Fluorescent litmus film for detecting acid vapors: free-standing and robust AIE sensing film fabricated by photopolymerization of self-assembled hierarchical triphenylamine-based gelators
作者:Won-Jin Yoon、Seungchul Yang、Junhwa Jang、Mintaek Oh、Minwoo Rim、Hyeyoon Ko、Jahyeon Koo、Seok-In Lim、Yu-Jin Choi、Kwang-Un Jeong
DOI:10.1039/d2tc02066a
日期:——
human damage caused by harmful vapors emitted throughout the industry, the detection of toxic vapors such as acid vapors is urgently required. Recognizing acid vapor leaks is particularly difficult due to their characteristics such as colorlessness, high diffusion coefficient, and high toxicity. Therefore, there is a great demand for the development of a detection litmus film with excellent resistance to
为应对整个行业排放的有害蒸气对人体造成的伤害,迫切需要对酸性蒸气等有毒蒸气进行检测。由于其无色、高扩散系数和高毒性等特性,识别酸蒸汽泄漏特别困难。因此,迫切需要开发一种具有优异耐酸性以及具有快速响应和恢复率的酸蒸气泄漏可视化的检测石蕊膜。为了满足这些要求,通过化学连接发光三苯胺 (TPA) 核心和可光聚合的甲基丙烯酸酯官能化柔性烷基链,新合成了一种程序化荧光团 (TPA-3MA) 凝胶剂。通过 TPA-3MA (2 wt%) 在甲基丙烯酸己酯 (HMA) 单体溶剂中的凝胶化和随后的光聚合制备具有高机械稳定性的荧光石蕊膜。由自组装 TPA-3MA 纳米纤维组成的独立且坚固的石蕊膜显示出优异的酸检测性能和长期稳定性。这项研究可能为安全标签和化学传感器的开发提供一个多功能平台。