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Preparation method and application of copper-zinc-tin-sulfur nano-powder with ultrasound catalysis activity

A copper-zinc-tin-sulfur, nano-powder technology, applied in chemical instruments and methods, physical/chemical process catalysts, inorganic chemistry, etc., can solve the problems of long catalysis time, low catalytic degradation efficiency, etc., and achieve the effect of low cost

Active Publication Date: 2018-09-28
GANSU NATURAL ENERGY RES INST (UNITED NATIONS IND DEV ORG INT SOLAR TECH PROMOTION & TRANSFER CENT)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a method for preparing copper-zinc-tin-sulfur nanopowder with ultrasonic catalytic activity to solve the problems of low catalytic degradation efficiency and long catalytic time when using existing copper-zinc-tin-sulfur materials to degrade organic dyes

Method used

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  • Preparation method and application of copper-zinc-tin-sulfur nano-powder with ultrasound catalysis activity
  • Preparation method and application of copper-zinc-tin-sulfur nano-powder with ultrasound catalysis activity
  • Preparation method and application of copper-zinc-tin-sulfur nano-powder with ultrasound catalysis activity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Weigh 0.467g cupric chloride, 0.183g anhydrous zinc chloride, 0.467g tin chloride pentahydrate, 0.567g thiourea, 82.35g deionized water and stir until completely dissolved, add 2.050g PEG400, cupric chloride, chlorine The mass ratio of zinc chloride, tin chloride, thiourea, PEG400, and water is 2.55:1:2.55:3.10:11.20:450, magnetically stirred for 60 minutes, and the speed is 600 rpm.

[0032] Pour the above mixed solution into a 100ml hydrothermal reaction kettle, heat in a muffle furnace at 210°C for 30 hours and then cool to room temperature. After centrifuging for 10 minutes, remove the precipitate from the lower layer and rinse it with deionized water. Repeat the operation 6 times. Dry at 105°C for 30 hours.

[0033] TEM of the product as figure 1 Shown; The ultra-high resolution transmission electron microscope picture of the product is shown in figure 2 Shown; The X-ray diffraction spectrum of product is as image 3 shown.

[0034] This embodiment is tested f...

Embodiment 2

[0039] Weigh 0.467g cupric chloride, 0.183g anhydrous zinc chloride, 0.467g tin chloride pentahydrate, 0.567g thiourea, 82.35g deionized water, mix and stir until completely dissolved, add 1.922g PEG400, cupric chloride, chlorine The mass ratio of zinc chloride, tin chloride, thiourea, PEG400, and water is 2.55:1:2.55:3.10:10.50:450, magnetically stirred for 60 minutes, and the speed is 600 rpm.

[0040] Pour the above mixed solution into a 100ml hydrothermal reaction kettle, heat in a muffle furnace at 200°C for 24 hours and then cool to room temperature. After centrifuging for 10 minutes, remove the precipitate from the lower layer and rinse it with deionized water. Repeat the operation 6 times. Dry at 105°C for 28 hours.

[0041] This embodiment is tested for the ultrasonic catalytic performance of the prepared copper zinc tin sulfur under the condition of no light ultrasonic irradiation:

[0042] Get 20mg of the prepared copper-zinc-tin-sulfur nano-powder with ultrasonic ...

Embodiment 3

[0046] Weigh 0.467g cupric chloride, 0.183g anhydrous zinc chloride, 0.467g tin chloride pentahydrate, 0.567g thiourea, 82.35g deionized water and stir until completely dissolved, add 1.976g PEG400, cupric chloride, chlorine The mass ratio of zinc chloride, tin chloride, thiourea, PEG400, and water is 2.55:1:2.55:3.10:10.80:450, magnetically stirred for 120 minutes, and the rotation speed is 800 rpm.

[0047] Pour the above mixed solution into a 100ml hydrothermal reaction kettle, heat in a muffle furnace at 200°C for 24 hours, then cool to room temperature, centrifuge for 15 minutes, remove the lower layer of precipitate and rinse it with deionized water, repeat the operation 8 times, and put the precipitate in Dry at 100°C for 30 hours. This embodiment is tested for the ultrasonic catalytic performance of the prepared copper zinc tin sulfur under the condition of no light ultrasonic irradiation:

[0048] Get 20mg of the prepared copper-zinc-tin-sulfur nano-powder with ultra...

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Abstract

The invention discloses a preparation method and an application of copper-zinc-tin-sulfur nano-powder with an ultrasound catalysis activity, belongs to the field of nano-material preparation, and aimsto solve the problems of low catalysis degradation efficiency and long catalysis time when organic dyes are degraded by an existing copper-zinc-tin-sulfur material. According to the preparation method, copper chloride, zinc chloride, tin chloride, thiourea, PEG (polyethylene glycol) 400 and deionized water serve as raw materials, and the copper-zinc-tin-sulfur nano-powder is prepared by a hydrothermal method. According to the method, the copper-zinc-tin-sulfur nano-powder with the ultrasound catalysis activity can be simply, conveniently, rapidly and greatly prepared under conditions of highrepeatability and low cost, and the copper-zinc-tin-sulfur nano-powder can efficiently catalyze and degrade organic dyes such as methylene blue under ultrasonic irradiation without light.

Description

technical field [0001] The invention belongs to the field of preparation of nanometer materials, and in particular relates to a preparation method of copper-zinc-tin-sulfur nanometer powder with photocatalytic activity. Background technique [0002] Nanopowders have many unique properties, and reasonable structure and morphology design of nanopowders will have an important impact on material properties and applications. Copper zinc tin sulfur is a direct band gap semiconductor with safe and non-toxic constituent elements, abundant reserves in the earth's crust, and high light absorption coefficient (greater than 10 4 cm -1 ), adjustable optical bandgap and other advantages, it is one of the most promising solar cell materials. It is currently mainly used as solar cell light absorbing materials, dye-sensitized solar cell counter electrodes, etc. [0003] Copper-zinc-tin-sulfur has a high light absorption coefficient and has good spectral response in the visible light range....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G19/00B01J27/04C02F1/36C02F101/30
CPCB01J27/04C01G19/006C01P2002/72C01P2002/84C01P2004/04C02F1/36C02F2101/308
Inventor 乔俊强虎学梅
Owner GANSU NATURAL ENERGY RES INST (UNITED NATIONS IND DEV ORG INT SOLAR TECH PROMOTION & TRANSFER CENT)
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