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Synthesis of novel RGO/BiVO4-Pt photoelectric material

A photoelectric material, a new technology, applied in the direction of material analysis, material analysis, and material electrochemical variables through electromagnetic means. It can solve problems such as visual pollution and affecting the growth of aquatic animals and plants, and achieve high photocurrent density and easy reaction conditions. Simple operation for control and experimentation

Pending Publication Date: 2020-10-16
UNIV OF JINAN
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Problems solved by technology

The discharge color of methyl orange and other dye wastewater will cause visual pollution. At the same time, if the color is dark, sunlight cannot effectively shine into the water body, affecting the growth of aquatic plants and animals.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1 (detection and degradable dye wastewater)

[0017] (1) Synthesis of RGO-coated FTO: For the electrodeposition of reduced graphene oxide (RGO), a dispersion containing 0.8 mg / mL graphene oxide was used by an electrochemical workstation using three electrodes: fluorine-doped tin oxide-coated glass Substrate (FTO, ~7Ω, ~3 cm 2 ) as the working electrode, Ag / AgCl (4 M KCl) as the reference electrode, a platinum wire electrode as the counter electrode, the scanning range is -1.3 to 0.6 V, the rate is 0.1 V / s, the graphene oxide sheet is in direct contact with the ITO electrode, When the graphene oxide sheet accepts electrons for electrochemical reduction, the insoluble graphene sheet is directly attached to the electrode surface, and after scanning for 30 times, rinse the working electrode with deionized water;

[0018] (2) Synthesis of BiOI nanosheets: BiOI nanosheets were prepared by the traditional three-electrode system electrochemical deposition method, and d...

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Abstract

The invention discloses synthesis of a novel RGO / BiVO4-Pt photoelectric material. Using a photoelectric reaction system, RGO / BiVO4-Pt is used as a photoelectric signal enhancement module, rapid detection of MO in the solution is realized, and the MO can be efficiently degraded. Through detecting MO in a solution, and comparing a result with a mature laboratory liquid chromatography method, the detection method is simple in sample pretreatment, short in consumed time and accurate and reliable in detection result, the system can degrade dyes through an oxidation-reduction reaction conducted through excellent electron hole separation, and the system can be used for detection and rapid degradation of dyes such as MO in waste liquid in the future.

Description

technical field [0001] The invention relates to the technical field of photoelectric detection, more specifically a novel RGO / BiVO 4 -Synthesis of Pt optoelectronic materials. Background technique [0002] Under the irradiation of light, the light is absorbed by the metal or semiconductor electrode material, or by the reactant in the solution near the electrode, causing energy accumulation or prompting the electrode reaction to occur, which is reflected in the conversion of light energy, electrical energy and chemical energy, such as photoelectron emission ; Photoelectric conversion of photoelectrochemical cells; Electrochemiluminescence, etc. The development of photoelectric synthesis is very extensive, and the origin of life may be produced by natural photoelectric synthesis. Rare metals and precious metals can be enriched by photoelectrochemical principles, information can be recorded and preserved, and information can be eliminated at any time in a simple way, all of w...

Claims

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Application Information

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IPC IPC(8): G01N27/30
CPCG01N27/305G01N27/308
Inventor 颜梅魏全勇张晶李成芳王文寿孙荣环赵政
Owner UNIV OF JINAN
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