期刊
BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY
卷 11, 期 -, 页码 335-347出版社
BEILSTEIN-INSTITUT
DOI: 10.3762/bjoc.11.39
关键词
band-gap engineering; click-chemistry; conducting polymers; electropolymerization; Raman spectroscopy; surface functionalization
资金
- DFG
- MINECO project [CTQ2012-33733]
- Junta Andalucia [P09_FQM-4708]
- Junta de Andalucia
- MICINN
The electrocopolymerization of 3,4-ethylenedioxythiophene (EDOT) with the branched thiophene building block 2,2':3',2 ''-terthiophene (3T) is presented as a versatile route to functional polymer films. Comparisons to blend systems of the respective homopolymers PEDOT and P3T by in situ spectroelectrochemistry and Raman spectroscopy prove the successful copolymer formation and the access to tailored redox properties and energy levels. The use of EDOT-N-3 as co-monomer furthermore allows modifications of the films by polymer analogous reactions. Here, we exemplarily describe the post-functionalization with ionic moieties by 1,3-dipolar cycloaddition (click-chemistry) which allows to tune the surface polarity of the copolymer films from water contact angles of 140 degrees down to 40 degrees.
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