CN103086340A - Polycrystalline-phase bismuth phosphate nano-powder and preparation method thereof - Google Patents
Polycrystalline-phase bismuth phosphate nano-powder and preparation method thereof Download PDFInfo
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- CN103086340A CN103086340A CN2011103396454A CN201110339645A CN103086340A CN 103086340 A CN103086340 A CN 103086340A CN 2011103396454 A CN2011103396454 A CN 2011103396454A CN 201110339645 A CN201110339645 A CN 201110339645A CN 103086340 A CN103086340 A CN 103086340A
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Abstract
The invention provides a polycrystalline-phase bismuth phosphate nano-powder and a preparation method thereof. The powder is hexagonal-phase and low-temperature monoclinic-phase bismuth phosphate with an average particle size of 20-500nm. According to the invention, bismuth phosphate nano-powers with different crystal structures are obtained under room temperature. The phase content of the bismuth phosphate nano-powers is dependent on the types of chemical reagents: low-temperature monoclinic-phase bismuth phosphate is obtained by using alcohol solvents; hexagonal-phase bismuth phosphate is obtained by using alkane and aromatic hydrocarbon solvents; a mixed phase of low-temperature monoclinic-phase and hexagonal-phase bismuth phosphate is obtained by using ether, ketone, aldehyde, and carboxylic acid solvents; and hexagonal-phase bismuth phosphate can also be obtained with water as a solvent. The hexagonal-phase and low-temperature monoclinic-phase bismuth phosphate nano-powder can be used as a luminescent substrate material and a catalytic material.
Description
Technical field
The present invention relates to the polycrystalline bismuth phosphate nanometer powder body and preparation method thereof mutually in nano luminescent and catalytic material field.
Background technology
Nano luminescent material is at aspects such as light, electricity, magnetic, compare with its block materials, shown the character of many novelties, it is in various fields, as LEDs, Laser Devices, biomarker and imaging etc., there is potential application, caused the great interest of Chinese scholars, become the forward position content that nano photoelectric is learned.Traditional nano luminescent substrate material such as Yttrium Orthovanadate, calcium wolframate can not satisfy the needs of society, in the urgent need to the nano luminescent substrate material of development of new.The energy level coupling of the crystalline structure of bismuth phosphate and electronic structure and rare earth ion similar to RE phosphate, therefore, it is a kind of novelty and the nano luminescent substrate material with broad prospect of application.In addition, bismuth phosphate also has a wide range of applications in the separation of photochemical catalysis, ionization sensor, radioelement and the fields such as modification of phosphate glass conductivity.In three kinds of crystal phase structures (as hexagonal phase, low temperature monoclinic phase, high temperature monoclinic phase) of bismuth phosphate, hexagonal phase and low temperature monoclinic phase have excellent catalysis and luminescent properties and special stability.Yet the preparation of polycrystalline phase bismuth phosphate is still very few so far, and is mainly to adopt microwave method, hydrothermal method and chemical Vapor deposition process.These method complicated operations, technique is loaded down with trivial details, unlikely realizes scale operation.The present invention has at room temperature successfully prepared hexagonal phase and low temperature monoclinic phase bismuth phosphate by changing reaction solvent, and the relative content of two-phase depends on the kind of chemical reagent: alcoholic solvent obtains low temperature monoclinic phase bismuth phosphate; Alkane, aromatic hydrocarbon solvent obtain the hexagonal phase bismuth phosphate; Ether, ketone, aldehyde, carboxylic-acid solvent obtain the mixed phase of low temperature monoclinic phase and hexagonal phase bismuth phosphate; Water is that solvent obtains the hexagonal phase bismuth phosphate.By changing simply the reaction reagent content of modulation hexagonal phase and low temperature monoclinic phase effectively.This preparation method is simple, practical, efficient, low cost, and prepared material is luminous and catalytic performance excellent.
Summary of the invention
The purpose of this invention is to provide polycrystalline phase bismuth phosphate nanometer powder body and preparation method thereof, by the control of reaction reagent, the phase content of modulation hexagonal phase and low temperature monoclinic phase bismuth phosphate effectively.
Polycrystalline phase bismuth phosphate nanometer powder body provided by the present invention is characterized in that: this powder is hexagonal phase and low temperature monoclinic phase bismuth phosphate, and its median size is 20～500nm.
