期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 31, 期 3, 页码 270-274出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200900662
关键词
films; fluorescence; polydiacetylene; replica-molding; thermochromic transition
资金
- ERC [R11-2007-045-03004-0]
- National Research Laboratory (NRL) [R0A-2007-000-20028-0, 20090083161]
- Korean Ministry of Education, Science and Technology (MEST)
- National Research Foundation of Korea [R0A-2007-000-20028-0, 과C6A1908, 2010-0009903, 2007-0056950, 2008-0060144] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Functional three-dimensional (3D) micropatterns of diacetylene supramolecules embedded in a host polymer have been successfully fabricated by a replica-molding (REM) technique. Dimensional reduction as a result of liquid evaporation during the curing process does not affect the conformational features of the transferred patterns. Polymerization of the diacetylene vesicles using 2 54 nm UV-light irradiation from the back-side of the transparent substrate induces blue colored polydiacetylene (PDA) micro-images. Interestingly, the polymerization selectively occurs in the molded areas because of the sub-300 nm light blocking property of SU-8. 3D fluorescence patterns are readily obtained by heat treatment of the blue images on the film.
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