Visual detection device for regulating and controlling electrochemical luminescence length through enzyme catalysis electrodeposition and method for detecting concentration of hydrogen peroxide

The invention relates to the technical field of electrochemical luminescence visual sensing, and discloses a visual detection device for regulating and controlling electrochemical luminescence length through enzymatic electrodeposition and a method for detecting hydrogen peroxide concentration. The device comprises an electrochemical workstation, and a counter electrode, a reference electrode and a working electrode which are connected with the electrochemical workstation, the working electrode comprises a substrate as well as a detection area and a visual visualization area which are arranged on the substrate; the method comprises the following steps: modifying an enzyme catalyst in a detection region to catalyze a to-be-detected substance and a substrate to generate a precipitate so as to increase impedance, further changing the luminous length of a strip in a visual visualization region, measuring the luminous length of the strip, and calculating the concentration of the to-be-detected substance. The visua