This polycrystalline phase bismuth phosphate can prepare according to the method that comprises the steps:
(1) bismuth salt and rare-earth salts are dissolved in solvent, add phosphoric acid salt, fully reaction obtains suspension; Described bismuth salt, rare-earth salts and phosphoric acid salt are with the chemical constitution ratio weighing of bismuth phosphate and doped with rare-earth elements thereof;
(2) with the suspension centrifugation that obtains, and with deionized water and absolute ethanol washing, drying obtains polycrystalline phase bismuth phosphate nanometer powder body.
Bismuth salt in above-mentioned steps (1) is one or both in five nitric hydrate bismuths, bismuth chloride; Rare-earth salts in step (1) is one or several in group of the lanthanides or actinium series salt; Solvent is the alkanes such as hexanaphthene, normal butane; The arene such as benzene, naphthane; The ethers such as n-butyl ether, ethylene glycol monomethyl ether, diethylene glycol dimethyl ether; The ketone such as acetone, pimelinketone; The aldehydes such as octanal, phenylacetic aldehyde; The acids such as formic acid, propionic acid; The alcohols such as dehydrated alcohol, ethylene glycol, polyoxyethylene glycol, phenylcarbinol, hexalin; Deionized water a kind of; Phosphoric acid salt is one or more in primary ammonium phosphate, sodium phosphate, Sodium phosphate dibasic.
The present invention utilizes the process characteristic of coprecipitation method, by Optimizing Process Parameters, adjusts reactant and solvent species, obtains hexagonal phase and low temperature monoclinic phase bismuth phosphate and rear-earth-doped bismuth phosphate thereof.The present invention is at room temperature by changing the reaction reagent phase content of modulation hexagonal phase and low temperature monoclinic phase bismuth phosphate effectively, is a kind of very simple and be easy to the preparation method of large-scale production.
Hexagonal phase of the present invention and low temperature monoclinic phase bismuth phosphate can be used as luminous host material (doped with rare-earth elements) and catalytic material (rare earth element undopes).
Description of drawings
Fig. 1 is the X-ray diffracting spectrum of low temperature monoclinic phase bismuth phosphate in embodiment 1.
Fig. 2 is the transmission electron microscope photo of the whole pattern of low temperature monoclinic phase bismuth phosphate in embodiment 1.
Fig. 3 is optical excitation and the emission spectrum collection of illustrative plates of low temperature monoclinic phase bismuth phosphate in embodiment 1.
Fig. 4 is the catalytic performance figure of low temperature monoclinic phase bismuth phosphate in embodiment 1.
Fig. 5 is the X-ray diffracting spectrum of hexagonal phase bismuth phosphate in embodiment 2.
Fig. 6 is the transmission electron microscope photo of the whole pattern of hexagonal phase bismuth phosphate in embodiment 2.
Fig. 7 is optical excitation and the emission spectrum collection of illustrative plates of hexagonal phase bismuth phosphate in embodiment 2.
Fig. 8 is the catalytic performance figure of hexagonal phase bismuth phosphate in embodiment 1.
Embodiment
Main implementation process of the present invention is:
(1) take bismuth salt as starting raw material, it is joined in solvent, add or do not add rare-earth salts, stir and obtain uniform suspension or settled solution, weighing phosphoric acid salt joins in solution, and under room temperature, reaction obtains suspension;
(2) with the suspension centrifugation that obtains, use respectively deionized water and absolute ethanol washing, adulterated after drying or the polycrystalline phase bismuth phosphate of doped with rare-earth elements not.
Further illustrate by the following examples characteristics of the present invention, but be not limited to embodiment.
Experimental technique in following embodiment if no special instructions, is ordinary method.
Embodiment 1:
Take five nitric hydrate bismuths as starting raw material, and add or do not add six nitric hydrate europiums, it is joined in ethanol solution, stirring and make its dissolving; The weighing primary ammonium phosphate joins in solution, and under room temperature, reaction obtained suspension in 4 hours; With the suspension centrifugation, with dehydrated alcohol and ionized water washing, the bismuth phosphate of europium is mixed or is not mixed in oven dry respectively.Fig. 1 is the X-ray diffracting spectrum of the bismuth phosphate of embodiment preparation for this reason, can find out from collection of illustrative plates, and its phase is low temperature monoclinic phase bismuth phosphate.Fig. 2 is the photo of embodiment gained sample whole pattern under transmission electron microscope for this reason, and the sample average particle diameter is 20nm.Fig. 3 embodiment for this reason adds the excitation and emission spectra figure of the synthetic low temperature monoclinic phase bismuth phosphate of six nitric hydrate europiums, can find out from collection of illustrative plates, and maximum excitation wavelength is 394nm, and emission wavelength is 593nm.Its Fig. 4 is not for adding the synthetic low temperature monoclinic phase bismuth phosphate of six nitric hydrate europiums to the ultraviolet degradation performance map of methylene blue (concentration is 10ppm), and as can be seen from the figure, its degradation time is 80 minutes.
