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The Fluorescence Behavior Studies and Applications of Two D-π-A Type Imidazolium Analogs
Beibei Zhai,Mohammad Kawsar Hossain,Ziwei Hu,Bing Liu,Wei Li,Chao Gao 대한화학회 2019 Bulletin of the Korean Chemical Society Vol.40 No.11
The fluorescence behaviors and applications of two water-soluble imidazolium analogs TPI-1 and TPI-2 with D-π-A structures have been studied. Compound TPI-1 possessed the aggregation-induced emission (AIE) effect, but TPI-2 not. Moreover, compound TPI-1 could serve as a fluorescence turn-on probe for detecting uridine-5'-triphosphate (UTP) in living cells by AIE mechanism, while TPI-2 was able to penetrate into the cell membranes and light up the living cells.
Haifeng Bian,Guoli Zhang,Qingxi Zhai,Yanyan Du,Yujie Ma,Beibei Yang,Shaochun Tang,Duan Bin,Xiangkang Meng,Hongbin Lu 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.122 No.-
Stainless steel (SS) is a promising material for designing bipolar plates (BPs), but their further applicationis limited by serious corrosion problems in the acidic environment. Ti3C2Tx is expected to be used for SSBPs coatings, while galvanic corrosion will occur after the damage of Ti3C2Tx coating. Herein, a PPY/Ti3C2Tx-AE double-layer coating (DC) is well-designed and prepared on 304SS BP, which is composedof an inner electropolymerized PPY layer and an outer Ti3C2Tx-acrylic epoxy layer. When tested in0.2 M HCl solution, the corrosion potential and corrosion current density of the DC are 38 mV and0.00927 lA cm2 respectively, which are superior to those of the PPY coating and the Ti3C2Tx coating. Moreover, the DC presents the best long-term stability among the three coatings. The excellent corrosionresistance is attributed to the barrier and anodic protection effects as well as the solution of galvanic corrosion. The new coating system provides a new insight into the design of DC coatings of SS BPs.