CN106587149A - Method for producing bismuth vanadate film through two-step technology - Google Patents

Method for producing bismuth vanadate film through two-step technology Download PDF

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Publication number
CN106587149A
CN106587149A CN201610977924.6A CN201610977924A CN106587149A CN 106587149 A CN106587149 A CN 106587149A CN 201610977924 A CN201610977924 A CN 201610977924A CN 106587149 A CN106587149 A CN 106587149A
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China
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thin film
bismuth
vanadic acid
preparation
hydro
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CN201610977924.6A
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郝维昌
张铮
崔丹丹
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Beihang University
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Beihang University
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G31/00Compounds of vanadium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/20Vanadium, niobium or tantalum
    • B01J23/22Vanadium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39Photocatalytic properties
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/70Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72Crystal-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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

The invention relates to a method for producing a bismuth vanadate film through a two-step technology. The method comprises the following steps: depositing a bismuth oxyiodide (BiOI) film on a glass substrate through an electrodeposition technology, carrying out a reaction on the bismuth oxyiodide film and an ammonium metavanadate solution in a reaction kettle by using a hydrothermal technology at 180 DEG C for 24 h, taking out the obtained reaction product, and washing and drying the reaction product to obtain the final film sample. The bismuth oxyiodide film with good uniformity, high visible light response and excellent performances can be obtained through controlling the electrodeposition parameters of bismuth oxyiodide and the hydrothermal time duration. The production method has the characteristics of simple process, easiness in operation, mild reaction conditions, low cost, energy saving and environmental protection.

