Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 17, Pages 4465-4468Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201310714
Keywords
conducting materials; gas sensors; paper devices; polymers; photo-annealing
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Funding
- National Natural Science Foundation of China [51373197]
- Trans-Century Training Programme Foundation for the Talents by the State Education Commission [NCET-12-0530]
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application (Soochow University)
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A straightforward photo-annealing approach was developed for building functional polymer layers on paper. Conducting polyaniline with the ability for photothermal conversion can be readily annealed by near-infrared light. The annealed polymers become both insulating and hydrophobic. Selective photo-annealing produces a functional layer with patterned conductive arrays. This material exhibits real-time response to ammonium gas. Complete photo-annealing preserves the porous structure but changes the wettability of the polyaniline-nanofiber film.
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