基于双连接器的金属有机框架:合成,晶体结构和作为电化学葡萄糖传感器的应用
1State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China.
Journal of the American Chemical Society
|November 13, 2020
概括
研究人员开发了一种用于金属有机框架的新型二材料. 这种新材料作为一种高灵敏度的非酶电化学葡萄糖传感器,
科学领域:
- 材料科学
- 电化学
- 纳米技术
背景情况:
- 具有金属协调组的氧化还原活性四瓦烯 (TTF) 核心的功能化使新的混合材料成为可能.
- 二 (dithiolene-dibenzoic acid) 作为有机TF基链接剂的无机类型.
研究的目的:
- 合成和表征二 (dithiolene-dibenzoic acid) 作为一个氧化还原活性链接剂.
- 使用这种链接器开发新的金属有机框架 (MOF).
- 评估产生的MOF作为电化学葡萄糖传感器的潜力.
主要方法:
- 合成二 (dithiolene-dibenzoic acid) 及其随后在离子的MOF形成中使用.
- 对MOF结构和电化学性质的描述.
- 用铜泡支的MOF电极 (1-CF) 通过一步式热水法进行测量.
主要成果:
- 合成了一种新的MOF,Mn2{Ni(C2S2(C6H4COO) 2) 2}(H2O) 2) ·2DMF (1),与已知的基于TTFTB的MOF同型.
- 与其有机类型相比,MOF 1 作为非酶性葡萄糖传感器表现出更高的性能.
- 1-CF电极具有高灵敏度 (27.9 A M−1 cm−2),宽线性检测范围 (2.0 × 10−6 到 2.0 × 10−3 M) 和低检测极限 (1.0 × 10−7 M).
结论:
- 二 (dithiolene-dibenzoic acid) 是一种用于构建功能MOF的多用途的氧化还原活性链接剂.
- 合成的MOF (1) 和其铜泡复合物 (1-CF) 对敏感且可靠的电化学葡萄糖检测具有显著的前景.
- [NiS4]核心的多重氧化状态是高效电催化氧化葡萄糖的关键.
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