Embodiment 2:
Take five nitric hydrate bismuths as starting raw material, and add or do not add six nitric hydrate europiums, it is joined in benzole soln, stirring and make its dissolving; The weighing primary ammonium phosphate joins in solution, and under room temperature, reaction obtained suspension in 4 hours; With the suspension centrifugation, use respectively dehydrated alcohol and deionized water wash, the bismuth phosphate of europium is mixed or is not mixed in oven dry.Fig. 5 is the X-ray diffracting spectrum of the bismuth phosphate of embodiment preparation for this reason, can find out that by collection of illustrative plates its phase is the hexagonal phase bismuth phosphate.Fig. 6 is the transmission electron microscope photo of embodiment gained sample for this reason, and the sample average particle diameter is 500nm.Fig. 7 embodiment for this reason adds the spectrogram of the synthetic hexagonal phase bismuth phosphate of six nitric hydrate europiums, can find out from collection of illustrative plates, and maximum excitation wavelength is 394nm, and emission wavelength is 593nm.Fig. 8 is not for adding the synthetic hexagonal phase bismuth phosphate of six nitric hydrate europiums to the ultraviolet degradation performance map of methylene blue (concentration is 10ppm), and as can be seen from the figure, its degradation time is 85 minutes.
Embodiment 3:
Take five nitric hydrate bismuths as starting raw material, and add or do not add six nitric hydrate europiums, it is joined in deionized water, stirring and make the even suspension liquid of its formation; The weighing primary ammonium phosphate adds in mentioned solution, and under room temperature, reaction obtained suspension in 4 hours; Suspension is obtained bismuth phosphate with the deionized water washing and drying.By X-ray diffracting spectrum as can be known its phase be the hexagonal phase bismuth phosphate.The median size of transmission electron microscope photo show sample is 300nm.Fluorescent spectroscopy its maximum excitation wavelength as can be known is 394nm, and emission wavelength is 593nm.Methylene blue ultraviolet degradation results its degradation time as can be known is 83 minutes.
Embodiment 4:
Take five nitric hydrate bismuths as starting raw material, and add or do not add six nitric hydrate europiums, it is joined in propionic acid solution, stirring and obtain uniform suspension liquid; The weighing primary ammonium phosphate adds in mentioned solution, and under room temperature, reaction obtained suspension in 4 hours; Obtain bismuth phosphate with the suspension centrifugation and with ethanol and deionized water wash oven dry.By X-ray diffracting spectrum as can be known its phase be the mixed phase of hexagonal phase and low temperature monoclinic phase bismuth phosphate.The median size of transmission electron microscope photo show sample is 260nm.Fluorescent spectroscopy its maximum excitation wavelength as can be known is 394nm, and emission wavelength is 593nm.Methylene blue ultraviolet degradation results its degradation time as can be known is 86 minutes.
Embodiment 5:
Take five nitric hydrate bismuths as starting raw material, and add or do not add six nitric hydrate europiums, it is joined in diethylene glycol dimethyl ether solution, stirring and obtain uniform suspension liquid; The weighing primary ammonium phosphate adds in mentioned solution, and under room temperature, reaction obtained suspension in 4 hours; Obtain bismuth phosphate with the suspension centrifugation and with ethanol and deionized water wash oven dry.By X-ray diffracting spectrum as can be known its phase be the mixed phase of hexagonal phase and low temperature monoclinic phase bismuth phosphate.The median size of transmission electron microscope photo show sample is 180nm.Fluorescent spectroscopy its maximum excitation wavelength as can be known is 394nm, and emission wavelength is 593nm.Methylene blue ultraviolet degradation results its degradation time as can be known is 82 minutes.
