| 以9-蒽醛为荧光基团的吡唑啉衍生物荧光探针对Fe3+和Cu2+的检测 |
| Detection of Fe3+ and Cu2+ by Fluorescence Probe of Pyrazoline Derivatives with 9-Anthralaldehyde as Fluorescent Group |
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| 摘要: 以9-蒽醛为荧光基团，吗啉环和吡唑环为识别基团，合成了一种新型荧光探针1，5-二苯基-3-（10-（吗啉甲基）蒽-2-基）吡唑啉（PMAP），利用1H NMR、13C NMR和单晶衍射表征其结构，通过荧光发射光谱和紫外可见吸收光谱研究其离子识别性能。结果表明，探针PMAP对Fe3+、Cu2+具有良好的识别效果，荧光量子产率分别从0.14降到0.05和0.04，溶液颜色从淡黄色变为蓝色。PMAP与Fe3+/Cu2+以1：1的化学计量比形成配合物，检测限约为1 μmol·L-1。同时，干扰实验表明PMAP具有良好的抗干扰性能。在实际样品中的应用表明，PMAP传感器能有效地检测实际水样中的Cu2+和Fe3+。另外，根据Fe3+、Cu2+和H+不同组合时PMAP的量子产率构建了分子水平上的三输入NOR逻辑门电路。 |
| 关键词: 吡唑啉衍生物 单晶 铁离子 铜离子 |
| 基金项目: 国家自然科学基金（No.81801768，81871440）、教育部产学研合作协同育人项目（No.201801201004，201801332045，201801272041）和南充市科学技术局项目（No.18SXHZ0133）资助。 |
| Abstract: A novel fluorescent sensor 1,5-diphenyl-3-(10-(morpholinemethyl)anthracene-2-yl)pyrazoline (PMAP) was synthesized successfully, and characterized by 1H NMR and 13C NMR spectracopy and X ray single crystal diffraction. Selective recognition of PMAP for cations was investigated by fluorescence emission spectrum and ultraviolet-visible absorption spectrum.The results showed that the PMAP exhibited high selective and sensitive to Fe3+ (for a ca. 45 nm red shift) and Cu2+, showing color change from pale yellow to blue and the fluorescence quantum yield decreased from 0.14 to 0.05 and 0.04, respectively. The sensor demonstrated a 1:1 binding stoichiometry to Fe3+/Cu2+ as well as a low detection limit of ca. 1 μmol·L-1, and interference experiments revealed that this sensor had an excellent anti-interference ability. Furthermore, the sensor can be effectively applied for the detection of Cu2+ and Fe3+ in practical water samples. In addition, a three-input NOR logic gate circuit was constructed at the molecular level by the quantum yield of PMAP for Fe3+, Cu2+and H+ in different combinations. |
| Keywords: pyrazoline derivative single crystal iron ion copper ion |
| 投稿时间：2020-05-02 修订日期：2020-12-18 |
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| 罗杰伟,赵波,张仕禄,贾飞云,刘军.以9-蒽醛为荧光基团的吡唑啉衍生物荧光探针对Fe3+和Cu2+的检测[J].无机化学学报,2021,37(3):421-430. |
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