CN105329870A - Preparing method for Rubik-cube-shaped sillenite bismuth phosphate powder - Google Patents

Preparing method for Rubik-cube-shaped sillenite bismuth phosphate powder Download PDF

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CN105329870A
CN105329870A CN201510926779.4A CN201510926779A CN105329870A CN 105329870 A CN105329870 A CN 105329870A CN 201510926779 A CN201510926779 A CN 201510926779A CN 105329870 A CN105329870 A CN 105329870A
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square shape
magic square
powder
bismuth phosphate
sillenite
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CN105329870B (en
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李海斌
张健
刘希
陈曙光
付圣豪
李富进
刘鹏
黄国游
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Changsha University of Science and Technology
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/37—Phosphates of heavy metals
    • 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
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/38—Particle morphology extending in three dimensions cube-like

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Detergent Compositions (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

The invention provides a preparing method for Rubik-cube-shaped sillenite bismuth phosphate powder. According to the method, a NaH2PO4 solution of a certain molar ratio is added into a Bi(NO3)3 nitric acid solution to obtain white turbid liquid; an alkali metal hydroxide solution of a certain amount is added into the white turbid liquid, and magnetically stirred until the turbid liquid turns yellow; the obtained yellow turbid liquid is transferred into a hydrothermal reaction kettle to be subjected to a reaction, after the reaction is completed, cooling is carried out, and yellow precipitate in the reaction kettle is taken out, washed and dried to obtain the Rubik-cube-shaped sillenite bismuth phosphate Bi12P0.86O20.14 powder. The method has the advantages that a device is simple, temperature is low (120 DEG C-140 DEG C), and environmental protection is achieved (the synthetic reaction is carried out in a closed system); the powder is synthesized at a time in a hydrothermal mode, high-temperature calcinations is not needed, the synthesized powder is high in purity and crystallinity, and regular in morphology, and the preparing method is simple in process, high in efficiency, low in energy consumption and low in cost.

Description

A kind of magic square shape sillenite bismuth phosphate raw powder's production technology
Technical field
The invention belongs to field of functional materials, be specifically related to a kind of magic square shape Bi 12p 0.86o 20.14raw powder's production technology.
Background technology
Photocatalysis technology is utilized to carry out sewage disposal, can effective degradation of organic substances, reducing heavy metal ion.And energy consumption needed for this technology is low, easy and simple to handle, reaction conditions is gentle, do not have secondary pollution.Therefore, photochemical catalysis is the very promising environmental improvement technology of one.
The research of bismuth phosphate photocatalyst concentrates on monoclinic phase bismuth phosphate (chemical formula BiPO 4), its preparation method has high temperature solid-state method, hydrothermal method, solvent-thermal method, microwave-hydrothermal method and microemulsion method, liquid-phase precipitation method, sol-gel method, ultrasonic etc.But, due to wider energy gap (3.85eV), cause BiPO 4only there is photocatalytic activity in ultraviolet region, i.e. BiPO 4lower to the utilization ratio of sunlight, actual use is restricted.
Research object of the present invention is sillenite bismuth phosphate, and the chemical formula of described sillenite bismuth phosphate is Bi 12p 0.86o 20.14, it belongs to body-centred cubic I23 spacer.The overall structure of sillenite bismuth phosphate is the polyhedral structure of 7 Sauerstoffatoms and Bi atomic arrangement composition, it and other Bi-O polyhedron and PO 4tetrahedron corner-sharing.Due to Bi, P, O stoichiometric ratio that it is special, therefore copy and transplant monoclinic phase BiPO 4preparation method be difficult to synthesize Bi 12p 0.86o 20.14.Current Bi 12p 0.86o 20.14synthetic method adopt be high temperature solid-state method, after raw material is stoichiometrically prepared, by pyroreaction realize synthesis, utilize water heat transfer to have the Bi of regular magic square shape pattern 12p 0.86o 20.14there is not been reported for powder.
Summary of the invention
The object of the present invention is to provide a kind of magic square shape sillenite bismuth phosphate (Bi 12p 0.86o 20.14) preparation method, the method is by hydro-thermal reaction single sintering magic square shape sillenite bismuth phosphate, without the need to high-temperature calcination, have that technique is simple, efficiency is high, energy consumption is low, with low cost, eco-friendly feature, the powder purity of synthesis is high, degree of crystallinity is high, pattern is regular.
