期刊
BIOSENSORS-BASEL
卷 11, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/bios11010009
关键词
solid state sensors; field effect transistor; chemiresisitive sensor; conductometric sensor; hydrogen peroxide; biosensor and sensors
资金
- Global Waters Futures program
- Natural Sciences and Engineering Research Council of Canada
- Canada Research Chairs Program
This comprehensive review evaluates solid-state sensors for monitoring H2O2, covering chemiresistive, conductometric, and field-effect transistor sensors. The sensing mechanisms and performance of these sensors are assessed, with a discussion on future directions and challenges in the field.
Hydrogen peroxide (H2O2) is a key molecule in numerous physiological, industrial, and environmental processes. H2O2 is monitored using various methods like colorimetry, luminescence, fluorescence, and electrochemical methods. Here, we aim to provide a comprehensive review of solid state sensors to monitor H2O2. The review covers three categories of sensors: chemiresistive, conductometric, and field effect transistors. A brief description of the sensing mechanisms of these sensors has been provided. All three sensor types are evaluated based on the sensing parameters like sensitivity, limit of detection, measuring range and response time. We highlight those sensors which have advanced the field by using innovative materials or sensor fabrication techniques. Finally, we discuss the limitations of current solid state sensors and the future directions for research and development in this exciting area.
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