Key Laboratory of Molecular Engineering of Polymers of Ministry of Education, Department of Macromolecular Science, and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China.
Chem Soc Rev. 2010 Nov;39(11):4244-57. doi: 10.1039/c001151g. Epub 2010 Sep 28.
Conjugated polymers have been investigated for a number of applications in optoelectronics and sensing due to their important electronic and optical properties. For instance, polydiacetylene (PDA) may change color in response to external stimuli and has been extensively explored as a material for chromatic sensors. However, the practical applications of PDA materials have been largely hampered by their irreversible chromatic transitions under limited stimuli such as temperature, pH, and chemical. As a result, much effort has been paid to improve the chromatic reversibility and increase the scope of external stimuli for PDA. In this tutorial review, the recent development of PDA materials which show reversible chromatic transition and respond to new stimuli including light and electrical current has been described.
共轭聚合物由于其重要的电子和光学性质，在光电子学和传感等领域得到了广泛的研究。例如，聚二乙炔（PDA）可能会对外界刺激做出颜色变化响应，因此被广泛探索作为显色传感器的材料。然而，PDA 材料的实际应用受到其在有限刺激下，如温度、pH 值和化学物质等，不可逆的颜色转变的限制。因此，人们付出了很大的努力来提高 PDA 的颜色可逆性，并扩大外部刺激的范围。在本综述中，描述了 PDA 材料的最新发展，这些材料表现出可逆的颜色转变，并对包括光和电流在内的新刺激做出响应。
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