Description

Two-step method prepares vanadic acid bismuth thin film
Technical field
The present invention relates to the use of the method that two-step method prepares vanadic acid bismuth thin film.
Background technology
Environmental pollution and energy crisis are two hang-ups most in the urgent need to address that today's society faces.In numerous environment In Treatment process, conductor oxidate can utilize sunlight as driving force to realize heterogeneous catalysiss and can as catalyst To be reacted at room temperature, with decomposing organic matter, decompose Aquatic product hydrogen product oxygen, carbon dioxide reduction and reducing heavy metal ion Etc. function.Semiconductor light-catalyst stable performance, cheap, can effectively degrade most of Organic substance, resistance to chemical attack, therefore There is very big application prospect in terms of environmental improvement.
Wherein, quasiconductor pucherite has obtained increasing concern due to its good visible light catalysis activity.Vanadic acid Bismuth mainly has three kinds of crystal structures, respectively cubic scheelite-type structure, monocline scheelite-type structure and cubic zircon structure, its band gap About 2.4eV, with good visible light catalysis activity, it is possible to achieve degraded of the hole to Organic substance, and its valence band location Positioned at 2.4eV, it is seen that decompose the very capable of Aquatic product oxygen under light.Vanadic acid bismuth thin film as light anode, under applied voltage effect, The separation in electronics and hole can be effectively realized, so as to represent good catalysis activity.And it prepares simple, stability height, does not have It is toxic, be a kind of photocatalyst of great potential, can be widely used for the environmental improvements such as photocatalytic degradation of dye and decomposition water with And the exploitation aspect of new forms of energy.
Tradition prepares the method for pucherite and has that high energy consumption, film quality be poor, the low shortcoming of yield rate.The present invention adopts two The method that footwork prepares vanadic acid bismuth thin film.Select five nitric hydrate bismuths to be bismuth source, potassium iodide is propiodal, add 1,4-benzoquinone to prepare Basic bismuth iodide precursor solution.Using electrochemical deposition method, using FTO sheet glass as working electrode, silver/silver chloride is used as reference Electrode, used as to electrode, running voltage is -0.1V to platinum filament, and sedimentation time is 300s, prepares Basic bismuth iodide thin film.Select inclined Ammonium vanadate is vanadium source, using hydro-thermal method, Basic bismuth iodide thin film is put in the reactor equipped with 50mL ammonium metavanadate solutions, hydro-thermal Temperature is 180 DEG C, and the time is 18h, and deionized water cleans sample and obtains final film sample.By control sedimentation time and Hydro-thermal duration etc., it is possible to obtain compactness is good, uniformity is good, visible light-responded high vanadic acid bismuth thin film.The preparation side of the present invention Method cost is relatively low, easily operated, and reaction condition is gentle, with energy-conservation, eco-friendly characteristic.,
The content of the invention
It is an object of the invention to provide a kind of method for preparing high-quality vanadic acid bismuth thin film.Our dispensing low cost used, Reaction condition is gentle, obtains pucherite film quality and stability is preferable;Overcome high energy consumption needed for prior art, it is of poor quality, The defect of high cost.
The present invention is a kind of preparation method of vanadic acid bismuth thin film, it is characterized by with five nitric hydrate bismuths, potassium iodide and inclined vanadium Sour ammonium is raw material, and potassium iodide is dissolved in deionized water first, adds five nitric hydrate bismuths, after stirring, adds dilute HNO3 Adjust pH to 1.7.Add and be dissolved in the subsequent with transparent conducting glass (FTO) as working electrode of dehydrated alcohol, using electrochemistry Sedimentation, running voltage is -0.1V, and sedimentation time is 300s, obtains Basic bismuth iodide thin film.Then by ammonium metavanadate be dissolved in from In sub- water, Basic bismuth iodide thin film and ammonium metavanadate are placed in reactor, hydro-thermal reaction 18h, temperature is 180 DEG C, is finally obtained Obtain vanadic acid bismuth thin film.
The thin film of the different thickness can be controlled by sedimentation time and hydro-thermal duration, the thin film grain size of preparation It is identical.The reaction mechanism is as follows:
Under conditions of back bias voltage, 1,4-benzoquinone will be reduced into Pyrogentisinic Acid, so that the local ph around running voltage Raise, so Basic bismuth iodide is deposited on the working electrode (s, finally give film sample.
In hydro-thermal reaction, the iodine oxygen root of Basic bismuth iodide is replaced by vanadic acid root, finally gives vanadic acid bismuth thin film.
BiOI+NH4VO3→BiVO4
Description of the drawings
Fig. 1 is the XRD spectrum of vanadic acid bismuth thin film and Basic bismuth iodide thin film
Fig. 2 is the visible absorption spectrum of vanadic acid bismuth thin film
Fig. 3 is the scanning electron microscope image of vanadic acid bismuth thin film
Specific embodiment
1. first 3.32g potassium iodide is dissolved in 50mL deionized waters, adds the nitric hydrate bismuths of 0.97g five, stirring is equal Dilute HNO of 600uL 1mol/L is added after even3
2. 0.49g 1,4-benzoquinone is dissolved in into 20mL dehydrated alcohol;
3. two solution are mixed, stand 2 hours;
4. electrodeposition process is adopted, and running voltage is -0.1V, sedimentation time 300s, prepares Basic bismuth iodide thin film;
The ammonium metavanadate solution of configuration 50mL 0.1mol/L, reactor is proceeded to by it with Basic bismuth iodide thin film.Hydrothermal temperature For 180 DEG C, reaction duration 18 hours obtains pucherite film sample.

Claims (8)

