Lu Xin, Zhang Zhidong, Sun Xuemei, Chen Peining, Zhang Jing, Guo Hui, Shao Zhengzhong, Peng Huisheng
State Key Laboratory of Molecular Engineering of Polymers , Department of Macromolecular Science , Laboratory of Advanced Materials , Fudan University , Shanghai 200438 , China . Email:
Chem Sci. 2016 Aug 1;7(8):5113-5117. doi: 10.1039/c6sc00414h. Epub 2016 Apr 14.
Chromatic polymers, such as polydiacetylene (PDA) that display color changes under stimulations, have been widely explored as sensors and displays. However, the PDA-based materials are generally rigid and irreversible in the chromatic transition. Herein, a flexible and stretchable PDA composite fiber is produced by incorporating peptide-modified PDA into aligned carbon nanotubes on an elastic fiber substrate. It performs a rapid and reversible chromatic transition in response to electrical current that can be repeated for 1000 cycles without fatigue. Due to their high flexibility and stretchability, these chromatic fibers can be integrated into different patterns and woven into smart textiles for displaying and sensing applications.
诸如聚二乙炔（PDA）之类的变色聚合物在刺激下会发生颜色变化，已被广泛用作传感器和显示器进行研究。然而，基于PDA的材料在颜色转变方面通常是刚性且不可逆的。在此，通过将肽修饰的PDA掺入弹性纤维基材上排列的碳纳米管中，制备出了一种柔性且可拉伸的PDA复合纤维。它能响应电流进行快速且可逆的颜色转变，可重复1000次循环而不产生疲劳。由于其高柔韧性和可拉伸性，这些变色纤维可被整合到不同图案中，并编织成智能纺织品用于显示和传感应用。
