Preparation method of zinc oxide nano film, sensor electrode and electrochemical sensor

A zinc oxide nano-electrochemical technology, applied in the field of nano-materials, can solve problems such as cumbersome methods and complicated preparation processes, and achieve the effects of good reproducibility, high product purity, and low production cost

Inactive Publication Date: 2014-02-12
ANHUI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the preparation methods of zinc oxide thin films are various, mainly including: radio frequency sputtering method, dual ion beam sputtering deposition method, chemical vapor deposition method, molecular beam evaporation deposition, pulsed laser deposition, spray thermal decomposition method and sol-coagulation method. Glue method, etc., but the above methods are more cumbersome, and the preparation process is more complicated

Method used

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  • Preparation method of zinc oxide nano film, sensor electrode and electrochemical sensor
  • Preparation method of zinc oxide nano film, sensor electrode and electrochemical sensor
  • Preparation method of zinc oxide nano film, sensor electrode and electrochemical sensor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A preparation method of zinc oxide nano film, comprising the following steps:

[0026] a. Put the zinc flakes into ethanol and water in turn for ultrasonic cleaning for 15 minutes;

[0027] b. Mix 20mL of absolute ethanol and 0.1mL of 12mol / L concentrated hydrochloric acid and add it into a 60mL reaction kettle, immerse the treated zinc flakes in the mixture, tighten the lid of the kettle, react at 80°C for 2 hours, and take out the reaction kettle Naturally cool to room temperature, rinse with ethanol and double distilled water successively, and dry at room temperature to obtain a zinc oxide nano film.

[0028] An electrochemical sensor electrode prepared by using a zinc sheet containing a zinc oxide nano film, the mass area ratio of the zinc oxide film to the zinc electrode is 0.0165g / cm 2 .

[0029] An electrochemical sensor prepared using electrodes comprising zinc flakes of zinc oxide nanofilms.

[0030] The zinc sheet coated with the zinc oxide nano-film prepar...

Embodiment 2

[0035] A preparation method of zinc oxide nano film, comprising the following steps:

[0036] a. Put the zinc flakes into ethanol and water in turn for ultrasonic cleaning for 20 minutes;

[0037] b. Mix 20mL of absolute ethanol and 0.4mL of 12mol / L concentrated hydrochloric acid and add it into a 60mL reaction kettle, immerse the treated zinc flakes in the mixture, tighten the lid of the kettle, react at 40°C for 4 hours, and take out the reaction kettle Naturally cool to room temperature, rinse with ethanol and double distilled water successively, and dry at room temperature to obtain a zinc oxide nano film.

[0038] An electrochemical sensor electrode is prepared using a zinc sheet containing a zinc oxide nano film.

[0039] An electrochemical sensor prepared using electrodes comprising zinc flakes of zinc oxide nanofilms.

Embodiment 3

[0041] A preparation method of zinc oxide nano film, comprising the following steps:

[0042] a. Put the zinc flakes into ethanol and water in turn for ultrasonic cleaning for 15 minutes;

[0043] b. Mix 20mL of absolute ethanol and 0.8mL of 12mol / L concentrated hydrochloric acid and add it into a 60mL reaction kettle, immerse the treated zinc flakes in the mixture, tighten the lid of the kettle, react at 40°C for 2 hours, and take out the reaction kettle Naturally cool to room temperature, rinse with ethanol and double distilled water successively, and dry at room temperature to obtain a zinc oxide nano film.

[0044] An electrochemical sensor electrode is prepared using a zinc sheet containing a zinc oxide nano film.

[0045] An electrochemical sensor prepared using electrodes comprising zinc flakes of zinc oxide nanofilms.

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Abstract

The invention relates to a preparation method of a zinc oxide nano film, an electrochemical sensor electrode and an electrochemical sensor. According to the preparation method, the zinc oxide nano film can be controllably prepared by virtue of a hydrothermal method; as being adhered to the surface of a zinc sheet, the prepared ultrathin zinc oxide nano film can be directly taken as the electrode and the sensor to be directly applied to matter detection.

Description

technical field [0001] The invention belongs to the technical field of nanometer materials, and in particular relates to a preparation method of a zinc oxide nanometer film, an electrochemical sensor electrode and an electrochemical sensor. Background technique [0002] ZnO (zinc oxide) is a compound semiconductor with wide bandgap and direct bandgap of group II-VI. It has a hexagonal brazeite structure and its bandgap width is about 3.37eV at room temperature. ZnO thin film has excellent performance in many aspects such as lattice, photoelectricity, piezoelectricity, gas sensitivity and pressure sensitivity, and has high thermal stability. It has been widely used in surface acoustic wave devices, solar cells, gas and pressure sensitive devices, etc. It also has great development potential in many fields such as ultraviolet detectors. Moreover, many manufacturing processes of ZnO thin film are compatible with integrated circuit technology, and can be integrated with various...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/28G01N27/30C01G9/02B82B3/00
Inventor 张小俊马文勤南红红
Owner ANHUI NORMAL UNIV
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