Boron-doped diamond film heavy metal ion detection electrode and preparation method thereof
By modifying MoS2 nanosheets and modifying gold nanoparticles on boron-doped diamond film, the problem of insufficient electrode binding is solved, the stability and sensitivity of the detection electrode are improved, and it is suitable for heavy metal ion detection in harsh environments.
CN119666948APending Publication Date: 2025-03-21OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI +1
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Patent Information
- Application Number
- CN202411888188.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-03-21
AI Technical Summary
Technical Problem
The existing heavy metal ion detection electrodes have poor stability and low sensitivity, especially the insufficient bonding force between gold nanoparticles and boron-doped diamond thin film electrodes, resulting in unstable electrodes.
Method used
By modifying the MoS2 nanosheets on the boron-doped diamond film, and using the gold sulfur bonds and coulomb forces of MoS2 and the gold nanoparticles, the gold nanoparticles are firmly modified on the MoS2-BDD electrode to form an Au/MoS2/BDD electrode.
Benefits of technology
It improves the reliability and stability of the electrode, expands the working range, enhances the detection sensitivity of heavy metal ions, and is suitable for trace detection in harsh environments.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to the field of heavy metal ion detection, in particular to a boron-doped diamond film heavy metal ion detection electrode and a preparation method thereof.The preparation method comprises the following steps that 1, a substrate is selected; step 2, preparing an electrode to obtain a BDD film modified by nano-gold particles; 3, characterizing and testing the electrode; and step 4, microelectrode structure design: after high-performance test electrode parameters are obtained in the step 3, the boron-doped diamond film heavy metal ion detection electrode described in any one of the above is obtained by using the size advantages of the nano material and the boron-doped diamond film. Compared with other heavy metal ion detection electrodes, according to the technical scheme, BDD is stable in chemical property, wide in electrochemical window, stable in property, suitable for various complex environments and wide in working range.
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