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Carbon and nitrogen-doped full spectrum absorbing BiOCl and preparation and application methods thereof

A nitrogen-doped, full-spectrum technology, applied in chemical instruments and methods, inorganic chemistry, nanotechnology, etc., can solve problems such as undiscovered lattice spacing, and achieve short reaction time, low environmental pollution, and mild reaction conditions.

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  • Abstract
  • Description
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Problems solved by technology

[0005] Through literature search, no patents or literature reports on the preparation method of BiOCl nanosheets with increased lattice spacing and full-spectrum absorption have been found.

Method used

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  • Carbon and nitrogen-doped full spectrum absorbing BiOCl and preparation and application methods thereof
  • Carbon and nitrogen-doped full spectrum absorbing BiOCl and preparation and application methods thereof
  • Carbon and nitrogen-doped full spectrum absorbing BiOCl and preparation and application methods thereof

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Embodiment 1

[0036] Dissolve 2mmol of cetyltrimethylammonium chloride, 0.25g of grafted polyelectrolyte polymer polyethyleneimine, 0.5g of polyvinylpyrrolidone and 10mmol of urea in 50ml of ethylene glycol solution and mix, ultrasonically form solution A ;

[0037] Dissolve 2mmol bismuth nitrate in ethylene glycol solution, and ultrasonically dissolve to form solution B;

[0038] Under the action of a magnetic stirrer, solution A was quickly poured into solution B to form a light milky white colloidal precursor, which was transferred to a polytetrafluoroethylene reaction kettle with a volume of 100ml after magnetic stirring for 30 minutes. And react at 180°C for 3h;

[0039] After the reaction kettle was cooled to room temperature, the obtained precipitate was washed with deionized water, absolute ethanol and acetone, and dried at 80°C for 24 hours to obtain a light yellow solid powder;

[0040] Spread the obtained light yellow solid powder on the bottom of the crucible and place it in a...

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Abstract

The invention relates to a carbon and nitrogen-doped full spectrum absorbing BiOCl and preparation and application methods thereof. The preparation method of the carbon and nitrogen-doped full spectrum absorbing BiOCl comprises the following steps of dissolving and mixing a chlorine ion source, polyethyleneimine, polyvinyl pyrrolidone and urea in solvent to obtain a solution A; dissolving bismuthsalt into solvent to obtain a solution B; pouring the solution A into the solution B to obtain a precursor solution, uniformly stirring and then pouring the precursor solution into a reactor for thermal reaction; cooling the reactor down to room temperature to obtain precipitates, and washing and drying the precipitates to obtain solid powder; pouring the solid powder into a crucible, placing thecrucible into a muffle furnace, increasing the temperature to 350 DEG C at a heating speed of 3-5 DEG C / min, keeping the temperature and then cooling the muffle furnace down to room temperature to obtain gray powder, namely, the carbon and nitrogen-doped full spectrum absorbing BiOCl. By means of a hydrothermal method, the urea can produce gas during reaction to expand crystal lattices and meanwhile can enter into the BiOCl crystal lattices, and then by calcination, the carbon and nitrogen-doped full spectrum absorbing BiOCl can be obtained.

Description

technical field [0001] The invention relates to the field of semiconductor materials, more specifically, to a carbon- and nitrogen-doped full-spectrum absorption BiOCl and a preparation method and application thereof. Background technique [0002] The discharge of various pollutants in life and industry and the impact of the energy shortage crisis have caused great harm and restrictions to economic development and people's life and health. At present, the use of various photocatalytic materials to degrade various pollutants in life and generate new clean energy has become a research hotspot in the environment and energy under the action of photocatalytic technology. [0003] Semiconductor photocatalytic materials have attracted extensive attention in the current field of environmental photocatalysis (eg, photodegradation of organic pollutants in water, reduction of heavy metals) due to their low energy consumption, wide application range, and environmental friendliness. As ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G29/00B01J27/06B82Y40/00
CPCB82Y40/00C01G29/00B01J27/06C01P2004/20C01P2002/72B01J35/39
Inventor 吴朝辉李中付张淑敏张世英
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