Self-powered sensor for detecting alcohol and preparation method of self-powered sensor
An alcohol detection and sensor technology, applied in instruments, measuring devices, scientific instruments, etc., can solve the problems of weak output signal, need external force source, low sensitivity, etc., and achieve high compatibility, low cost, and convenient production.
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[0034] The present invention will be described in detail below in conjunction with specific embodiments and the drawings of the specification:
[0035] figure 1 It is a schematic diagram of the preparation process of the self-powered sensor provided by the present invention. The preparation method of the present invention specifically includes the following steps:
[0036] Step A: Preparation of the first component; deposit a copper film with a thickness of 30 to 70 microns on the bottom surface of the cleaned and dried glass substrate 1 (as shown in (a)) as the lower conductive electrode 21 (as shown in (b)), An interdigital electrode 3 is prepared on the top surface of the glass substrate 1 (as shown in (c)). The material of the interdigital electrode 3 is Al or Au. The specific parameters of the interdigital electrode 3 are as follows: Width: 25μm-50μm , Pitch: 25μm~50μm, length: 800μm~4500μm, thickness: 100nm~200nm ( Figure 4 Is a schematic diagram of the structure of the inte...
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