in the third dimension was achieved by using functional monomers and light-induced polymerization. This method allows us to selectively regulate the height and fluorescence properties of the nanostructures. Using this approach, we gained unprecedented spatial control over the surface functionality in the specific region of complex 2D platelets.
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