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BiOCl nanosheet as well as preparation method and application thereof

A technology of nanosheets and full reaction, which is applied in the field of nanomaterial synthesis and photocatalysis, can solve the problems of complex reaction process, difficulty in expanding production, high manufacturing cost, etc., and achieve improved specific surface area, good catalytic effect, and powder shape The effect of reunion

Active Publication Date: 2021-10-08
SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the technical problems of high manufacturing cost, complex reaction process and difficulty in expanding production in the existing preparation process of BiOCl

Method used

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  • BiOCl nanosheet as well as preparation method and application thereof
  • BiOCl nanosheet as well as preparation method and application thereof
  • BiOCl nanosheet as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] 1) 370.05 g of Bi 2 o 3 , 72.93 g H 3 BO 3 , 47.72 grams of ZnO, 9.3 grams of Sb 2 o 3 (1.62mol%) glass raw material according to the ratio of powder: ball: deionized water = 1:3:2 with 400r / min planetary ball mill for 1 hour, after mixing evenly, dry in a 150°C constant temperature drying oven for 6h;

[0055] 2) Put the dried raw material in a corundum crucible, heat it at a heating rate of 5°C / min to 1000°C for 1 hour, and use an alumina stirring paddle during the heat preservation period, and the stirring rate is 10r / min;

[0056] 3) Pour the uniform glass liquid into deionized water and quench it into glass fragments;

[0057] 4) Using an alumina ball mill jar, according to the ratio of glass fragments: balls: absolute alcohol = 1:3:2, use 400r / min planetary ball mill for 0.5 hours, and dry it in a constant temperature drying oven at 110°C for 6 hours after discharge;

[0058] 5) Add 5 g of bismuth-rich glass powder with a particle size of 15 to 25 μm into 10...

Embodiment 2

[0062] The preparation process of BiOCl nanosheets in this embodiment 2 refers to embodiment 1, the difference is: in step 1), 366.74 grams of Bi 2 o 3 , 72.34 g H 3 BO 3 , 31.87 grams of ZnO, 29.05 grams of SrCO 3 , 5 grams of Sb 2 o 3 According to the ratio of powder: ball: deionized water = 1:3:2, the glass raw material was milled with 400r / min planetary ball for 1 hour, mixed evenly, and dried in a constant temperature drying oven at 150°C for 6 hours.

Embodiment 3

[0064] Refer to Example 1 for the preparation process of BiOCl nanosheets in Example 3, the difference is that in step 1), 357.08 grams of Bi 2 o 3 , 70.38 g H 3 BO 3 , 14.61 grams of ZnO, 28.38 grams of SrCO 3 , 20.56 g Na 2 CO 3 , 8.98 g Sb 2 o 3 According to the ratio of powder: ball: deionized water = 1:3:2, the glass raw material was milled with 400r / min planetary ball for 1 hour, mixed evenly, and dried in a constant temperature drying oven at 150°C for 6 hours.

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Abstract

The invention relates to a BiOCl nanosheet as well as a preparation method and application thereof. The preparation method of the BiOCl nanosheet comprises the following steps of: adding bismuth-rich glass powder into an HCl solution, fully reacting at 10-100 DEG C, and then cleaning and drying to obtain the BiOCl nanosheet.

Description

technical field [0001] The invention relates to a BiOCl nanosheet and its preparation method and application, in particular to a method for synthesizing a BiOCl photocatalytic material using bismuth-rich glass powder, which belongs to the field of nanomaterial synthesis and photo(electric) catalysis. Background technique [0002] With the rapid development of industrial technology, the problem of environmental pollution has become more and more prominent, seriously affecting and threatening human life. Photocatalytic technology is a green advanced oxidation technology, which has extensive research and application in the field of environmental pollution. The development of efficient, stable, and low-cost photocatalysts has always been a research hotspot in the field of photocatalyst research. [0003] Bismuth oxychloride (BiOCl) is a new type of photocatalyst developed in recent years. It is cheap, easy to obtain and environmentally friendly. It is a potential photocatalyst ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G29/00B01J27/06C02F1/30
CPCC01G29/00B01J27/06C02F1/30C01P2002/72C01P2004/03C01P2004/20C02F2101/308C02F2101/20C02F2305/10B01J35/39
Inventor 林慧兴董文静任海深谢天翼何飞
Owner SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI