期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 24, 期 7, 页码 1522-1527出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201705753
关键词
gels; photo-cleavage; photo-patterning; rotaxanes; templates
资金
- Ministry of Science and Technology (Taiwan) [MOST-106-2628-M-002-002]
- National Taiwan University [NTU-106R880202]
[2]Rotaxanes displaying one-off photo-triggerable gelation properties have been synthesized through the clipping of photo-degradable macrocycles around the amide or urea functionalities of organo- and hydrogelators. Irradiation with UV-light cleaved the photo-labile macrocyclic components from the [2]rotaxanes, resulting in the free gelators being released into solution and, thereafter, forming gels. When the rate of gelation was sufficiently rapid, selective gelation of specific regions of the solution-and, indeed, photo-patterning of the solution-was possible.
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