Electrochemiluminescence imaging system

Abstract

The invention relates to an electrochemiluminescence imaging system, which comprises an electrochemical reaction pool, an electrochemiluminescence imaging pool, a stabilized voltage direct current power supply and a CCD (Charge Coupled Device) imaging unit, wherein the electrochemical reaction pool is electrically connected with the electrochemiluminescence imaging pool through at least one bipolar electrode; a pole of the bipolar electrode is arranged in the electrochemical reaction pool, the other pole of the bipolar electrode is arranged in the electrochemiluminescence imaging pool, and the two poles are connected through a wire; a driving electrode is also arranged in the electrochemical reaction pool and the electrochemiluminescence imaging pool respectively; the two driving electrodes are connected with a positive electrode and a negative electrode of the stabilized voltage direct current power supply through a wire respectively; and an electrochemiluminescence phenomenon in the electrochemiluminescence imaging pool is recorded by the CCD imaging unit. The electrochemiluminescence imaging system has the advantages of simple instrument, low cost, high detection sensitivity, quickness and high energy, and has great significance to promotion of development of basic electrochemical science research, high-flux and high-sensitivity analysis detection and a screening technology of electro-catalysts in fuel cells.

Description

technical field [0001] The invention relates to an electrochemiluminescence imaging system, which is especially suitable for electrochemical analysis and electrocatalyst screening in fuel cells. Background technique [0002] The electrochemiluminescence imaging method can observe the distribution of the electrochemiluminescence intensity on the electrode surface very well, and the electrochemiluminescence intensity has a great dependence on the activity of the electrode surface, so the electrochemiluminescence imaging method can be used to visualize , Visually see the electroactive area on the electrode surface and the distribution state of the active material on the electrode surface, which provides convenience for the microscopic study of the electrochemiluminescence reaction process and detection. At present, there is an electrochemiluminescence imaging technology that uses long bipolar electrodes in the same electrolytic cell to experiment with the conversion of current ...

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Problems solved by technology

[0003] In view of the deficiencies in the prior art, the object of the present invention is to provide an electrochemiluminescence imaging system in which the electrochemical reaction cell and the electrochemiluminescence imaging cell are relatively independent, and the electrochemiluminescence imaging system overcomes the existing electrochemical imaging The electrochemical reaction and the reaction of electrochemiluminescence imaging in the technology interfere with each other, the electrode potential and luminous intensity depend on the length and position of the double electrodes, the potential of the electrochemical reaction is not easy to control, and it is difficult to quantitatively analyze the electrochemiluminescence image, etc. shortcoming

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