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The sensing performance toward taxifolin and lithium storage property based on nickel-metal organic frameworks and carbon nanotubes composite
Inorganic Chemistry Communications ( IF 4.4 ) Pub Date : 2021-01-18 , DOI: 10.1016/j.inoche.2021.108446
Yuandong Xu , Chaoyang Dong , Danqing Li , Peiqi Liu , Qiumin Cao , Yangang Sun , Yajun Wei , Yongjuan Lu , Jing Yu , Xia Zhang

Nickel-based metal organic framework (Ni-MOF) and carbon nanotubes composite (Ni-MOF/CNTs) is constructed via in situ self-assembly of Ni-MOF in the presence of CNTs solution. The obtained electrode (Ni-MOF/CNTs) exhibits sensitive response toward the detection of taxifolin by significantly enhancing the redox peak currents and decreasing the peak-to-peak separation. Under the selected conditions, the peak current linearly relates with taxifolin concentration in the range of 4.0 × 10−8 ~ 1.0 × 10−5 mol L−1 with the detection limit of 1.33 × 10−8 mol L−1 (S/N = 3). Otherwise, the lithium storage results reveal that Ni-MOF/CNTs with enhanced conductivity exhibits benign cycling stability and rate capability, with coulomb efficiency around 100%. This Ni-MOF/CNTs electrode may lay the foundation for the Ni-MOF based materials in electrochemical application.



中文翻译:

镍金属有机骨架和碳纳米管复合材料对滑石粉的感测性能和锂的存储性能

镍基金属有机骨架(Ni-MOF)和碳纳米管复合材料(Ni-MOF / CNTs)是在CNTs溶液存在下通过Ni-MOF的原位自组装而构建的。所获得的电极(Ni-MOF / CNTs)通过显着增强氧化还原峰电流并减少峰-峰分离,对检测滑石粉表现出灵敏的响应。在所选条件下,峰值电流与滑石粉浓度在4.0×10 -8〜1.0  ×10 -5 mol L -1范围内线性相关,检出限为1.33×10 -8 mol L -1(S / N = 3)。否则,锂存储结果表明,具有增强的电导率的Ni-MOF / CNT表现出良性的循环稳定性和倍率性能,库仑效率约为100%。Ni-MOF / CNTs电极可为电化学应用中基于Ni-MOF的材料奠定基础。

更新日期:2021-02-19
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