Embodiment 6:
Take five nitric hydrate bismuths as starting raw material, and add or do not add six nitric hydrate europiums, it is joined in acetone soln, stirring and obtain uniform suspension liquid; The weighing primary ammonium phosphate adds in mentioned solution, and under room temperature, reaction obtained suspension in 4 hours; Obtain bismuth phosphate with the suspension centrifugation and with ethanol and deionized water wash oven dry.By X-ray diffracting spectrum as can be known its phase be the mixed phase of hexagonal phase and low temperature monoclinic phase bismuth phosphate.The median size of transmission electron microscope photo show sample is 130nm.Fluorescent spectroscopy its maximum excitation wavelength as can be known is 394nm, and emission wavelength is 593nm.Methylene blue ultraviolet degradation results its degradation time as can be known is 81 minutes.
Embodiment 7:
Take five nitric hydrate bismuths as starting raw material, and add or do not add six nitric hydrate europiums, it is joined in ethylene glycol solution, stirring and obtain uniform suspension liquid; The weighing primary ammonium phosphate adds in mentioned solution, and under room temperature, reaction obtained suspension in 4 hours; Obtain bismuth phosphate with the suspension centrifugation and with ethanol and deionized water wash oven dry.By X-ray diffracting spectrum as can be known its phase be low temperature monoclinic phase bismuth phosphate.The median size of transmission electron microscope photo show sample is 430nm.Fluorescent spectroscopy its maximum excitation wavelength as can be known is 394nm, and emission wavelength is 593nm.Methylene blue ultraviolet degradation results its degradation time as can be known is 79 minutes.
Embodiment 8:
Take five nitric hydrate bismuths as starting raw material, and add or do not add six nitric hydrate europiums, it is joined in cyclohexane solution, stirring and obtain uniform suspension liquid; The weighing primary ammonium phosphate adds in mentioned solution, and under room temperature, reaction obtained suspension in 4 hours; Obtain bismuth phosphate with the suspension centrifugation and with ethanol and deionized water wash oven dry.By X-ray diffracting spectrum as can be known its phase be the hexagonal phase bismuth phosphate.The median size of transmission electron microscope photo show sample is 180nm.Fluorescent spectroscopy its maximum excitation wavelength as can be known is 394nm, and emission wavelength is 593nm.Methylene blue ultraviolet degradation results its degradation time as can be known is 84 minutes.
Claims (4)
1. polycrystalline phase bismuth phosphate nanometer powder body, it is characterized in that: this powder is hexagonal phase and low temperature monoclinic phase bismuth phosphate, and its median size is 20～500nm.
2. the preparation method of the bismuth phosphate nanometer powder body of a claim 1, comprise the steps:
(1) bismuth salt and rare-earth salts are dissolved in solvent, add phosphoric acid salt, fully reaction obtains suspension; Described bismuth salt, rare-earth salts and phosphoric acid salt are with the chemical constitution ratio weighing of bismuth phosphate and doped with rare-earth elements thereof;
(2) with the suspension centrifugation that obtains, and with deionized water and absolute ethanol washing, drying obtains polycrystalline phase bismuth phosphate nanometer powder body.
3. the preparation method of polycrystalline phase bismuth phosphate nanometer powder body as claimed in claim 2, it is characterized in that: the bismuth salt in described step (1) can be one or both in five nitric hydrate bismuths or bismuth chloride; Described rare-earth salts is one or several in group of the lanthanides or actinium series salt; Described solvent is a kind of of alkane, aromatic hydrocarbon, ether, ketone, aldehyde, carboxylic acid, alcohol or deionized water;
4. the preparation method of polycrystalline phase bismuth phosphate nanometer powder body as claimed in claim 2, it is characterized in that: the phosphoric acid salt in described step (1) is one or both in primary ammonium phosphate, sodium phosphate or Sodium phosphate dibasic.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491301A (en) * | 2011-12-04 | 2012-06-13 | 中国科学院福建物质结构研究所 | Bismuth phosphate nanometer powder body and preparation method thereof |
