Cathode protection Z-type photo-anode material, ion layer deposition preparation method and application

A cathodic protection and photoanode technology, which is applied in the field of metal corrosion inhibition in marine construction projects, can solve the problems of poor metal corrosion resistance and achieve the effects of improving durability, improving redox performance, and improving separation efficiency

Pending Publication Date: 2022-07-01
QINGDAO TECHNOLOGICAL UNIVERSITY
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Problems solved by technology

[0006] The object of the present invention is to provide a kind of cathodic protection Z type photoanode material, ion layer deposition preparation method and application, this cathodic protection Z type photoanode material can effectively solve or alleviate the photoanode material used for photocathode protection in the prior art The problem of poor anticorrosion effect on metals used in marine construction projects

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  • Cathode protection Z-type photo-anode material, ion layer deposition preparation method and application
  • Cathode protection Z-type photo-anode material, ion layer deposition preparation method and application
  • Cathode protection Z-type photo-anode material, ion layer deposition preparation method and application

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preparation example Construction

[0028] Aiming at the problem of poor anticorrosion effect on metals used in marine construction projects that exists in the photoanode materials currently used for photocathode protection, the present invention provides a method for preparing an ion layer deposition of a cathodic protection Z-type photoanode material: comprising the following steps: Steps: (1) conductive glass pretreatment; (2) ion layer deposition on the surface of the conductive glass obtained by step (1) pretreatment to obtain Ce 2 S 3 layer; (3) in Ce 2 S 3 Bi-layer surface ion layer deposition 2 S3 Floor.

[0029] Due to Ce 2 S 3 with Bi 2 S 3 With a matching band structure, Ce 2 S 3 has a lower conduction band potential (-0.91Vvs.NHE), while Bi 2 S 3 Has a higher valence band potential (1.38V vs. NHE), while Bi 2 S 3 The conduction band potential (-0.33Vvs.NHE) of Ce 2 S 3 The valence band potential (1.19V vs. NHE) is lower, Bi 2 S 3 Photogenerated electrons in the conduction band can be...

Embodiment 1

[0041] 1. The cathodic protection Z-type photoanode material of the present embodiment is prepared according to the method comprising the following steps:

[0042] (1) Conductive glass pretreatment: Thoroughly clean the conductive glass first to improve the bonding strength between the photoanode film and the conductive glass. The specific steps are as follows: First, put the conductive glass into a beaker containing detergent-containing aqueous solution, NaOH ethanol solution, ethanol and deionized water in sequence, and ultrasonically clean for 10 minutes, rinse with deionized water, and then dry at 60 °C for use. .

[0043] (2) depositing Ce on the surface of the conductive glass obtained by the treatment in step (1) 2 S 3 layer (ion layer deposition to prepare Ce 2 S 3 ): a. use the conductive glass obtained in step (1) as a substrate, soak it in a solution containing cerium nitrate (concentration of 50 mmol / L) for 30s; b. soak the obtained sample in a solution contain...

Embodiment 2

[0050] 1. The cathodic protection Z-type photoanode material of the present embodiment is prepared according to the method comprising the following steps:

[0051] (1) Conductive glass pretreatment: Thoroughly clean the conductive glass first to improve the bonding strength between the photoanode film and the conductive glass. The specific steps are as follows: First, put the conductive glass into a beaker containing detergent-containing aqueous solution, NaOH ethanol solution, ethanol and deionized water in sequence, and ultrasonically clean it for 30 minutes, rinse it with deionized water, and then dry it at 60 °C for use. .

[0052] (2) depositing Ce on the surface of the conductive glass obtained by the treatment in step (1) 2 S 3 layer (ion layer deposition to prepare Ce 2 S 3 ): a. use the conductive glass obtained in step (1) as a substrate, soak it in a solution containing cerium citrate (concentration of 1 mmol / L) for 3 min; b. soak the obtained sample in a soluti...

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Abstract

The invention belongs to the technical field of marine construction engineering metal corrosion inhibition, and particularly relates to a cathode protection Z-type photo-anode material, an ionic layer deposition preparation method and application. The ionic layer deposition preparation method of the cathode protection Z-type photo-anode material comprises the following steps: (1) pretreating conductive glass; (2) depositing an ion layer on the surface of the conductive glass pretreated in the step (1) to obtain a Ce2S3 layer; and (3) carrying out ion layer deposition on the surface of the Ce2S3 layer to obtain the Bi2S3 layer. The cathode protection Z-type photo-anode material can effectively solve or relieve the problem that in the prior art, a photo-anode material for photoelectric cathode protection has a poor anti-corrosion effect on metal used in ocean construction engineering, efficient photoelectric cathode protection of an ocean engineering structure can be achieved, and the durability of the ocean engineering structure is improved.

Description

technical field [0001] The invention belongs to the technical field of metal corrosion inhibition of marine construction engineering, and particularly relates to a cathodic protection Z-type photoanode material, a preparation method and application of ion layer deposition. Background technique [0002] Reinforced concrete structures are widely used in construction projects, especially for the construction of factory buildings and various basic components, reinforced concrete plays a pivotal role. However, due to the characteristics of reinforced concrete, the related components are prone to aging phenomenon over time. This phenomenon not only brings certain safety hazards to engineering projects, making its internal structure vulnerable to damage; it also generates many risks to a certain extent, which is not conducive to the construction and development of related industries. The main reason for the aging phenomenon is the corrosion of the steel bars in the concrete. It c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F13/12C23F13/20C03C17/34
CPCC23F13/12C23F13/20C03C17/347C23F2201/02C03C2218/11
Inventor 张小影程海洋王晓晴金祖权蒋全通宋立英唐恒闫杰蒋浩森陈越华周肇亮于偲怡
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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