CN112452343B - AgI-Sb 2 O 3 Composite photocatalyst and preparation method and application thereof - Google Patents

AgI-Sb 2 O 3 Composite photocatalyst and preparation method and application thereof Download PDF

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CN112452343B
CN112452343B CN202010967486.1A CN202010967486A CN112452343B CN 112452343 B CN112452343 B CN 112452343B CN 202010967486 A CN202010967486 A CN 202010967486A CN 112452343 B CN112452343 B CN 112452343B
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composite photocatalyst
visible light
antimony trioxide
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CN112452343A (en
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王继全
张高科
易程程
吴汉桥
周子悦
秦茜
马静
王童慧
聂旭
严云成
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Hubei Province Engineering Consulting Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39—Photocatalytic properties
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    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/06—Halogens; Compounds thereof
    • B01J27/08—Halides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract

The invention relates to AgI-Sb 2 O 3 The preparation method of the composite photocatalyst comprises the steps of preparing AgI-Sb by using antimony trioxide, potassium iodide and silver nitrate as raw materials and adopting an in-situ deposition method 2 O 3 A composite photocatalyst is provided. AgI-Sb 2 O 3 The preparation of the composite photocatalyst adopts an in-situ deposition method, and has the advantages of simple operation, mild reaction conditions and short preparation time; agI-Sb prepared by in-situ deposition method 2 O 3 The composite photocatalyst can effectively promote the separation of photo-generated carriers, improve the photocatalytic activity of visible light, has strong visible light response, and has high photocatalytic degradation activity on an acid red G solution under the irradiation of visible light, thereby embodying the AgI-Sb 2 O 3 The composite photocatalyst has good photocatalytic performance under visible light.

