Design, synthesis of novel unsymmetrical and NIR-emissive BF2 complexes and application in hydrazine detection
文献类型： 外文期刊
作者： Xie, Furong 1 ; Zhang, Yiyi 1 ; Wang, Lingyun 1 ; Ran, Xueguang 2 ; Cao, Derong 1 ;
作者机构： 1.South China Univ Technol, Sch Chem & Chem Engn, Key Lab Funct Mol Engn Guangdong Prov, Guangzhou 510641, Peoples R China
2.Guangdong Acad Agr Sci, Inst Anim Sci, State Key Lab Livestock & Poultry Breeding, Minist Agr,Key Lab Anim Nutr & Feed Sci South Chin, Guangzhou 510641, Peoples R China
关键词： Diketopyrrolopyrrole; Synthesis; BF 2 complex; NIR-Emissive; Hydrazine detection
期刊名称：DYES AND PIGMENTS （ 影响因子：4.2； 五年影响因子：3.8 ）
ISSN： 0143-7208
年卷期： 2025 年 243 卷
页码：
收录情况： SCI
摘要： We report a facile synthetic route towards novel unsymmetrical and NIR-emissive BF2 complexes (PPAB1-Cy1, PPAB1-Cy2 and PPAB1-Cy3) from diketopyrrolopyrrole (DPP) as a starting material. The outstanding character such as high molar extinction coefficient (up to 1.31*105 M-1cm-1), large Stokes shift and high fluorescence quantum yield was obtained. Moreover, PPAB1-Cy1 showed highly efficient detection towards hydrazine, leading to excellent sensing performances (a low limit of detection of 4.53 nM, fast response, good selectivity, and dual colormetric/ratiometic fluorescence signals). The sensing mechanism revealed that hydrazine-triggered elimination of acrylonitrile group, multiple B-N detachment and hydrolysis of C--N would synergistically occur between PPAB1-Cy1 and hydrazine, leading to less conjugated products. Furthermore, PPAB1-Cy1 could detect hydrazine content in real samples (soil, lake water and tap water) with good recovery rate. The quantitative detection and analysis of hydrazine vapor/solution or hydrazine contaminated sandy soil with PPAB1-Cy1 loaded filter paper, sponge, or silica gel via a smartphone application.
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