For achieving the above object, the present invention adopts following technical scheme:
A kind of magic square shape sillenite bismuth phosphate raw powder's production technology, comprises the following steps:
1) by Bi (NO 3) 35H 2o joins in the salpeter solution of 2-3mol/L, obtains Bi (NO 3) 3salpeter solution; By NaH 2pO 42H 2o joins in distilled water, obtains NaH 2pO 4the aqueous solution; Again by NaH 2pO 4the aqueous solution is according to volume ratio 1:(0.8-1.2) ratio join Bi (NO 3) 3in salpeter solution, the mol ratio controlling bismuth ion and dihydrogen phosphate ions is 1:1-5:1, and magnetic agitation, obtains white suspension liquid; Bi (NO in described white suspension liquid 3) 3concentration be 0.15-0.48mol/L, NaH 2pO 4concentration be 0.03-0.48mol/L;
2) be that the alkali hydroxide soln of 6-8mol/L joins described white suspension liquid by concentration, the volume ratio of described alkali hydroxide soln and white suspension liquid is: (20-30): (50-60); Again magnetic agitation is carried out to it, until suspension liquid its colour changed into yellow, obtain hydro-thermal reaction precursor liquid;
3) proceed in hydrothermal reaction kettle by described hydro-thermal reaction precursor liquid, stopped reaction be incubated 8-10 hour at 120 DEG C-140 DEG C after, obtains yellow mercury oxide;
4), after question response temperature is down to room temperature, hydrothermal reaction kettle is taken out, the yellow mercury oxide that centrifugation goes out to be obtained by reacting, yellow mercury oxide is washed, dry, namely obtain magic square shape sillenite bismuth phosphate powder.
Preferred version, step 1) according to volume ratio 1:1 by NaH 2pO 4the aqueous solution joins Bi (NO 3) 3in salpeter solution.
Preferred version, step 1) in control bismuth ion and dihydrogen phosphate ions mol ratio be 1:1-2:1.
Preferred version, step 2) described in alkali metal hydroxide be NaOH or KOH.
Preferred version, step 1) and 2) in the magnetic agitation time be 30-50min.
Preferred version, step 3) in hydrothermal reaction kettle liner be tetrafluoroethylene material, hydrothermal reaction kettle packing ratio is 70%-80%.
Preferred version, step 4) in washing distilled water and dehydrated alcohol by yellow mercury oxide washing to neutral, described drying is dry 10-20h at 70-80 DEG C.
Step 4) crystal formation of obtained magic square shape sillenite bismuth phosphate powder conforms to card JCPDSNo.44-0199, and the particle diameter of magic square shape is 5-8 μm.
Below the present invention be further explained and illustrate:
Described magic square shape refers to that form is similar to the shape of magic square (a kind of general toy), and being combined by multiple little square body consists of a large square body shape.
By method of the present invention, contriver's first passage hydrothermal method has prepared magic square shape sillenite bismuth phosphate Bi 12p 0.86o 20.14powder, and Late Cambrian Bi 12p 0.86o 20.14there is good visible light catalysis activity.Reaction conditions of the present invention is most important.The thing of alkali hydroxide soln concentration to product has material impact mutually.The volume ratio of alkali hydroxide soln and white suspension liquid is controlled for (20-30): time (50-60), if alkali hydroxide soln concentration C in the present invention alkalibe less than 6mol/L or be greater than 8mol/L, in product, all can occur part Bi 2o 3, thing is mutually impure; Only have and work as 6mol/L<C alkali<8mol/L, products obtained therefrom thing is pure sillenite bismuth phosphate Bi mutually 12p 0.86o 20.14.Hydrothermal temperature is for Bi 12p 0.86o 20.14degree of crystallinity have very important impact.Temperature of reaction T<120 DEG C, products obtained therefrom has the non-crystalline product of a small amount of white gum; Temperature of reaction 120 DEG C of <T<140 DEG C, product crystallization is complete; Temperature of reaction >140 DEG C, product grains size is obviously grown up.From the angle of energy-conservation, temperature of reaction should control in 120 DEG C of <T<140 DEG C of intervals.The hydro-thermal reaction time is for Bi 12p 0.86o 20.14pattern have very important impact, the Morphology of sample is a progressive process.Reaction times t<8h, products obtained therefrom has the irregular pattern Bi of part 12p 0.86o 20.14; Reaction times 8h<t<10h, product pattern develops into regular magic square shape pattern completely; Reaction times >10h, pattern is still magic square shape, but particle diameter has and obviously grows up.From the angle of energy-conservation, the reaction times should control at 8h<t<10h interval.