1. a kind of preparation method for preparing vanadic acid bismuth thin film, it is characterised in that:First sunk on the glass substrate using electro-deposition method Product Basic bismuth iodide (BiOI) thin film, then using hydro-thermal method, Basic bismuth iodide thin film and ammonium metavanadate solution is put in reactor, The reaction at 180 DEG C obtains film sample in 18 hours.
2. the preparation method of vanadic acid bismuth thin film according to claim 1, it is characterised in that:Basic bismuth iodide thin film is first deposited, Again hydro-thermal method synthesizes pucherite.
3. the preparation method of Basic bismuth iodide thin film according to claim 1, it is characterised in that:Using potassium iodide as propiodal, In being dissolved in deionized water, concentration is 0.4mol/L;Five nitric hydrate bismuths add five nitric hydrates as bismuth source in above-mentioned solution Bismuth, concentration is 0.04mol/L.Stir to solution clarification, add dilute HNO of 1mol/L3Solution, makes pH value be about 1.7.Will be to benzene Quinone is dissolved in dehydrated alcohol, and concentration is 0.23mol/L, in adding above-mentioned solution.The solution matched somebody with somebody uses electrochemistry as electrolyte Sedimentation prepares Basic bismuth iodide thin film.Running voltage is -0.1V, and sedimentation time is 300s.
4. the preparation method of vanadic acid bismuth thin film according to claim 1, it is characterised in that:Pucherite is prepared using hydro-thermal method Thin film.Configuration ammonium metavanadate solution, concentration is 0.1mol/L.The hydro-thermal time is 18h, and hydrothermal temperature is 180 DEG C.
5. the preparation method of vanadic acid bismuth thin film according to claim 1, it is characterised in that:Can be by the work of electro-deposition Voltage controls the thickness of Basic bismuth iodide.
6. the preparation method of vanadic acid bismuth thin film according to claim 1 or 5, it is characterised in that:Electro-deposition can be passed through Sedimentation time controls the thickness of thin film.
7. the preparation method of vanadic acid bismuth thin film according to claim 1, it is characterised in that:Can be by controlling hydro-thermal reaction Temperature and time control thin film thickness.
8. the preparation method of vanadic acid bismuth thin film according to claim 1, it is characterised in that:Hydro-thermal is carried out to vanadic acid bismuth thin film The temperature of synthesis is 180 DEG C, and the time is 18 hours.
CN201610977924.6A 2016-11-08 2016-11-08 Method for producing bismuth vanadate film through two-step technology Pending CN106587149A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108987569A (en) * 2018-07-27 2018-12-11 河北大学 A kind of memristor based on bismuth oxyiodide film, preparation method and application
CN109569630A (en) * 2019-01-23 2019-04-05 西北师范大学 A kind of pucherite composite material preparation loading nickel cobalt hydrotalcite nano particle and the application in photoelectricity water oxygen
CN110047657A (en) * 2019-04-02 2019-07-23 常州大学 A kind of compound preparation method for mixing molybdenum pucherite light anode of MIL series MOF
CN110656364A (en) * 2019-09-30 2020-01-07 清华大学 Method for preparing large-area bismuth vanadate film based on electrodeposition method
CN110923747A (en) * 2019-12-09 2020-03-27 中国石油大学(华东) Preparation method of bismuth ferrite photocatalytic film electrodeposition
CN111617783A (en) * 2020-06-05 2020-09-04 吉林大学 Dark red BiOI submicron sphere catalyst containing oxygen vacancies, preparation method and application thereof in hydrogen production by photocatalytic water decomposition

Citations (3)

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Publication number Priority date Publication date Assignee Title
US6464772B1 (en) * 1999-11-22 2002-10-15 Gebroeders Cappelle N.V. Bismuth-based pigments and process for their manufacture
CN103107242A (en) * 2013-01-29 2013-05-15 上海交通大学 Method for preparing bismuth vanadate solar cell on glass substrate
CN105344348A (en) * 2015-09-08 2016-02-24 徐州医学院 Preparation method for BiVO4 thin film with visible light catalysis property

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6464772B1 (en) * 1999-11-22 2002-10-15 Gebroeders Cappelle N.V. Bismuth-based pigments and process for their manufacture
CN103107242A (en) * 2013-01-29 2013-05-15 上海交通大学 Method for preparing bismuth vanadate solar cell on glass substrate
CN105344348A (en) * 2015-09-08 2016-02-24 徐州医学院 Preparation method for BiVO4 thin film with visible light catalysis property

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Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108987569A (en) * 2018-07-27 2018-12-11 河北大学 A kind of memristor based on bismuth oxyiodide film, preparation method and application
CN109569630A (en) * 2019-01-23 2019-04-05 西北师范大学 A kind of pucherite composite material preparation loading nickel cobalt hydrotalcite nano particle and the application in photoelectricity water oxygen
CN110047657A (en) * 2019-04-02 2019-07-23 常州大学 A kind of compound preparation method for mixing molybdenum pucherite light anode of MIL series MOF
CN110656364A (en) * 2019-09-30 2020-01-07 清华大学 Method for preparing large-area bismuth vanadate film based on electrodeposition method
CN110923747A (en) * 2019-12-09 2020-03-27 中国石油大学(华东) Preparation method of bismuth ferrite photocatalytic film electrodeposition
CN111617783A (en) * 2020-06-05 2020-09-04 吉林大学 Dark red BiOI submicron sphere catalyst containing oxygen vacancies, preparation method and application thereof in hydrogen production by photocatalytic water decomposition
CN111617783B (en) * 2020-06-05 2022-08-30 吉林大学 Dark red BiOI submicron sphere catalyst containing oxygen vacancies, preparation method and application thereof in hydrogen production by photocatalytic water decomposition

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