CN106564935B - A kind of ZnSn (OH)6Powder and its preparation method and application - Google Patents
A kind of ZnSn (OH)6Powder and its preparation method and application Download PDFInfo
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- CN106564935B CN106564935B CN201610986307.2A CN201610986307A CN106564935B CN 106564935 B CN106564935 B CN 106564935B CN 201610986307 A CN201610986307 A CN 201610986307A CN 106564935 B CN106564935 B CN 106564935B
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000243 solution Substances 0.000 claims abstract description 59
- 239000000843 powder Substances 0.000 claims abstract description 46
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 23
- 239000002243 precursor Substances 0.000 claims abstract description 18
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 claims abstract description 14
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims abstract description 13
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000006731 degradation reaction Methods 0.000 claims abstract description 12
- 230000015556 catabolic process Effects 0.000 claims abstract description 11
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229940043267 rhodamine b Drugs 0.000 claims abstract description 10
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000011259 mixed solution Substances 0.000 claims description 17
- 238000005516 engineering process Methods 0.000 claims description 10
- 230000001699 photocatalysis Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000007146 photocatalysis Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 238000013033 photocatalytic degradation reaction Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 230000000593 degrading effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000035484 reaction time Effects 0.000 abstract description 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000011701 zinc Substances 0.000 description 42
- 238000000605 extraction Methods 0.000 description 6
- 206010001497 Agitation Diseases 0.000 description 5
- 238000013019 agitation Methods 0.000 description 5
- 229940071182 stannate Drugs 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000008204 material by function Substances 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 150000002440 hydroxy compounds Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 125000005402 stannate group Chemical group 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G19/00—Compounds of tin
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/14—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of germanium, tin or lead
-
- 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
- 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
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a kind of ZnSn (OH)6Powder and its preparation method and application, this method is by Zn (NO3)2·6H2The molten ethylene glycol solutions of O, SnCl4·5H2O is dissolved in aqueous solution, then two kinds of solution mixing systems are obtained precursor liquid, and the pH value of precursor liquid is adjusted with hydrazine hydrate, and the ZnSn (OH) for the Emission in Cubic that space group structure is Pn 3m is made by microwave-hydrothermal method6Powder.Preparation method flow of the present invention is simple, and operation is easy, and the reaction time is shorter, and reaction condition is gentle, the ZnSn (OH) of synthesis6Powder reaches 87% after ultraviolet light 30min, to the degradation rate of rhodamine B (RhB), has a good application prospect.
Description
Technical field
The invention belongs to field of functional materials, and in particular to a kind of ZnSn (OH) with excellent photocatalysis performance6Powder
And its preparation method and application.
Background technology
The energy crisis and environmental pollution phenomenon of getting worse have jeopardized human society existence.And prepare high efficiency light
The functional materials such as catalysis, photoelectricity are as solving and tackling this phenomenon, to become the most key and core technology and means.Such as
Modern contaminated wastewater becomes one of primary pollution source of China's water pollution, thus the efficient photochemical catalyst of novel green gradually into
For the hot spot of research.
Zinc hydroxyl stannate (ZnSn (OH)6) it is a kind of hydroxy compounds of typical perovskite structure, metal Sn/Zn is former
Son forms Sn (OH) with oxygen atom ligand6Octahedral structure and Zn (OH)6Octahedral structure, what these octahedra edges and corners shared
Its linking of oxygen atom and bridge beam action, and then constitute the distinctive structural framing of zinc hydroxyl stannate.Since itself has uniqueness
Architectural characteristic and low toxicity.As that studies zinc hydroxyl stannate deepens continuously, find zinc hydroxyl stannate to many organic
Pollutant has good photocatalysis performance, thus hydroxyl stannate Zinc material becomes the research hotspot in photochemical catalyst field.
At present, there is the ZnSn (OH) of excellent photocatalysis performance by microwave-hydrothermal method one-step synthesis6The work of powder is still
Report is had no, also without patent and document report mistake.
