乙烯醇
静电纺丝
膜
荧光
纳米纤维
材料科学
化学工程
磺酸盐
聚合物
纳米技术
化学
复合材料
工程类
物理
冶金
量子力学
钠
生物化学
作者
Le Xu,Xi Liu,Jiao Jia,Hao Wu,Juan Xie,Yongtang Jia
出处
期刊:Molecules
[MDPI AG]
日期:2022-01-14
卷期号:27 (2): 520-520
被引量:4
标识
DOI:10.3390/molecules27020520
摘要
Accurately and sensitively sensing and monitoring the pH in the environment is a key fundamental issue for human health. Nanomaterial and nanotechnology combined with fluorescent materials can be emerged as excellent possible methods to develop high-performance sensing membranes and help monitor pH. Herein, a series of fluorescent nanofiber membranes (NFMs) containing poly-1,8-naphthimide derivative-3-[dimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azaniumyl]propane-1-sulfonate (PNI-SBMA) are fabricated by electrospinning the solution of PNI-SBMA blended with poly(vinyl alcohol) (PVA). The surfactant-like functionalities in side chains of PNI-SBMA endow the NFMs with outstanding hydrophilicity, and the naphthimide derivatives are sensitive to pH by photoinduced electron transfer effect, which contribute to highly efficient pH fluorescence sensing applications of NFMs. Specifically, the PNI-SBMA/PVA NFM with a ratio of 1:9 (NFM2) shows high sensitivity and good cyclability to pH. This work demonstrates an effective strategy to realize a fluorescent sensor NFM that has a fast and sensitive response to pH, which will benefit its application of pH sensor monitoring in the water treatment process.
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