| CN103433077A (en) * | 2013-09-11 | 2013-12-11 | 江南大学 | Three-element composite photocatalyst and preparation method thereof |
| CN103433078A (en) * | 2013-09-11 | 2013-12-11 | 江南大学 | Conductive polymer/BiPO4 composite photocatalyst and preparation method thereof |
| CN103586055A (en) * | 2013-11-26 | 2014-02-19 | 中国科学院福建物质结构研究所 | Application of bismuth phosphate compound serving as catalyst for photochemical water splitting hydrogen production |
| CN104014356A (en) * | 2014-05-30 | 2014-09-03 | 扬州天辰精细化工有限公司 | Preparation method of phosphorus doped bismuth phosphate photocatalyst |
| CN105498814A (en) * | 2015-11-25 | 2016-04-20 | 中国环境管理干部学院 | Preparation method of lanthanum doped bismuth phosphate photocatalyst |
| CN107740187A (en) * | 2017-09-26 | 2018-02-27 | 河南理工大学 | A kind of novel light-emitting crystalline material phosphoric acid tantalum bismuth potassium and its preparation method and application |
| CN111261853A (en) * | 2019-12-04 | 2020-06-09 | 超威电源集团有限公司 | Preparation method of zinc-nickel battery cathode coating material |
| CN111675202A (en) * | 2019-06-11 | 2020-09-18 | 宁波大学 | Bismuth phosphate nano powder and synthesis method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0366544A1 (en) * | 1988-10-28 | 1990-05-02 | Boehringer Ingelheim France | Method for the preparation of a bismuth phosphate gel |
| CN1683074A (en) * | 2005-03-11 | 2005-10-19 | 南京大学 | Process for preparing visible light responding photo catalytic film layer |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0366544A1 (en) * | 1988-10-28 | 1990-05-02 | Boehringer Ingelheim France | Method for the preparation of a bismuth phosphate gel |
| CN1683074A (en) * | 2005-03-11 | 2005-10-19 | 南京大学 | Process for preparing visible light responding photo catalytic film layer |
Non-Patent Citations (2)
| Title |
|---|
| FEI ET AL: "Solvothermal synthesis and photoluminescence properties of BiPO4 nano-cocoons and nanorods with different phases", 《JOURNAL OF SOLID STATE CHEMISTRY》, vol. 6, no. 182, 6 March 2009 (2009-03-06), pages 1396 - 1400 * |
| MINGLEI ET AL: "Preparation and polymorph-sensitive luminescence properties of BiPO4：Eu，Part Ⅰ：room-temperature reaction followed by a heat treatment", 《CRYSTENGCOMM》, vol. 20, no. 13, 31 August 2011 (2011-08-31), pages 6251 - 6257 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491301A (en) * | 2011-12-04 | 2012-06-13 | 中国科学院福建物质结构研究所 | Bismuth phosphate nanometer powder body and preparation method thereof |
| CN103433078B (en) * | 2013-09-11 | 2015-04-15 | 江南大学 | Conductive polymer/BiPO4 composite photocatalyst and preparation method thereof |
| CN103433077A (en) * | 2013-09-11 | 2013-12-11 | 江南大学 | Three-element composite photocatalyst and preparation method thereof |
| CN103433078A (en) * | 2013-09-11 | 2013-12-11 | 江南大学 | Conductive polymer/BiPO4 composite photocatalyst and preparation method thereof |
| CN103433077B (en) * | 2013-09-11 | 2015-06-24 | 江南大学 | Three-element composite photocatalyst and preparation method thereof |
| CN103586055A (en) * | 2013-11-26 | 2014-02-19 | 中国科学院福建物质结构研究所 | Application of bismuth phosphate compound serving as catalyst for photochemical water splitting hydrogen production |
| CN104014356A (en) * | 2014-05-30 | 2014-09-03 | 扬州天辰精细化工有限公司 | Preparation method of phosphorus doped bismuth phosphate photocatalyst |
| CN105498814A (en) * | 2015-11-25 | 2016-04-20 | 中国环境管理干部学院 | Preparation method of lanthanum doped bismuth phosphate photocatalyst |
| CN107740187A (en) * | 2017-09-26 | 2018-02-27 | 河南理工大学 | A kind of novel light-emitting crystalline material phosphoric acid tantalum bismuth potassium and its preparation method and application |
| CN111675202A (en) * | 2019-06-11 | 2020-09-18 | 宁波大学 | Bismuth phosphate nano powder and synthesis method thereof |
| CN111675202B (en) * | 2019-06-11 | 2023-01-03 | 宁波大学 | Bismuth phosphate nano powder and synthesis method thereof |
| CN111261853A (en) * | 2019-12-04 | 2020-06-09 | 超威电源集团有限公司 | Preparation method of zinc-nickel battery cathode coating material |
| CN111261853B (en) * | 2019-12-04 | 2022-06-24 | 超威电源集团有限公司 | Preparation method of zinc-nickel battery cathode coating material |
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