Compared with prior art, the present invention has following beneficial outcomes:
1, magic square shape Bi provided by the invention 12p 0.86o 20.14raw powder's production technology, with Bi (NO 3) 35H 2o, NaH 2pO 42H 2o is raw material, first the two is mixed with homogeneous solution respectively, after mixing, introduces high concentration alkali metal hydroxide solutions again, form strong basicity reaction medium, and control the parameter such as temperature of reaction and reaction times, obtain the magic square shape Bi that a kind of degree of crystallinity is high, crystal morphology is novel 12p 0.86o 20.14powder.
2, the method has the features such as device is simple, low temperature (120-140 DEG C), environmental protection (building-up reactions is carried out in enclosed system), hydro-thermal single sintering powder, without the need to high-temperature calcination, and the powder purity of synthesis is high, degree of crystallinity is high, pattern is regular, is the environmentally friendly preparation method that a kind of technique is simple, efficiency is high, energy consumption is low, with low cost.
Accompanying drawing explanation
Fig. 1 is magic square shape Bi prepared by the embodiment of the present invention 1 12p 0.86o 20.14the XRD figure of powder;
Fig. 2 is magic square shape Bi prepared by the embodiment of the present invention 1 12p 0.86o 20.14the SEM figure of powder;
Fig. 3 is magic square shape Bi prepared by the embodiment of the present invention 1 12p 0.86o 20.14the UV-vis of powder diffuses spectrogram;
Fig. 4 is magic square shape Bi prepared by the embodiment of the present invention 1 12p 0.86o 20.14powder is to the visible light photocatalysis graphic representation of tropeolin-D.
Embodiment
Method of the present invention is described by specific embodiment below in conjunction with accompanying drawing; but the present invention is not limited thereto; all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Experimental technique described in following embodiment, if no special instructions, is ordinary method; Described reagent and material, if no special instructions, all can obtain from commercial channels.
Reactant B i (the NO used in the present invention 3) 35H 2o, NaH 2pO 42H 2o, NaOH, nitric acid etc. are commercially available analytical pure.
Embodiment 1
Step 1: the Bi (NO by mol ratio being 1:1 3) 35H 2o and NaH 2pO 42H 2o joins the HNO that volume ratio is the 2mol/L of 1:1 respectively 3in solution and distilled water, magnetic agitation 50min, obtains Bi (NO respectively 3) 3salpeter solution and NaH 2pO 4the aqueous solution; By described NaH 2pO 4the aqueous solution joins described Bi (NO 3) 3in salpeter solution, and magnetic agitation 50min is carried out to mixing solutions, obtain white suspension liquid; Bi (NO in white suspension liquid 3) 3and NaH 2pO 4concentration be 0.16mol/L;
Step 2: 6mol/LNaOH solution is joined magnetic agitation 50min, the volume ratio 30:50 of NaOH solution and white suspension liquid after above-mentioned white suspension liquid, obtain hydro-thermal reaction precursor liquid.
Step 3: precursor liquid is proceeded in hydrothermal reaction kettle, the filling ratio of hydrothermal reaction kettle is 80%, puts into constant temperature blast drying oven, stopped reaction after being incubated 10 hours at 130 DEG C;
Step 4: after question response temperature is down to room temperature, takes out hydrothermal reaction kettle, the yellow mercury oxide that centrifugation goes out to be obtained by reacting, and after adopting distilled water and absolute ethanol washing throw out to neutrality, dry 10h at 80 DEG C, namely obtains magic square shape Bi 12p 0.86o 20.14powder.Its XRD figure as shown in Figure 1, the Bi of visible synthesis 12p 0.86o 20.14powder purity is high, and almost inclusion-free peak detects.Its SEM schemes as shown in Figure 2, visible Bi 12p 0.86o 20.14the form of powder is magic square shape, form rule.As shown in Figure 3, it has good absorptivity to visible ray to its absorption curves as seen, and optical absorption edge is about 570nm.Its to the visible light photocatalysis graphic representation of tropeolin-D as shown in Figure 4, it has good visible light catalytic performance as seen.
