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Method for preparing bimetallic co-doped two-dimensional nanoelectrode material

A two-dimensional nanotechnology, electrode material technology, applied in nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of low yield and cumbersome process, achieve low cost, no noble metal doping Complex, simple preparation method

Active Publication Date: 2016-11-23
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, most of the synthesis methods are synthesized separately, and then compound the catalyst and the carrier, the process is cumbersome and the yield is not high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1 FeMn-TiO 2 / MoS 2 preparation of

[0024] (1) Add 0.6 g of molybdenum disulfide powder, 0.2 mmol of iron salt and 0.2 mmol of manganese salt into 3 mL of n-butyllithium solution, and stir for 12 hours under nitrogen protection at 60 °C to obtain the reacted solution;

[0025] (2) Wash the reacted solution in step (1) with a non-polar solvent, and then perform ultrasonic treatment in a water bath at 60 °C. After the treatment, wash the treated solution with a non-polar solvent, and dry it in vacuum to obtain iron , Molybdenum disulfide nanomaterials co-intercalated with manganese;

[0026] (3) Add 500 mg of molybdenum disulfide nanomaterials co-intercalated with iron and manganese prepared in step (2) into 5 mL of tetrabutyl titanate, and after stirring for 1 hour, slowly add 0.5 mL of hydrofluoric acid while stirring acid, then reacted in a reactor at 160°C for 18 hours;

[0027] (4) The reaction product obtained in step (3) was centrifuged and washed thre...

Embodiment 2

[0033] Example 2 FeMn-TiO 2 / MoS 2 preparation of

[0034] (1) Add 0.6 g of molybdenum disulfide powder, 1.0 mmol of iron salt and 1.0 mmol of manganese salt into 5 mL of n-butyllithium solution, and stir for 24 hours under nitrogen protection at 30 °C to obtain the reacted solution;

[0035](2) Wash the reacted solution in step (1) with a non-polar solvent, and then perform ultrasonic treatment in a water bath at 30 °C. After the treatment, wash the treated solution with a non-polar solvent, and dry it in vacuum to obtain iron , Molybdenum disulfide nanomaterials co-intercalated with manganese;

[0036] (3) Add 200 mg of molybdenum disulfide nanomaterials co-intercalated with iron and manganese prepared in step (2) into 5 mL of tetrabutyl titanate, stir for 1 hour, then slowly add 0.6 mL of hydrofluoric acid while stirring acid, then reacted in a reactor at 180°C for 20 hours;

[0037] (4) The reaction product obtained in step (3) was centrifuged and washed three times wi...

Embodiment 3

[0043] Example 3 FeMn-TiO 2 / MoS 2 preparation of

[0044] (1) Add 0.6 g of molybdenum disulfide powder, 2.0 mmol of iron salt and 2.0 mmol of manganese salt into 10 mL of n-butyllithium solution, and stir for 48 hours under nitrogen protection at 50 °C to obtain the reacted solution;

[0045] (2) Wash the reacted solution in step (1) with a non-polar solvent, and then perform ultrasonic treatment in a water bath at 50 °C. After the treatment, wash the treated solution with a non-polar solvent, and dry it in vacuum to obtain iron , Molybdenum disulfide nanomaterials co-intercalated with manganese;

[0046] (3) Add 10 mg of molybdenum disulfide nanomaterials co-intercalated with iron and manganese prepared in step (2) into 5 mL of tetrabutyl titanate, stir for 1 hour, then slowly add 0.8 mL of hydrofluoric acid while stirring acid, then reacted in a reactor at 200°C for 24 hours;

[0047] (4) The reaction product obtained in step (3) was centrifuged and washed three times w...

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Abstract

The invention discloses a method for preparing a bimetallic co-doped two-dimensional nanoelectrode material which is free of precious metal doping, low in cost, easy to prepare and high in photoelectrochemical activity, and belongs to the technical field of novel nano functional materials and green energy. According to the method, an iron and manganese co-doped titanium dioxide nanosheet material is compounded on an iron and manganese co-intercalated molybdenum disulfide nanosheet in an in-situ mode, and a two-dimensional nano composite FeMn-TiO2 / MoS2 with an iron and manganese co-doped titanium dioxide nano diamond compounded on molybdenum disulfide in an in-situ mode is obtained. Prepared FeMn-TiO2 / MoS2 can be applied to the fields of solar photovoltaic cell preparation, photoelectrochemical sensor construction, photocatalysis water decomposition hydrogen manufacturing, photocatalytic organic pollutant degrading and the like.

Description

technical field [0001] The invention relates to a method for preparing a two-dimensional nanometer electrode material. The prepared two-dimensional nanometer electrode material has photoelectrochemical activity and can be applied to the preparation of solar photovoltaic cells, the construction of photoelectrochemical sensors, photocatalytic water splitting to produce hydrogen, and photocatalytic degradation organic pollutants etc. The invention belongs to the technical field of novel nano functional materials and green energy. Background technique [0002] Solar cells, also known as "solar chips" or "photovoltaic cells", are photoelectric semiconductor sheets that use sunlight to generate electricity directly. As long as it is illuminated by light that meets certain illumination conditions, it can output voltage instantly and generate current when there is a loop. In physics, it is called solar photovoltaic, or photovoltaic for short. A solar cell is a device that directl...

Claims

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Application Information

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IPC IPC(8): C01G39/06C01G23/053B82Y30/00H01L31/0224
CPCC01G39/06C01P2004/84C01P2006/40C01P2006/60H01L31/022425Y02E10/50
Inventor 张勇张国庆郑娜史御书杨丽原
Owner UNIV OF JINAN
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