Thin Film Electrodes for Anodic Stripping Voltammetry: A Mini-Review

Area of Science:

• Electroanalytical Chemistry
• Materials Science
• Environmental Science

Background:

• Anodic stripping voltammetry (ASV) traditionally used macroscopic electrodes.
• Recent advancements utilize *in situ* generated thin film metal electrodes.
• These electrodes improve analyte detection and quantification in aqueous media.

Purpose of the Study:

• To review the development and applications of *in situ* generated thin film electrodes in ASV.
• To highlight the advantages of these electrodes over traditional methods.
• To discuss future perspectives for thin film electrode applications in ASV.

Main Methods:

• Exploration of various metals (Hg, Bi, Sn) as thin film electrode materials.
• Optimization of plating/stripping behavior through co-deposition of metals.
• Analysis across a range of pH conditions in acidic and alkaline media.

Main Results:

• Thin film electrodes demonstrate significant potential for sensitive metal ion detection.
• Co-deposition strategies enhance plating/stripping efficiency and improve sensitivity.
• Diverse applications showcased, including environmental toxic metal monitoring, battery material characterization, and biological assays.

Conclusions:

• Thin film electrodes represent a significant advancement in ASV technology.
• Their versatility and sensitivity enable broad applications in various scientific fields.
• Future research holds promise for further innovation in ASV electrode design and application.