Scanning electrochemical microscope system and control method thereof

A microscope system and scanning electrochemical technology, applied in the field of scanning electrochemical microscope system and its control, can solve the problems of low efficiency, less test data, and single information

Pending Publication Date: 2020-10-27
广东鼎诚电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the current SECM system can only scan a single image with a fixed potential, which is inefficient and provides less test data and single information for each scan.

Method used

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  • Scanning electrochemical microscope system and control method thereof
  • Scanning electrochemical microscope system and control method thereof
  • Scanning electrochemical microscope system and control method thereof

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0037] refer to figure 1 , the present embodiment discloses a scanning electrochemical microscope system, which includes:

[0038] The probe 101 is used to detect electrical signals, and the probe is a SECM microprobe.

[0039] Electrochemical detection cell 102 is used to load electrolyte solution and test sample 106; its shape can be changed according to actual needs.

[0040] The probe positioning system 103 is used to drive the probe to move; in this embodiment, the probe positioning system may include a stepping motor and a piezoelectric crystal.

[0041] Double potentiostat 104, including working electrode 1041, reference electrode 1042, counter electrode 1043, is used to apply test signal to described probe 101 and detect the feedback signal of described probe; Half of the long column, with a long platinum wire attached to it.

[004...

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Abstract

The invention discloses a scanning electrochemical microscope system and a control method thereof, which are applied to a scanning electrochemical microscope technology. The system comprises a probe used for detecting an electric signal, a probe positioning system which is used for driving the probe to move, a double potentiostat which is used for applying a test signal to the probe and detectinga feedback signal of the probe, and a computer which is used for controlling the probe positioning system to drive the probe to move, controlling the double potentiostat to apply a long-time potentialor at least two test signals with different potential levels to the probe when the probe stays at a detection position, and recording feedback signals corresponding to each test signal, and obtaininga scanning image corresponding to each potential level according to the feedback signals of all the detection positions with the same potential level. Compared with the prior art, efficiency is higher, and more test data can be obtained by scanning each time.

Description

technical field [0001] The invention relates to scanning electrochemical microscope technology, in particular to a scanning electrochemical microscope system and a control method thereof. Background technique [0002] Scanning Electrochemical Microscope (SECM) refers to the technical principle of Scanning Tunnel Microscope (STM) by Bard et al. to collect and measure electrochemical measurement information at micro-scale spatial positions. SECM can not only study the kinetics of the heterogeneous reaction between the scanning probe and the substrate and the kinetics of the homogeneous reaction in the solution, but also can distinguish the electrochemical inhomogeneity of the micro-region on the electrode surface, and give the surface morphology of the conductor and the insulator. It is even possible to microfabricate materials, study many important biological processes, etc. SECM has become a reality since it has been studied in the detection of pharmacological release, phas...

Claims

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Application Information

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IPC IPC(8): G01Q60/60G01Q10/00G05B15/02
CPCG01Q60/60G01Q10/00G05B15/02
Inventor 刘振邦牛利马英明包宇王伟韩冬雪何颖
Owner 广东鼎诚电子科技有限公司
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