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Published on: March 17, 2023
Surface Potential/Charge Sensing Techniques and Applications
Songyue Chen1, Hepeng Dong1, Jing Yang1
1Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen 361005, China.
Abstract:
Surface potential and surface charge sensing techniques have attracted a wide range of research interest in recent decades. With the development and optimization of detection technologies, especially nanosensors, new mechanisms and techniques are emerging. This review discusses various surface potential sensing techniques, including Kelvin probe force microscopy and chemical field-effect transistor sensors for surface potential sensing, nanopore sensors for surface charge sensing, zeta potentiometer and optical detection technologies for zeta potential detection, for applications in material property, metal ion and molecule studies. The mechanisms and optimization methods for each method are discussed and summarized, with the aim of providing a comprehensive overview of different techniques and experimental guidance for applications in surface potential-based detection.
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