Embodiment 2
Step 1: the Bi (NO by mol ratio being 2:1 3) 35H 2o and NaH 2pO 42H 2o joins the HNO that volume ratio is the 2.2mol/L of 1:1 respectively 3in solution and distilled water, magnetic agitation 45min, obtains Bi (NO respectively 3) 3salpeter solution and NaH 2pO 4the aqueous solution; By NaH 2pO 4the aqueous solution joins Bi (NO 3) 3in salpeter solution, and magnetic agitation 45min is carried out to mixing solutions, obtain white suspension liquid; Bi (NO in white suspension liquid 3) 3and NaH 2pO 4concentration be respectively 0.16mol/L and 0.08mol/L;
Step 2: 6.5mol/LNaOH solution is joined magnetic agitation 45min, the volume ratio 28:52 of NaOH solution and white suspension liquid after above-mentioned white suspension liquid, obtain hydro-thermal reaction precursor liquid.
Step 3: precursor liquid is proceeded in hydrothermal reaction kettle, the filling ratio of hydrothermal reaction kettle is 78%, puts into constant temperature blast drying oven, stopped reaction after being incubated 10 hours at 125 DEG C;
Step 4: after question response temperature is down to room temperature, takes out hydrothermal reaction kettle, the yellow mercury oxide that centrifugation goes out to be obtained by reacting, and after adopting distilled water and absolute ethanol washing throw out to neutrality, dry 12h at 78 DEG C, namely obtains magic square shape Bi 12p 0.86o 20.14powder, detected result is similar to embodiment 1.
Embodiment 3
Step 1: the Bi (NO by mol ratio being 3:1 3) 35H 2o and NaH 2pO 42H 2o joins the HNO that volume ratio is the 2.4mol/L of 1:1 respectively 3in solution and distilled water, magnetic agitation 40min, obtains Bi (NO respectively 3) 3salpeter solution and NaH 2pO 4the aqueous solution; By NaH 2pO 4the aqueous solution joins Bi (NO 3) 3in salpeter solution, and magnetic agitation 40min is carried out to mixing solutions, obtain white suspension liquid; Bi (NO in white suspension liquid 3) 3and NaH 2pO 4concentration be respectively 0.24mol/L and 0.08mol/L;
Step 2: 7mol/LNaOH solution is joined magnetic agitation 40min, the volume ratio 26:54 of NaOH solution and white suspension liquid after above-mentioned white suspension liquid, obtain hydro-thermal reaction precursor liquid.
Step 3: precursor liquid is proceeded in hydrothermal reaction kettle, the filling ratio of hydrothermal reaction kettle is 76%, puts into constant temperature blast drying oven, stopped reaction after being incubated 9 hours at 135 DEG C;
Step 4: after question response temperature is down to room temperature, takes out hydrothermal reaction kettle, the yellow mercury oxide that centrifugation goes out to be obtained by reacting, and after adopting distilled water and absolute ethanol washing throw out to neutrality, dry 14h at 76 DEG C, namely obtains magic square shape Bi 12p 0.86o 20.14powder, detected result is similar to embodiment 1.
Embodiment 4
Step 1: the Bi (NO by mol ratio being 4:1 3) 35H 2o and NaH 2pO 42H 2o joins the HNO that volume ratio is the 2.6mol/L of 1:1 respectively 3in solution and distilled water, magnetic agitation 35min, obtains Bi (NO respectively 3) 3salpeter solution and NaH 2pO 4the aqueous solution; By NaH 2pO 4the aqueous solution joins Bi (NO 3) 3in salpeter solution, and magnetic agitation 35min is carried out to mixing solutions, obtain white suspension liquid; Bi (NO in white suspension liquid 3) 3and NaH 2pO 4concentration be respectively 0.4mol/L and 0.1mol/L;
Step 2: 7.5mol/LNaOH solution is joined magnetic agitation 35min, the volume ratio 24:56 of NaOH solution and white suspension liquid after above-mentioned white suspension liquid, obtain hydro-thermal reaction precursor liquid.
