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Photo current electrode and photoelectric immune sensing device

A sensing device and photocurrent technology, applied in the field of electrodes, can solve problems such as poor improvement range, and achieve the effects of promoting separation, excellent photocurrent density, and improving absorption

Pending Publication Date: 2022-02-18
薛富盛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the titanium dioxide nanowire substrate modified by metal nanoparticles can improve the absorption of visible light, the improvement rate is still not good.

Method used

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  • Photo current electrode and photoelectric immune sensing device
  • Photo current electrode and photoelectric immune sensing device
  • Photo current electrode and photoelectric immune sensing device

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0033]

[0034]The preparation method of the photocurrent electrode of the present invention comprises the following steps: step (a), depositing a layer of noble metal deposition film on the upper surface of a support plate; step (b), subjecting the noble metal deposition film to microwave plasma treatment, and transform into a layer of first nanoparticle layer, wherein the first nanoparticle layer includes a plurality of first noble metal nanoparticles spaced apart and fixedly bonded to the upper surface of the carrier plate; step (c), in the first An aminosiloxane layer is formed on the surface of the nanoparticle layer, and then, a solution containing a plurality of noble metal nanoparticles is applied on the surface of the aminosiloxane layer; step (d), repeating step (c), forming a laminate comprising alternately stacked layers of aminosiloxane layers and layers of noble metal nanoparticles; step (e), applying microwave plasma treatment to the laminate of step (d), so th...

Embodiment 1

[0047] Step (a), washing and drying a piece of glass carrier to obtain a treated glass carrier. Place the treated glass carrier plate and gold target in a magnetron sputtering machine for sputtering, and form a sputtered gold film with a thickness of 1.5 nm on the upper surface of the treated glass carrier plate .

[0048] Step (b), subjecting the sputtered gold film to microwave plasma treatment, so that the sputtered gold film is transformed into a first nanoparticle layer with a thickness of 10 nm, thereby obtaining a first laminate, wherein the first nanoparticle The layer includes a plurality of first gold nanoparticles fixedly embedded on the upper surface of the treated glass carrier at intervals, and the average particle diameter of the gold nanoparticles is 10 nm. This first laminate was surface-treated with plasma for 10 minutes to obtain a plasma-treated first laminate.

[0049] Step (c), 1 milliliter of chloroauric acid solution [including water and chloroauric a...

Embodiment 2

[0055] The method of this embodiment 2 is similar to that of this embodiment 1, and the difference is that: the calcination treatment of step (f) is not carried out.

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Abstract

The invention discloses a photo current electrode and a photoelectric immune sensing device. The photo current electrode is used for being matched with visible light to generate photo current, and comprises a carrier plate, a first nano particle layer, a second nano particle layer and a semiconductor layer, wherein the second nano-particle layer is excited by the visible light to generate surface plasma resonance. The first nano particle layer includes a plurality of first noble metal nano particles fixedly bonded to the upper surface of the carrier plate. The second nano particle layer is arranged on the first nano particle layer and comprises a plurality of second noble metal nano particles, and two adjacent second noble metal nano particles are electrically connected through the corresponding first noble metal nano particles. The average particle size of the second noble metal nano particles is larger than the average particle size of the first noble metal nano particles. The semiconductor layer is disposed on the second nano particle layer. Therefore, the photo current electrode has excellent photo current density under the irradiation of sunlight or a white light emitter.

Description

technical field [0001] The invention relates to an electrode, in particular to a photocurrent electrode. Background technique [0002] China Taiwan Patent Publication No. 201528529 discloses a method for modifying a titanium dioxide nanowire substrate with metal nanoparticles, and includes the following steps: (1) forming a titanium dioxide layer on a light-transmitting conductive glass substrate by a hydrothermal method, wherein the A light-transmitting conductive glass substrate such as a glass substrate with an indium tin oxide conductive layer on the surface or a glass substrate with a fluorine-doped tin oxide conductive layer on the surface, the titanium dioxide layer includes titanium dioxide nanowires with a length of 100-1000 nm and a width of 5-50 nm; (2) Sputtering a layer of the first metal layer comprising metal particles on the surface of the titanium dioxide nanowires of the titanium dioxide layer in step (1), to obtain a laminate, wherein the metal is selected...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/327G01N27/30G01N21/552
CPCG01N27/3278G01N27/3277G01N27/305G01N27/307G01N27/308G01N21/554
Inventor 林宽锯柯玟吟邱晓玟
Owner 薛富盛