Journal
MACROMOLECULES
Volume 42, Issue 12, Pages 4110-4117Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ma9001929
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Funding
- National Natural Science Foundation of China [50703075, 50773075, 50533040]
- Chinese Academy of Sciences
- National Basic Research Program of China [20066302900]
- Max Planck Society
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We prepare hydrogen-bonding complexes of the diacetylene derivatives 10,12-tricosadiynoic acid, 4,6-heptadecadiynoic acid, and ((E)-4-((4-(tricosa-10, 12-diynoyloxy)phenyl)diazenyl)benzoic acid and poly(4-vinylpyridine) in organic solvents. The complexes are spin-cast and form high-quality thin films, which can be photopolymerized and yield the blue phase of polydiacetylenes. A cross-linked network of the hydrogen-bonding complex is formed and shows improved stability to organic solvents. We demonstrate sensor capabilities for various organic solvents and gases by means of the blue-to-red color changes of polydiacetylenes. Based on the different solubility of the hydrogen-bonding complex before and after UV irradiation, photolithography can be employed to fabricate microstructures for polydiacetylene-based devices.
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