Four-pin dual-working high-precision photoelectric transparent interdigital electrode containing insulating protective film and application of four-pin dual-working high-precision photoelectric transparent interdigital electrode in photoelectric joint detection

Abstract

The invention provides a four-pin dual-working high-precision photoelectric transparent interdigital electrode containing an insulating protective film and application of the four-pin dual-working high-precision photoelectric transparent interdigital electrode in photoelectric joint detection.The four-pin dual-working high-precision photoelectric transparent interdigital electrode comprises an electrode substrate, an electrode area is arranged at one end of the front face of the electrode substrate, and a pin area is arranged at the other end of the front face of the electrode substrate; the electrode area comprises a first detection part (1), a second detection part (2), a third detection part (3) and a fourth detection part (4), the third detection part (3) is located on the right side of the first detection part (1), the second detection part (2) is located between the first detection part (1) and the third detection part (3), and one part of the fourth detection part (4) is located on the right side of the third detection part (3); the other part is located on the outer side of the first detection part (1) and the third detection part (3), the first detection part (1) and the third detection part (3) vertically extend to form a first interdigital strip and a second interdigital strip which are crossed and parallel, the first interdigital strip and the second interdigital strip are arranged in a staggered mode in a tooth comb shape, the first interdigital strip is arranged in a gap of the second interdigital strip, and the first interdigital strip and the second interdigital strip are arranged at the same interval. The electrode can be used for electrochemical detection of extremely small amounts of reagents.

Description

technical field [0001] The invention belongs to the field of electrochemical interdigital electrodes, and relates to a four-pin dual-working high-precision photoelectric transparent interdigital electrode containing an insulating protective film and its application in photoelectric combined detection. Background technique [0002] In recent years, with the rapid development of Industry 4.0 and the Internet of Things, emerging industries and other industries have more and more demands for sensors, and electrodes, as one of the core components of sensors, have attracted more and more attention from society. How to improve the detection performance of electrodes, It is directly related to the technical level of various sensors, which has also become a common problem in the electronic information industry. [0003] Electrodes are the most important sensitive components of electrochemical sensors. Generally, the sensor must have more than two electrodes. At present, the three-el...

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Problems solved by technology

However, the stability and sensitivity of the electrode still requires a certain volume of the solution to be tested to cover the surface of the working electrode, which cannot be applied to the situation where the solution to be tested is less

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