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Ultra-sensitive detection of multiplexed heavy metal ions by MOF-derived carbon film encapsulating BiCu alloy nanoparticles in potable electrochemical sensing system by Hongyao Yin; Hu He; Tang Li; Min Hu; Wei Huang; Zhanpeng Wang; Xuan Yang; Wei Yao; Fei Xiao; Yunli Wu; Yimin Sun is a Chemistry article available to read on EtoBox.
What is Ultra-sensitive detection of multiplexed heavy metal ions by MOF-derived carbon film encapsulating BiCu alloy nanoparticles in potable electrochemical sensing system about?
In this work, we report the development of a new type of highly active and stable Bi-based electrode material, i.e., BiCu metal-organic frames (MOF) derived carbon film (CF) encapsulating BiCu alloy nanoparticles (BiCu-ANPs) for electrochemical sensing. The integration of Bi with Cu to form BiCu-ANPs can improve their electrocatalytic activity as well as the acid resistance. Meanwhile, the carbon film that encapsulates BiCu-ANPs not only guarantees the BiCu-ANPs with high electrical conductivity and fast electrochemical kinetics but also effectively alleviates the volume change during the adsorption and desorption of heavy metal (HM) ions. Therefore, the as-obtained CF encapsulating BiCu-ANPs (BiCu-ANPs@CF) exhibits fully exposed active sites, facile charge transfer, high stability and conductivity, which gives rise to enhanced sensitivity and stability for the electrochemical detection of HM ions. When integrated into a potable electrochemical sensing system for simultaneous detection of Pb2+, Cd2+ and Zn2+, the BiCu-ANPs@CF modified electrode exhibits low detection limit (i.e., 0.081 ppb for Pb2+, 0.95 ppb for Cd2+, 35 ppb for Zn2+), wide detection range (i.e., 0.5–700 ppb for Pb
Who reads Ultra-sensitive detection of multiplexed heavy metal ions by MOF-derived carbon film encapsulating BiCu alloy nanoparticles in potable electrochemical sensing system?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Hongyao Yin; Hu He; Tang Li; Min Hu; Wei Huang; Zhanpeng Wang; Xuan Yang; Wei Yao; Fei Xiao; Yunli Wu; Yimin Sun
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Chemistry (Physical Sciences)