Graphite phase carbon nitride foam composite cuprous oxide nanoparticle photocatalytic material and preparation method thereof

A technology of graphite phase carbon nitride and photocatalytic materials, applied in the field of photocatalytic materials, can solve the problems of poor composite effect and insufficient loading capacity, and achieve the effects of strong reduction ability, large loading capacity, and improved photocatalytic efficiency

Inactive Publication Date: 2019-02-01
WUHAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These patented technologies are mainly through solvothermal, high temperature calcination and other methods in powder state g-C 3 N 4 Other semiconductor materials are loaded on the substrate, but there are problems of insufficient loading and poor recombination effect

Method used

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  • Graphite phase carbon nitride foam composite cuprous oxide nanoparticle photocatalytic material and preparation method thereof
  • Graphite phase carbon nitride foam composite cuprous oxide nanoparticle photocatalytic material and preparation method thereof
  • Graphite phase carbon nitride foam composite cuprous oxide nanoparticle photocatalytic material and preparation method thereof

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preparation example Construction

[0021] The graphite phase C 3 N 4 The preparation method of the foam is: first mix 5-14 parts by mass of graphite phase C 3 N 4 Added into 100 parts by mass of deionized water, mixed evenly to obtain a suspension; 1.7 to 2.0 parts by mass of sodium dodecylsulfonate, 1.7 to 2.0 parts by mass of dodecyl alcohol and 1.7 parts by mass were added to the suspension ~2.0 parts by mass of resin glue, stirred at 40~60°C and 100~200r / min for 10~20min to obtain a mixed solution; then the mixed solution was stirred for 15 ~20min, then add 5~14 parts by mass of binder to the mixed liquid under stirring, and continue stirring for 5~10min to obtain graphite phase C 3 N 4 foam slurry; finally the graphite phase C 3 N 4 The foam slurry is poured and molded, freeze-dried for 6-12 hours, and dried at 80-100°C for 18-24 hours to obtain graphite phase C 3 N 4 Foam.

[0022] The graphite phase C 3 N 4 The particle size is 1-20μm, graphite phase C 3 N 4 The main chemical components are:...

Embodiment 1

[0024] A graphite-phase carbon nitride foam composite cuprous oxide nano-particle photocatalytic material and a preparation method thereof. The preparation method described in this embodiment is:

[0025] With a flow rate of 10-12 parts by mass / min, 5-6 parts by mass of CuSO 4 ·5H 2 O solution was added to 1 mass part of graphite phase C at a uniform speed 3 N 4 In the foam, let it stand for 3-4 minutes to obtain graphite phase C 3 N 4 Foam Composite CuSO 4 Block material; then add 3 to 4 parts by mass of NaOH solution to the graphite phase C at a constant speed at a flow rate of 3 to 4 parts by mass / minute 3 N 4 Foam Composite CuSO 4 In bulk materials, react at room temperature for 15-20 minutes to obtain graphite phase C 3 N 4 Foam composite Cu(OH) 2Block material; then add 10 to 20 parts by mass of glucose solution into the graphite phase C at a constant speed at a flow rate of 5 to 10 parts by mass / minute 3 N 4 Foam composite Cu(OH) 2 The bulk material is rea...

Embodiment 2

[0029] A graphite-phase carbon nitride foam composite cuprous oxide nano-particle photocatalytic material and a preparation method thereof. The preparation method described in this embodiment is:

[0030] With a flow rate of 12 to 14 parts by mass / min, 6 to 7 parts by mass of CuSO 4 ·5H 2 O solution was added to 1 mass part of graphite phase C at a uniform speed 3 N 4 In the foam, let it stand for 4-5 minutes to obtain graphite phase C 3 N 4 Foam Composite CuSO 4 Block material; then add 4 to 5 parts by mass of NaOH solution to the graphite phase C at a constant speed at a flow rate of 4 to 5 parts by mass / minute 3 N 4 Foam Composite CuSO 4 In bulk materials, react at room temperature for 20-25 minutes to obtain graphite phase C 3 N 4 Foam composite Cu(OH) 2 Block material; then add 15 to 25 parts by mass of glucose solution into the graphite phase C at a constant speed at a flow rate of 7.5 to 12.5 parts by mass / min 3 N 4 Foam composite Cu(OH) 2 The bulk materia...

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Abstract

The invention relates to a graphite phase carbon nitride foam composite cuprous oxide nanoparticle photocatalytic material and a preparation method thereof. The scheme includes: adding 5-8 mass partsof a CuSO4.5H2O solution into 1 mass part of graphite phase C3N4 foam, performing standing, then adding 3-6 mass parts of a NaOH solution at a uniform speed, carrying out reaction at room temperature,then adding 10-30 mass parts of a glucose solution at a uniform speed, carrying out reaction at room temperature, and performing washing and drying so as to obtain the graphite phase carbon nitride foam composite cuprous oxide nanoparticle photocatalytic material. The obtained product has good performance of photocatalytic hydrolysis for hydrogen production. The preparation method of the graphitephase C3N4 foam includes: adding 5-14 mass parts of graphite phase C3N4 into 100 mass parts of deionized water, performing stirring, then adding 1.7-2.0 mass parts of sodium dodecyl sulfate, 1.7-2.0mass parts of dodecanol and 1.7-2.0 mass parts of resin adhesive, conducting low speed and high speed stirring, then adding 5-14 mass parts of a binding agent, further conducting stirring, and carrying out shaping, freeze drying and drying at 80-100DEG C, thus obtaining the graphite phase C3N4 foam.

Description

technical field [0001] The invention belongs to the technical field of photocatalytic materials. In particular, it relates to a graphite-phase carbon nitride foam composite cuprous oxide nano-particle photocatalytic material and a preparation method thereof. Background technique [0002] Graphite phase carbon nitride is a non-metallic polymer semiconductor material, which not only has good chemical stability, thermal stability and semiconductor performance, but also has a suitable forbidden band width (2.7eV), suitable conduction band (CB, - 1.3V) and valence band (VB, 1.4V), so graphitic carbon nitride shows great application prospects in the field of photocatalysis. As a visible light catalyst, graphitic carbon nitride has been widely used in photocatalytic removal of pollutants, photocatalytic synthesis of organic compounds, photocatalytic water splitting to produce hydrogen, and photocatalytic reduction of CO. 2 etc. [0003] At present, the reports on graphite phase ...

Claims

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Application Information

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IPC IPC(8): B01J27/24B01J35/10B82Y30/00B82Y40/00C01B3/04
CPCB82Y30/00B82Y40/00C01B3/042B01J27/24C01B2203/0277C01B2203/1029C01B2203/1076B01J35/60B01J35/39Y02E60/36
Inventor 方伟赵雷孙志敏陈辉何漩李薇馨田盼
Owner WUHAN UNIV OF SCI & TECH
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