Description

AgI-Sb 2 O 3 Composite photocatalyst and preparation method and application thereof
Technical Field
The invention relates to the technical field of photocatalysis and new materials, in particular to AgI-Sb 2 O 3 A composite photocatalyst and a preparation method and application thereof.
Background
At present, how to effectively treat environmental pollution, relieve energy crisis and realize sustainable development becomes an important research subject. The photocatalytic material and the technology can utilize inexhaustible solar energy in the nature to degrade pollutants and convert energy under mild conditions, and provide a new way for solving the energy and environment problems. Among the numerous photocatalytic materials, tiO 2 The photocatalyst material has the advantages of low cost, redox capability, high photochemical stability and the like, and is one of the currently concerned photocatalytic materials.
However, with TiO 2 Many of the traditional catalysts represented by the above are not fully capable of sustainable development, and one of the important reasons is that TiO is used 2 The band gap is wide and can be excited only under the irradiation of ultraviolet light, which results in low utilization rate of solar energy, and in addition, tiO 2 The lower quantum efficiency also severely limits its further applications. Therefore, developing a novel photocatalytic material with high photocatalytic activity under visible light has become a research hotspot in the field of photocatalysis.
Antimony trioxide (Sb) 2 O 3 ) Have been widely used as photocatalysts, flame retardant materials, gas and chemical sensors in optoelectronic and optoelectronic devices. Sb 2 O 3 As a photocatalyst, the photocatalyst has the defects of wide band gap, insufficient visible light absorption, small surface area, rapid recombination of photo-generated electron-hole pairs and the like, but the photocatalytic effect can be promoted by compounding with a material with narrow band gap, and in addition, silver halide has strong visible light response and is a hotspot of research in the current photocatalytic field because of prominent expression in photocatalytic degradation of environmental pollutants, wherein AgI has a narrow band gap but poor AgI stability and is easy to decompose under the irradiation of light, thereby seriously hindering the application of the silver halide in the photocatalytic field. Therefore, a structure with matched energy levels is selectedThe semiconductor and the AgI are combined to form the composite material, so that the absorption range of visible light and the photocatalytic stability of the visible light can be effectively enhanced, and the application of the composite material in the aspect of photocatalytic degradation of organic pollutants can be expanded.
Disclosure of Invention
The technical problem to be solved by the invention is to provide AgI-Sb 2 O 3 A composite photocatalyst, a preparation method and application thereof, aiming at overcoming the defects in the prior art.
The technical scheme for solving the technical problems is as follows: agI-Sb 2 O 3 The preparation method of the composite photocatalyst comprises the following steps:
uses antimony trioxide, potassium iodide and silver nitrate as raw materials to prepare AgI-Sb by an in-situ deposition method 2 O 3 A composite photocatalyst is provided.
Further, the method specifically comprises the following steps:
s100, adding antimony trioxide into deionized water, and performing ultrasonic treatment to obtain an antimony trioxide suspension;
s200, adding potassium iodide into the antimony trioxide suspension under the condition of stirring to obtain potassium iodide-antimony trioxide suspension;
s300, dropwise adding a silver nitrate solution into the potassium iodide-antimony trioxide suspension to obtain a light yellow precipitate, namely AgI-Sb 2 O 3 A composite photocatalyst is provided.
Further, agI-Sb obtained in S300 2 O 3 AgI and Sb of composite photocatalyst 2 O 3 The mass ratio is 0.4: 1-0.8.
AgI-Sb 2 O 3 The composite photocatalyst is prepared by the preparation method.
The AgI-Sb 2 O 3 AgI-Sb prepared by preparation method of composite photocatalyst 2 O 3 The application of the composite photocatalyst in photocatalytic degradation of organic pollutants.
The invention has the beneficial effects that:
AgI-Sb 2 O 3 the preparation of the composite photocatalyst adopts in-situThe deposition method has the advantages of simple operation, mild reaction conditions and short preparation time;
AgI-Sb prepared by in-situ deposition method 2 O 3 The composite photocatalyst can effectively promote the separation of photo-generated carriers, improve the photocatalytic activity of visible light, has strong visible light response, and has high photocatalytic degradation activity on an acid red G solution under the irradiation of visible light, thereby embodying the AgI-Sb 2 O 3 The composite photocatalyst has good photocatalytic performance under visible light.
Drawings
In FIG. 1, the respective curves are Sb 2 O 3 The composite photocatalysts prepared in the embodiments 1, 2 and 3 and an XRD spectrogram of AgI;
in FIG. 2, the curves are respectively the acid red G solution in AgI and Sb 2 O 3 The photocatalytic degradation effect curves of the composite photocatalysts prepared in the embodiments 1, 2 and 3 are shown.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
In the present invention, agI-Sb is prepared 2 O 3 The photocatalytic activity of the composite photocatalyst is evaluated by photocatalytic degradation of an acid red G solution. The experimental procedure was as follows: the initial concentration of acid red G is 50mg/L, a 420nm single-wavelength LED lamp (100W) is used as a lamp source to provide visible light, and 0.02G of AgI/Sb is weighed during the experiment 2 O 3 Adding 100mL of acid red G solution to simulate printing and dyeing wastewater in a 500mL beaker, and stirring for 30min under a dark condition to fully disperse the catalyst in the solution; then, turning on a light source, and sucking a small amount of reaction liquid every 10 min; the absorbance of the solution is measured by adopting an ultraviolet-visible spectrophotometer, so that the degradation rate of the acid red G solution in a certain time is calculated, and the AgI-Sb is further treated 2 O 3 And evaluating the photocatalytic activity of the composite photocatalyst.
Example 1
AgI-Sb 2 O 3 The preparation method of the composite photocatalyst comprises the following steps:
0.4g of Sb 2 O 3 Adding into 20mL deionized water, performing ultrasonic treatment for 10min to disperse uniformly to obtain white Sb 2 O 3 A suspension;
