Preparation method of a three-dimensional ordered macroporous microelectrode

A technology of three-dimensional order and micro-electrodes, which is applied in the direction of micro-structure technology, micro-structure devices, and manufacturing micro-structure devices, etc., can solve the problems that micro-electrodes cannot achieve multi-functionality of electrodes, and achieve easy bending, high-efficiency utilization, and realization of energy Effect

Active Publication Date: 2016-03-16
HARBIN INST OF TECH
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the microelectrode prepared by the existing method cannot realize the multifunctionality of the electrode, and provides a method for preparing a three-dimensional ordered macroporous microelectrode

Method used

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  • Preparation method of a three-dimensional ordered macroporous microelectrode
  • Preparation method of a three-dimensional ordered macroporous microelectrode
  • Preparation method of a three-dimensional ordered macroporous microelectrode

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specific Embodiment approach 1

[0028] Specific embodiment one: the preparation method of a kind of three-dimensional ordered macroporous microelectrode of this embodiment is carried out according to the following steps:

[0029] 1. Select 10 μm ~ 100 μm metal wire as the substrate, and ultrasonically clean the metal wire with ethanol and ultrapure water for 15 ~ 30 minutes;

[0030] 2. Using deionized water as the dispersion solvent, ultrasonically disperse the polystyrene colloidal microspheres for 15-30 minutes to obtain a polystyrene colloidal microsphere emulsion with a volume fraction of 0.05%-0.3%;

[0031] Three, insert the metal wire of step 1 into the polystyrene colloidal microsphere emulsion obtained in step 2 at an angle of 80° to 90° with the liquid surface of the polystyrene colloidal microsphere emulsion obtained in step 2, and then place In a constant temperature incubator with a temperature of 55-65°C, after the dispersion solvent is completely volatilized, a polystyrene colloidal crystal t...

specific Embodiment approach 2

[0040] Embodiment 2: This embodiment differs from Embodiment 1 in that the metal wire described in step 1 is nickel wire, silver wire or copper wire. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0041] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the polystyrene colloidal microspheres described in step 3 have a diameter of 100-1000 nm. Others are the same as in the first or second embodiment.

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Abstract

The invention relates to a preparation method of a three-dimensional ordered macropore microelectrode, which aims at solving the problems that the prepared microelectrode cannot realize multiple functions of the electrode. The method comprises the following steps of: preparing polystyrene colloidal microsphere emulsion, inserting metal wires into the emulsion to obtain a polystyrene colloidal crystal template, filling target substances into the polystyrene colloidal crystal template, removing the template to obtain metal fibers with an inverse opal structure grown on the surface, and then inserting the metal fibers into a metal plate with regular holes to form a microelectrode in an array structure or be braided into a gridding microelectrode. By adopting the preparation method, the defects of the existing electrode that the microstructure on the surface of an electrode material is not considered and the mass integration application is difficult to realize can be overcome, the high-efficient and stable conversion of the energy is realized by utilizing the large specific surface area on the microcosmic scale of the electrode and the high-efficient utilization of the space by the array and netted structure on the macroscopic scale, and a novel concept is provided for the preparation of the novel microelectrode.

Description

technical field [0001] The invention relates to a preparation method of a three-dimensional ordered macroporous microelectrode. Background technique [0002] As an electrophysiological method, microelectrode technology, as an emerging technology that has risen in various fields and received attention in recent years, has attracted extensive attention from colleagues. Microelectrode plays an important role in genetic engineering and nanotechnology. It can measure organic macromolecules such as DNA and trace metal ions. It has become a branch with broad development prospects in the field of electrochemical research. [0003] Microelectrodes have incomparable advantages over conventional electrodes, namely high steady-state current density, short response time, small polarization current, small ohmic voltage drop, fast mass transfer speed, and large signal-to-noise ratio. It has a stable and high-density current, and is not easily affected by external factors, so it is an idea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B81C1/00
Inventor 赵九蓬李垚丁艳波卢越野应坤吕东锴杨昊崴
Owner HARBIN INST OF TECH
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