The content of the invention
It is an object of the invention to provide a kind of ZnSn (OH)6Powder and its preparation method and application, this method pass through micro-
Ripple hydro-thermal method one-step synthesis has the ZnSn (OH) of photocatalysis performance6Powder, easy to operate, reaction condition is gentle, obtained
ZnSn(OH)6Powder has Photocatalytic activity under ultraviolet light, can be applied in terms of photocatalytic degradation organic matter.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
A kind of ZnSn (OH)6Raw powder's production technology, comprises the following steps：
Step 1：By Zn (NO3)2·6H2O is dissolved in ethylene glycol solution, obtains Zn solution；
Step 2：By SnCl4·5H2O is dissolved in deionized water, obtains Sn solution；
Step 3：Molar ratio according to Zn and Sn is 2:1, Zn solution and Sn solution are mixed and stirred for uniformly, being mixed
Solution；
Step 4：Hydrazine hydrate solution is added into mixed solution, the pH value of mixed solution is adjusted, obtains precursor liquid, wherein adding
The hydrazine hydrate solution and the volume ratio of mixed solution entered is (13~17):(30~50)；
Step 5：Precursor liquid is added in microwave hydrothermal reaction kettle, microwave hydrothermal reaction kettle is placed in microwave assisted aqueous extraction heat seal
Cheng Yizhong, reacts 50~70min in 170~190 DEG C of microwave hydrothermals；
Step 6：After question response, to product washing, drying, that is, ZnSn (OH) is obtained6Powder.
Zn (NO in the Zn solution that the step 1 is prepared3)2Concentration be 0.001~0.003mol/L.
SnCl in the Sn solution that the step 2 is prepared4Concentration be 0.0005~0.0015mol/L.
The concentration of the hydrazine hydrate solution added in the step 4 is 0.4~0.8mol/L.
The power of microwave assisted hydrothermal synthesis apparatus is set in the step 5 as 280~300W.
Drying condition in the step 6 is dry 8~12h at 70~90 DEG C.
The ZnSn (OH)6ZnSn made from raw powder's production technology (OH)6Powder, the space group structure of the powder are
Pn-3m, the Emission in Cubic that crystal form is, and the powder have Photocatalytic activity under ultraviolet light.
The degradation efficiency of photocatalytic degradation rhodamine B is 87% when the powder irradiates 30min under ultraviolet light.
The ZnSn (OH)6The powder application in terms of catalytic degradation organic matter under ultraviolet light.
Relative to the prior art, beneficial effects of the present invention are：
ZnSn (OH) provided by the invention6Raw powder's production technology, with Zn (NO3)2·6H2O and SnCl4·5H2O is Zn sources
With Sn sources, Zn solution and Sn solution are prepared respectively, adding hydrazine hydrate solution after Zn solution and Sn solution are mixed adjusts pH value,
Precursor liquid is obtained, precursor liquid is added microwave hydrothermal reaction is carried out in microwave hydrothermal reaction kettle, that is, obtain ZnSn (OH)6Powder.
This method is easy to operate, and step is brief, and the reaction time is short, and reaction condition is gentle, the ZnSn by microwave-hydrothermal method one-step synthesis
(OH)6Powder, obtained ZnSn (OH)6Powder has higher Photocatalytic activity under ultraviolet light, and there is higher light to urge
Change efficiency.
ZnSn (OH) provided by the invention6Powder is Emission in Cubic ZnSn (OH)6Powder, space group structure is Pn-3m, in purple
Photocatalysis performance is excellent under outer illumination, can be applied in terms of photocatalytic degradation organic matter.
Brief description of the drawings
Fig. 1 is ZnSn (OH) prepared by the present invention6The XRD diagram of powder.
Fig. 2 is ZnSn (OH) prepared by the present invention6Degradation rate-time graph of the rhodamine B degradation of powder.
Embodiment
The present invention is described in further detail with reference to specific embodiments and the drawings.
Embodiment 1：
Step 1：By Zn (NO3)2·6H2O is dissolved in ethylene glycol solution, obtains Zn (NO3)2Concentration is the Zn of 0.002mol/L
Solution；
Step 2：By SnCl4·5H2O is dissolved in deionized water, obtains SnCl4Concentration is the Sn solution of 0.001mol/L；
Step 3：By 20mL Zn solution and 20mL Sn solution magnetic agitations to uniform, obtain mixed solution, wherein Zn with
The molar ratio of Sn is 2:1；
Step 4：The hydrazine hydrate solution (concentration 0.6mol/L) of 15mL is added in 40mL mixed solutions, it is molten to adjust mixing
The pH value of liquid, obtains precursor liquid；
Step 5：Precursor liquid is added in microwave hydrothermal reaction kettle, microwave hydrothermal reaction kettle is placed in microwave assisted aqueous extraction heat seal
Cheng Yizhong, setting power are 300W, react 60min in 180 DEG C of microwave hydrothermals；
Step 6：After question response, to product washing, 80 DEG C of dry 10h, ZnSn (OH) is obtained6Powder.