according to AgI and Sb 2 O 3 Weighing 0.1131gKI at a mass ratio of 40%, and adding into white Sb under continuous stirring 2 O 3 Stirring the suspension for 10min at room temperature to obtain KI-Sb 2 O 3 Compounding the suspension;
according to AgI and Sb 2 O 3 Weighing 0.1158g of AgNO with the mass ratio of 40 percent 3 In 20mL of deionized water to obtain AgNO 3 A solution;
20mL of AgNO 3 The solution was added dropwise to KI-Sb with constant stirring 2 O 3 In-situ generation of AgI-Sb in composite suspension 2 O 3 Centrifuging the obtained solid product, washing the prepared precipitate with deionized water for 4 times, centrifuging, drying at 60 deg.C for 2 hr to obtain AgI-Sb 2 O 3 Composite photocatalyst, marked AgI-Sb 2 O 3 -1。
As shown in FIG. 1, agI-Sb 2 O 3 -1 sample XRD diffraction peak position and Sb 2 O 3 (JCPDS 05-0534) the standard peak positions are the same, indicating that Sb is in the composite catalyst 2 O 3 The phase is not changed; the XRD diffraction peak of AgI (JCPDS 09-0374) appears in the XRD pattern by adding potassium iodide and silver nitrate respectively, and the AgI-Sb is proved to be 2 O 3 -1 the composite material is successfully prepared.
AgI-Sb synthesized in this example 1 2 O 3 In an experiment for degrading the acid red G solution, the adding amount of the composite photocatalyst is 200mg/L, and the degradation rate of the acid red G solution is about 70% after 60min (see figure 2); sb 2 O 3 The material has no degradation to the acid red G solution within 60min under visible light, and the degradation rate of the AgI material to the acid red G solution within 60min under visible light is only 5%, which indicates that the AgI-Sb prepared by the method has high stability and good stability 2 O 3 The composite photocatalyst has good photocatalytic activity.
Example 2
AgI-Sb 2 O 3 The preparation method of the composite photocatalyst comprises the following steps:
0.4g of Sb 2 O 3 Adding into 20mL deionized water, performing ultrasonic treatment for 10min to disperse uniformly to obtain white Sb 2 O 3 A suspension;
according to AgI and Sb 2 O 3 Weighing 0.1697gKI at a mass ratio of 60%, and adding into white Sb under continuous stirring 2 O 3 Stirring the suspension for 10min at room temperature to obtain KI-Sb 2 O 3 Compounding the suspension;
according to AgI and Sb 2 O 3 Weighing 0.1737g of AgNO with the mass ratio of 60 percent 3 In 20mL of deionized water to obtain AgNO 3 A solution;
20mL of AgNO 3 The solution was added dropwise to KI-Sb with constant stirring 2 O 3 In-situ generation of AgI-Sb in composite suspension 2 O 3 The composite material is prepared by centrifugally separating the obtained solid product, washing the prepared precipitate with deionized water for 4 times, centrifugally separating, drying at 60 ℃ for 2 hours and finally obtaining AgI-Sb 2 O 3 Composite photocatalyst, marked AgI-Sb 2 O 3 -2。
As shown in FIG. 1, agI-Sb 2 O 3 -2 sample XRD diffraction peak position and Sb 2 O 3 (JCPDS 05-0534) the standard peak positions are the same, indicating that Sb is in the composite catalyst 2 O 3 The phase is not changed; the XRD diffraction peak of AgI (JCPDS 09-0374) appears in the XRD pattern by adding potassium iodide and silver nitrate respectively, and the AgI-Sb is proved to be 2 O 3 -2 successful preparation of composite materials with AgI and Sb 2 O 3 The increase of the amount of addition and the increase of the intensity of the XDD diffraction peak of AgI indicate that AgI-Sb 2 O 3 Increase in AgI content in-2.
The AgI-Sb synthesized in example 2 2 O 3 Composite photocatalyst in degrading acid red G solutionIn the experiment of the solution, the dosage of the catalyst is 200mg/L, and the degradation rate of the acid red G solution after 60min is about 98 percent (see figure 2); sb 2 O 3 The material has no degradation to acid red G solution within 60min under visible light, the degradation rate of AgI material to acid red G solution within 60min under visible light is only 5%, and AgI-Sb prepared by in-situ deposition method 2 O 3 The degradation rate of the composite photocatalyst to acid red G solution reaches 98 percent, and the photocatalytic activity of the composite photocatalyst is far higher than that of Sb 2 O 3 And AgI, illustrating AgI-Sb prepared by the method 2 O 3 In the composite photocatalyst, agI and Sb 2 O 3 The composite of (A) and (B) is beneficial to enhancing the absorption range of visible light and the photocatalytic reaction.
Example 3
AgI-Sb 2 O 3 The preparation method of the composite photocatalyst comprises the following steps:
0.4g of Sb 2 O 3 Adding into 20mL deionized water, performing ultrasonic treatment for 10min to disperse uniformly to obtain white Sb 2 O 3 A suspension;
according to AgI and Sb 2 O 3 Weighing 0.2263gKI at a mass ratio of 80%, and adding into the white Sb under continuous stirring 2 O 3 Stirring the suspension for 10min at room temperature to obtain KI-Sb 2 O 3 Compounding the suspension;
according to AgI and Sb 2 O 3 Weighing 0.2316g of AgNO according to the mass ratio of 80 percent 3 In 20mL of deionized water to obtain AgNO 3 A solution;
20mL of AgNO 3 The solution was added dropwise to KI-Sb with constant stirring 2 O 3 In-situ generation of AgI-Sb in composite suspension 2 O 3 The composite material is prepared by centrifugally separating the obtained solid product, washing the prepared precipitate with deionized water for 4 times, centrifugally separating, drying at 60 ℃ for 2 hours and finally obtaining AgI-Sb 2 O 3 Composite photocatalyst marked as AgI-Sb 2 O 3 -3。
As shown in FIG. 1, agI-Sb 2 O 3 -3 sample XRD diffraction peak position and Sb 2 O 3 (JCPDS 05-0534) the standard peak positions are the same, indicating that Sb is in the composite catalyst 2 O 3 The phase is not changed; the XRD diffraction peak of AgI (JCPDS 09-0374) appears in the XRD pattern by adding potassium iodide and silver nitrate respectively, and the AgI-Sb is proved to be 2 O 3 -3 the composite material was successfully prepared, and with AgI and Sb 2 O 3 The increase of the amount of addition and the increase of the intensity of the XDD diffraction peak of AgI indicate that AgI-Sb 2 O 3 -3 increased AgI content.
AgI-Sb synthesized in this example 3 2 O 3 In an experiment for degrading the acid red G solution, the adding amount of the composite photocatalyst is 200mg/L, and the degradation rate of the acid red G solution is about 83% after 60min (see figure 2); sb 2 O 3 The material has no degradation to the acid red G solution within 60min under visible light, and the degradation rate of the AgI material to the acid red G solution within 60min under visible light is only 5%, which indicates that the AgI-Sb prepared by the method has high stability and good stability 2 O 3 The composite photocatalyst has good photocatalytic activity.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (1)

