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Transition‐Metal Phosphide/Sulfide Nanocomposites for Effective Electrochemical Non‐Enzymatic Detection of Hydrogen Peroxide
ChemElectroChem ( IF 4 ) Pub Date : 2020-07-08 , DOI: 10.1002/celc.202000867
Caifu Wang 1 , Zhonghai Zhang 1
Affiliation  

In this work, we clearly demonstrate the use of a transition‐metal phosphide/sulfide nanocomposite to set up an electrochemical reduction analysis platform for the sensitive and selective non‐enzymatic detection of H2O2. With the help of a macroporous nickel foam (NF) as the substrate, the noble‐metal‐free electrocatalyst nanocomposites of Ni3P and Ni3S2 were directly synthesized in one step on the surface of the NF. The Ni3P‐Ni3S2/NF based electrochemical sensors present excellent electrocatalytic activity for H2O2 reduction with a detection limit of approximately 0.3 μM and a large detection range, which guarantees the possibility of sensitive and reliable detection of H2O2.

中文翻译:

过渡金属磷酸盐/硫化物纳米复合材料,可有效地电化学非酶法检​​测过氧化氢

在这项工作中,我们清楚地证明了使用过渡金属磷化物/硫化物纳米复合材料建立电化学还原分析平台,用于H 2 O 2的灵敏和选择性非酶检测。借助大孔泡沫镍(NF)作为底物,一步一步地在NF表面直接合成了Ni 3 P和Ni 3 S 2的无贵金属电催化剂纳米复合材料。基于Ni 3 P‐Ni 3 S 2 / NF的电化学传感器对H 2 O 2具有出色的电催化活性H 2 O 2的检出限约为0.3μM,检出范围大,可以确保灵敏可靠地检测H 2 O 2
更新日期:2020-08-17
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