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A photo-annealing approach for building functional polymer layers on paper
Qiuping Qian1, Jian Wang, Feng Yan
1Department of Chemistry, Renmin University of China, Beijing, 100872 (China).
Abstract:
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.