1. AgI-Sb 2 O 3 The application of the composite photocatalyst is characterized in that AgI-Sb 2 O 3 Application of composite photocatalyst in photocatalytic degradation of acid red G, agI-Sb 2 O 3 The preparation method of the composite photocatalyst comprises the following steps:
uses antimony trioxide, potassium iodide and silver nitrate as raw materials to prepare AgI-Sb by an in-situ deposition method 2 O 3 A composite photocatalyst;
the method specifically comprises the following steps:
s100, adding antimony trioxide into deionized water, and performing ultrasonic treatment to obtain an antimony trioxide suspension;
s200, adding potassium iodide into the antimony trioxide suspension under the condition of stirring to obtain potassium iodide-antimony trioxide suspension;
s300, dropwise adding a silver nitrate solution into the potassium iodide-antimony trioxide suspension to obtain a light yellow precipitate, namely AgI-Sb 2 O 3 A composite photocatalyst;
the obtained AgI-Sb 2 O 3 AgI and Sb of composite photocatalyst 2 O 3 The mass ratio is 0.4:1 to 0.8.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005034716A (en) * 2003-07-18 2005-02-10 National Institute For Materials Science Visible light responsive photocatalyst comprising bismuth composite oxide of alkali metal and silver, and harmful chemical substance decomposing and removing method using it
CN104148050A (en) * 2014-07-23 2014-11-19 陕西科技大学 Preparation method for Sb2O3/SnO2 composite photocatalytic material
CN104492464A (en) * 2015-01-09 2015-04-08 江苏大学 Preparation method of silver iodide/beta type bismuth oxide composite material
CN105854905A (en) * 2016-05-06 2016-08-17 江苏大学 Silver iodide/tungsten oxide composite nanomaterial and preparation method and application thereof
CN108014822A (en) * 2017-12-05 2018-05-11 福州大学 A kind of preparation method and application of silver iodide/selenic acid bismuth composite material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005034716A (en) * 2003-07-18 2005-02-10 National Institute For Materials Science Visible light responsive photocatalyst comprising bismuth composite oxide of alkali metal and silver, and harmful chemical substance decomposing and removing method using it
CN104148050A (en) * 2014-07-23 2014-11-19 陕西科技大学 Preparation method for Sb2O3/SnO2 composite photocatalytic material
CN104492464A (en) * 2015-01-09 2015-04-08 江苏大学 Preparation method of silver iodide/beta type bismuth oxide composite material
CN105854905A (en) * 2016-05-06 2016-08-17 江苏大学 Silver iodide/tungsten oxide composite nanomaterial and preparation method and application thereof
CN108014822A (en) * 2017-12-05 2018-05-11 福州大学 A kind of preparation method and application of silver iodide/selenic acid bismuth composite material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
不同形貌Sb2O3的控制合成及其光催化性能研究;韩秀萍等;《人工晶体学报》;20180831;第47卷(第8期);摘要，正文1、3.4、4部分 *

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