In-situ measurement device for spherical nano sensor of electrochemical improved electrode

Abstract

The invention relates to the technical field of nano sensor measurement, in particular to an In-situ measurement device for a spherical nano sensor of an electrochemical improved electrode. The devicecomprises a bottom box, a through hole is formed in the bottom surface of the bottom box, a rubber sheet is arranged in the through hole, a butt joint sheet is inserted into the through hole, and thebutt joint sheet is fixed on the bottom surface of an electrical measurement substrate; the in-situ measurement device has the beneficial effects that the through hole is formed in the bottom surfaceof the bottom box, and the rubber sheet is additionally arranged in the through hole, so that after the electrical measurement substrate is plugged into the bottom box, the butt joint sheet on the bottom surface of the electrical measurement substrate is inserted into the through hole, the upper part of the electrical measurement substrate is limited by a limiting ring without jolting and shaking, when the electrical measurement substrate needs to be dismounted, the rubber sheet is extruded and pushed upwards from the through opening, the rubber sheet deforms to push the butt joint sheet outof the through opening, at the moment, the electrical measurement substrate is lifted in the bottom box, and the electrical measurement substrate can be taken out of the bottom box conveniently.

Description

technical field [0001] The invention relates to the technical field of nanometer sensor measurement, in particular to a spherical nanometer sensor in-situ measurement device of an electrochemically improved electrode. Background technique [0002] In recent years, the research on nanoscale biological and chemical sensors has developed rapidly. The principle of these nanosensors is to use nanoscale biological and chemical materials or nanodevices in contact with specific gas or liquid solutes, and use the characteristics that the electrical properties will change significantly to detect the presence of the measured gas or liquid solutes. In order to deeply understand the sensing performance of various sensors under different adsorption conditions, it is necessary to conduct in-situ measurements on nanosensors within a large range of air pressure changes, and to change the liquid environment in the sensing core area during in-situ electrical measurements. Environmental Scanni...

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Problems solved by technology

However, the application of environmental scanning electron microscopy in the research of biological and chemical sensors has the following insurmountable weaknesses: After the electrical measurement substrate is loaded into the bottom box, the height of the bottom box is greater than the height of the electrical measurement substrate, so the electrical measurement substrate is not convenient. Take it out from the bottom box; every time the electric lead is connected to the electrode on the surface of the electrical measurement substrate, the electric lead needs to be passed through the bottom box again, which affects the sealing between the electric lead and the bottom box; the traditional cover and bottom After the box is connected, it is laborious to disassemble, and the sealing is not good when the cover plate is connected with the bottom box

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