期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 32, 期 8, 页码 637-643出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201000791
关键词
fluorescence; lithography; luminescence; photochemistry; switching device
资金
- Korea government (MEST) through the Active Polymer Center for Pattern Integration [R11-2007-050-00000-0]
- Seoul RBD Program [10816]
- Ministry of Education, Science and Technology [2010K001430]
- National Research Foundation of Korea [2007-0056502, 2010-50193, 과C6A1905] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A highly soluble poly(1,3,4-oxadiazole) (POD) substituted with long alkyl chains was examined for electrochemical fluorescence switching. The high solubility of the polymers enabled a simple fabrication of an electrochemical cell, which showed reversible fluorescence switching between dark (n-doping) and bright (neutral) states with a maximum on/off ratio of 2.5 and a cyclability longer than 1000 cycles. Photochemical cleavage of the oxadiazole in POD allowed photo-patterning of the POD film upon exposure to UV source. The patterned POD films displayed patterned image reversibly under a step potential of +1.8/-1.8V.
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