a hollow bivo 4 Preparation method of micron sheet photocatalyst

A micro-sheet, hollow technology, applied in the field of preparation of hollow BiVO4 micro-sheet photocatalyst, can solve the problems of difficulty in large-scale preparation, high cost, complicated operation, etc., and achieve the effect of simple route, easy large-scale production, and enhanced photocatalytic activity.

Inactive Publication Date: 2020-01-31
WENZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current method has the disadvantages of difficult large-scale preparation, complicated operation, and high cost.

Method used

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  • a hollow bivo <sub>4</sub> Preparation method of micron sheet photocatalyst
  • a hollow bivo <sub>4</sub> Preparation method of micron sheet photocatalyst
  • a hollow bivo <sub>4</sub> Preparation method of micron sheet photocatalyst

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with the accompanying drawings. It should be noted that this embodiment is based on the technical solution, and provides detailed implementation and specific operation process, but the protection scope of the present invention is not limited to the present invention. Example.

[0039] Hollow BiVO co-modified with borate ion doping and cobalt oxide nanoparticles 4 The preparation method of micron sheet photocatalyst comprises the following steps:

[0040] S1 synthesis of hollow BiVO 4 Microflakes:

[0041] 1.1) After diluting 2mL of concentrated nitric acid into 10mL of distilled water, add 5 mmol of BiVO 4 ·5H 2 O, stir to make it dissolve, obtain solution A;

[0042] 1.2) Add 5mmol of NaVO 3 Add 1g of ethylenediaminetetraacetic acid into 8mL NaOH solution with a concentration of 4mmol / L, stir to dissolve, and obtain solution B;

[0043] 1.3) Add solution B to solution A, adjust the final pH of ...

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Abstract

The invention discloses a hollow BiVO 4 Preparation method of micron sheet photocatalyst, including: synthesis of hollow BiVO 4 Micron sheets and hollow BiVO co-modified with borate ion doping and cobalt oxide nanoparticles 4 Micron flakes. The beneficial effects of the present invention are: abundant sources of required raw materials, simple synthesis methods, scalable preparation, good repeatability, and high material stability; the materials prepared by the present invention can be used for photocatalytic degradation of organic pollutants, photocatalytic decomposition of water to produce oxygen, It has very good practical value and application prospects.

Description

technical field [0001] The invention relates to the technical field of inorganic functional nanomaterials, in particular to a hollow BiVO co-modified with borate ion doping and cobalt oxide nanoparticles 4 Preparation method of micron sheet photocatalyst. Background technique [0002] Environmental pollution and energy shortage have become important issues restricting the sustainable development of human society. The development of new energy and environmental purification materials has become a major issue for all mankind. Solar energy is the most ideal renewable resource. Using green sunlight to drive the degradation of organic pollutants, this photocatalytic technology has become an important means to solve environmental problems. [0003] The core of photocatalytic technology is the development of new and efficient photocatalysts. The commercial P25 photocatalyst has been widely used. However, the product has the disadvantage that the spectral response range is too n...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): B01J23/847B01J37/08C02F1/30C02F101/38C02F101/36C02F101/34
CPCC02F1/30B01J23/002B01J23/847B01J37/088C02F2305/10C02F2101/36C02F2101/34C02F2101/38B01J2523/00B01J35/39B01J35/40B01J2523/305B01J2523/54B01J2523/55B01J2523/845
Inventor马德琨亚伯拉罕·安德乐黄少铭
OwnerWENZHOU UNIV