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Balanced Resistive Matrix Array for High-Density Electrochemical Sensor Array
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DOI：10.1109/JSEN.2023.3274645.png)
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Abstract
En 中文
In recent eras, many studies have been reported on sensitive and cost-effective electrochemical sensors based on various classes of nanocomposites fabricated by different methods for detecting multiple target analytes. Its application is boundless, from reactive monitoring of food additives and human health to environmental safety. One of the most efficient ways to read a set of electrochemical sensors for a portable system is to organize them in an array form. Sharing columns and rows, also called a 2-D networked array, is generally adopted to compose the array form. This work presents a precise and compact electrochemical readout for a high-density 2-D networked chemiresistor array with a wide range on a printed circuit board (PCB) of 57.30 x 37.10 mm, which is suitable as a portable system. The proposed electric readout for the electrochemical sensing system can measure the high-density 2-D networked chemiresistor array ranging from 100 K to 1 M with less than a 2% error rate.
Keywords:
Sensors
Sensor arrays
Chemical sensors
Crosstalk
Resistance
Sensor systems
Voltage measurement
2-D networked array
chemiresistor readout
crosstalk current
electrochemical sensing system
high-density sensor array readout
resistive sensor readout