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Optically tunable and reconfigurable azobenzene photonic crystal

Cited 2 time in Web of Science Cited 2 time in Scopus
Authors
Lee, Jihye; Jeong, Yong-Cheol; Kim, Young Do; Choi, Jang Wook; Park, Jung-Ki
Issue Date
2014-06
Citation
Macromolecular Research, Vol.22 No.6, pp.606-612
Keywords
photonic crystalazobenzenephoto-responsible polymer
Abstract
The generation of three-dimensional (3D) nanoporous materials with methods that allow control of the shape and size is an important issue owing to its numerous applications to the areas of material sciences and nanophotonics. However, the methods typically used for fabricating nanoporous structures, such as self-assembly, direct writing, and interference lithography, cannot modify the structural morphologies much over a large area at the same time. In this work, we prepare azobenzene-based oligomer films with controllable pore sizes and shapes by means of directional photofluidization lithography. This strategy by using the photo-reconfiguration of oligomers enables an unprecedented degree of precise manipulation of structural features and the generation of hierarchical porosity in a three-dimensionally interconnected network.
ISSN
1598-5032
URI
http://hdl.handle.net/10371/164640
DOI
https://doi.org/10.1007/s13233-014-2098-6
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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