Embodiment 2：
Step 1：By Zn (NO3)2·6H2O is dissolved in ethylene glycol solution, obtains Zn (NO3)2Concentration is the Zn of 0.001mol/L
Solution；
Step 2：By SnCl4·5H2O is dissolved in deionized water, obtains SnCl4Concentration is the Sn solution of 0.0005mol/L；
Step 3：By 15mL Zn solution and 15mL Sn solution magnetic agitations to uniform, obtain mixed solution, wherein Zn with
The molar ratio of Sn is 2:1；
Step 4：The hydrazine hydrate solution (concentration 0.8mol/L) of 13mL is added in 30mL mixed solutions, it is molten to adjust mixing
The pH value of liquid, obtains precursor liquid；
Step 5：Precursor liquid is added in microwave hydrothermal reaction kettle, microwave hydrothermal reaction kettle is placed in microwave assisted aqueous extraction heat seal
Cheng Yizhong, setting power are 280W, react 70min in 170 DEG C of microwave hydrothermals；
Step 6：After question response, to product washing, 70 DEG C of dry 12h, ZnSn (OH) is obtained6Powder.
Embodiment 3：
Step 1：By Zn (NO3)2·6H2O is dissolved in ethylene glycol solution, obtains Zn (NO3)2Concentration is the Zn of 0.003mol/L
Solution；
Step 2：By SnCl4·5H2O is dissolved in deionized water, obtains SnCl4Concentration is the Sn solution of 0.0015mol/L；
Step 3：By 25mL Zn solution and 25mL Sn solution magnetic agitations to uniform, obtain mixed solution, wherein Zn with
The molar ratio of Sn is 2:1；
Step 4：The hydrazine hydrate solution (concentration 0.4mol/L) of 17mL is added in 50mL mixed solutions, it is molten to adjust mixing
The pH value of liquid, obtains precursor liquid；
Step 5：Precursor liquid is added in microwave hydrothermal reaction kettle, microwave hydrothermal reaction kettle is placed in microwave assisted aqueous extraction heat seal
Cheng Yizhong, setting power are 290W, react 50min in 190 DEG C of microwave hydrothermals；
Step 6：After question response, to product washing, 90 DEG C of dry 8h, ZnSn (OH) is obtained6Powder.
Embodiment 4：
Step 1：By Zn (NO3)2·6H2O is dissolved in ethylene glycol solution, obtains Zn (NO3)2Concentration is 0.0015mol/L's
Zn solution；
Step 2：By SnCl4·5H2O is dissolved in deionized water, obtains SnCl4Concentration is the Sn solution of 0.00075mol/L；
Step 3：By 18mL Zn solution and 18mL Sn solution magnetic agitations to uniform, obtain mixed solution, wherein Zn with
The molar ratio of Sn is 2:1；
Step 4：The hydrazine hydrate solution (concentration 0.5mol/L) of 14mL is added in 36mL mixed solutions, it is molten to adjust mixing
The pH value of liquid, obtains precursor liquid；
Step 5：Precursor liquid is added in microwave hydrothermal reaction kettle, microwave hydrothermal reaction kettle is placed in microwave assisted aqueous extraction heat seal
Cheng Yizhong, setting power are 300W, react 65min in 175 DEG C of microwave hydrothermals；
Step 6：After question response, to product washing, 75 DEG C of dry 11h, ZnSn (OH) is obtained6Powder.
Embodiment 5：
Step 1：By Zn (NO3)2·6H2O is dissolved in ethylene glycol solution, obtains Zn (NO3)2Concentration is 0.0025mol/L's
Zn solution；
Step 2：By SnCl4·5H2O is dissolved in deionized water, obtains SnCl4Concentration is the Sn solution of 0.00125mol/L；
Step 3：By 22mL Zn solution and 22mL Sn solution magnetic agitations to uniform, obtain mixed solution, wherein Zn with
The molar ratio of Sn is 2:1；
Step 4：The hydrazine hydrate solution (concentration 0.7mol/L) of 16mL is added in 44mL mixed solutions, it is molten to adjust mixing
The pH value of liquid, obtains precursor liquid；
Step 5：Precursor liquid is added in microwave hydrothermal reaction kettle, microwave hydrothermal reaction kettle is placed in microwave assisted aqueous extraction heat seal
Cheng Yizhong, setting power are 300W, react 55min in 185 DEG C of microwave hydrothermals；
Step 6：After question response, to product washing, 85 DEG C of dry 9h, ZnSn (OH) is obtained6Powder.
