Dong Cheul Han, Heesang Kim, Chang-Lyoul Lee, Giseop Kwak
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Mechanically tunable fluorescence emission and patterned image of a conjugated polymer with an intramolecular stacking structure in an elastomeric silicone rubber matrix
A hybrid film that exhibits reversible fluorescence (FL) is prepared by embedding a conjugated polymer, having an intramolecular stacking structure of the side phenyl rings, in a highly dispersed state into a silicone elastomer. The hybrid film experiences significant FL quenching during stretching and restores its original FL when the external stress is removed. In particular, the hybrid film manufactured using a shadow-masked, plasma-treated silicone elastomer provides a high-resolution FL image, which disappears when the film is stretched and reappears when the external stress is removed. The hybrid film can be applied as a strain-gauge sensor or a security film with embedded images that can be mechanically erased and regenerated.
期刊介绍：
"Polymer Bulletin" is a comprehensive academic journal on polymer science founded in 1988. It was founded under the initiative of the late Mr. Wang Baoren, a famous Chinese chemist and educator. This journal is co-sponsored by the Chinese Chemical Society, the Institute of Chemistry, and the Chinese Academy of Sciences and is supervised by the China Association for Science and Technology. It is a core journal and is publicly distributed at home and abroad.
"Polymer Bulletin" is a monthly magazine with multiple columns, including a project application guide, outlook, review, research papers, highlight reviews, polymer education and teaching, information sharing, interviews, polymer science popularization, etc. The journal is included in the CSCD Chinese Science Citation Database. It serves as the source journal for Chinese scientific and technological paper statistics and the source journal of Peking University's "Overview of Chinese Core Journals."
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