Fig. 1 is ZnSn (OH) prepared by the embodiment of the present invention 16The XRD spectrum of powder, it will be noted from fig. 1 that sample exists
There is absworption peak at 23.1 °, 32.8 °, 52.9 ° and 58.8 °, it belongs to ZnSn (OH)6(200), (220), (420) and
(422) crystal face, it is consistent with PDF (NO.33-1376) card, it is pure Emission in Cubic ZnSn (OH)6Material, space group structure are Pn-
3m。
Fig. 2 is ZnSn (OH) prepared by the embodiment of the present invention 16Powder under visible light rhodamine B degradation degradation rate-when
Half interval contour, wherein top curve are the degradation curve of rhodamine B itself, and lower curve is ZnSn (OH) prepared by embodiment 16Powder
The degradation curve of body photocatalytic degradation rhodamine B.As can be seen from Figure 2 ZnSn (OH) produced by the present invention6Powder is ultraviolet
After light irradiation 30min, 87% is reached to the degradation rate of rhodamine B (RhB), illustrates the ZnSn (OH) that the present invention prepares6Powder
Photocatalysis performance is excellent under ultraviolet light.
The foregoing is merely one embodiment of the present invention, is not all of or unique embodiment, this area are common
Technical staff is the present invention by reading description of the invention any equivalent conversion for taking technical solution of the present invention
Claim covered.
Claims (7)
- A kind of 1. ZnSn (OH)6Raw powder's production technology, it is characterised in that comprise the following steps：Step 1：By Zn (NO3)2·6H2O is dissolved in ethylene glycol solution, obtains Zn solution, Zn (NO in Zn solution3)2Concentration be 0.001~0.003mol/L；Step 2：By SnCl4·5H2O is dissolved in deionized water, obtains Sn solution, SnCl in Sn solution4Concentration for 0.0005~ 0.0015mol/L；Step 3：Molar ratio according to Zn and Sn is 2:1, Zn solution and Sn solution are mixed and stirred for uniformly, obtaining mixing molten Liquid；Step 4：Hydrazine hydrate solution is added into mixed solution, the pH value of mixed solution is adjusted, obtains precursor liquid, wherein add The volume ratio of hydrazine hydrate solution and mixed solution is (13~17):(30~50)；Step 5：Precursor liquid is added in microwave hydrothermal reaction kettle, microwave hydrothermal reaction kettle is placed in microwave assisted hydrothermal synthesis apparatus In, react 50~70min in 170~190 DEG C of microwave hydrothermals；Step 6：After question response, to product washing, drying, that is, ZnSn (OH) is obtained6Powder.
- 2. ZnSn (OH) according to claim 16Raw powder's production technology, it is characterised in that：Added in the step 4 The concentration of hydrazine hydrate solution is 0.4~0.8mol/L.
- 3. ZnSn (OH) according to claim 16Raw powder's production technology, it is characterised in that：Set in the step 5 micro- The power of ripple assisted hydrothermal synthesis apparatus is 280~300W.
- 4. ZnSn (OH) according to claim 16Raw powder's production technology, it is characterised in that：Drying in the step 6 Condition is dry 8~12h at 70~90 DEG C.
- 5. the ZnSn (OH) in claim 1-4 described in any one6ZnSn made from raw powder's production technology (OH)6Powder, its It is characterized in that：The space group structure of the powder is Pn-3m, and crystal form is Emission in Cubic, and the powder has photocatalysis under ultraviolet light Degrading activity.
- 6. ZnSn (OH) according to claim 56Powder, it is characterised in that：When the powder irradiates 30min under ultraviolet light The degradation efficiency of photocatalytic degradation rhodamine B is 87%.
- 7. the ZnSn (OH) described in claim 56The powder application in terms of catalytic degradation organic matter under ultraviolet light.
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| CN113697846B (en) * | 2021-08-05 | 2022-04-29 | 湖北工程学院 | ZnSnO3Preparation method of nanorod material and energy storage application thereof |
| CN113716602B (en) * | 2021-08-05 | 2023-03-24 | 湖北工程学院 | ZnSnO 3 Nano-rod/NC nano-film composite material and preparation method and application thereof |
| CN114054014B (en) * | 2021-10-26 | 2023-06-13 | 重庆第二师范学院 | Novel photocatalyst, preparation method and application thereof |
| CN115318273A (en) * | 2022-08-18 | 2022-11-11 | 电子科技大学长三角研究院(湖州) | Amorphous two-phase heterojunction photocatalyst and in-situ synthesis method thereof |
| CN116393118A (en) * | 2023-04-07 | 2023-07-07 | 重庆工商大学 | Preparation method and application of zinc hydroxystannate photocatalyst |
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