Step 3: precursor liquid is proceeded in hydrothermal reaction kettle, the filling ratio of hydrothermal reaction kettle is 74%, puts into constant temperature blast drying oven, stopped reaction after being incubated 8.5 hours at 138 DEG C;
Step 4: after question response temperature is down to room temperature, takes out hydrothermal reaction kettle, the yellow mercury oxide that centrifugation goes out to be obtained by reacting, and after adopting distilled water and absolute ethanol washing throw out to neutrality, at 74 DEG C, hour dry 16h, namely obtains magic square shape Bi 12p 0.86o 20.14powder, detected result is similar to embodiment 1.
Embodiment 5
Adopt case study on implementation 1,2,3,4 gained magic square shape Bi 12p 0.86o 20.14catalyzer 1,2,3 and 4 catalyzed degradation tropeolin-D.
Experimentation: select 350W and with the xenon lamp of spectral filter (entering >420nm) as light source.Preparation 100mL concentration is 10 -5the methyl orange solution of mol/L, adds 0.1g magic square shape Bi 12p 0.86o 20.14catalyzer, is placed on magnetic agitation 30min in camera bellows, makes system reach absorption-desorption balance; After turning on light, get a sample every specified time (15min), every sub-sampling 5mL, after centrifugation, adopt 721 visible spectrophotometers to detect the absorbancy of supernatant liquid.

Claims (8)

1. a magic square shape sillenite bismuth phosphate raw powder's production technology, is characterized in that, comprise the following steps:
1) by Bi (NO 3) 35H 2o joins in the salpeter solution of 2-3mol/L, obtains Bi (NO 3) 3salpeter solution; By NaH 2pO 42H 2o joins in distilled water, obtains NaH 2pO 4the aqueous solution; Again by NaH 2pO 4the aqueous solution is according to volume ratio 1:(0.8-1.2) ratio join Bi (NO 3) 3in salpeter solution, the mol ratio controlling bismuth ion and dihydrogen phosphate ions is 1:1-5:1, and magnetic agitation, obtains white suspension liquid; Bi (NO in described white suspension liquid 3) 3concentration be 0.15-0.48mol/L, NaH 2pO 4concentration be 0.03-0.48mol/L;
2) be that the alkali hydroxide soln of 6-8mol/L joins described white suspension liquid by concentration, the volume ratio of described alkali hydroxide soln and white suspension liquid is: (20-30): (50-60); Again magnetic agitation is carried out to it, until suspension liquid its colour changed into yellow, obtain hydro-thermal reaction precursor liquid;
3) proceed in hydrothermal reaction kettle by described hydro-thermal reaction precursor liquid, stopped reaction be incubated 8-10 hour at 120 DEG C-140 DEG C after, obtains yellow mercury oxide;
4), after question response temperature is down to room temperature, hydrothermal reaction kettle is taken out, the yellow mercury oxide that centrifugation goes out to be obtained by reacting, yellow mercury oxide is washed, dry, namely obtain magic square shape sillenite bismuth phosphate powder.
2. magic square shape sillenite bismuth phosphate raw powder's production technology according to claim 1, is characterized in that, step 1) according to volume ratio 1:1 by NaH 2pO 4the aqueous solution joins Bi (NO 3) 3in salpeter solution.
3. magic square shape sillenite bismuth phosphate raw powder's production technology according to claim 1, is characterized in that, step 1) in control bismuth ion and dihydrogen phosphate ions mol ratio be 1:1-2:1.
4. magic square shape sillenite bismuth phosphate raw powder's production technology according to claim 1, is characterized in that, step 2) described in alkali metal hydroxide be NaOH or KOH.
5. magic square shape sillenite bismuth phosphate raw powder's production technology according to claim 1, is characterized in that, step 1) and 2) in the magnetic agitation time be 30-50min.
6. magic square shape sillenite bismuth phosphate raw powder's production technology according to claim 1, is characterized in that, step 3) in hydrothermal reaction kettle liner be tetrafluoroethylene material, hydrothermal reaction kettle packing ratio is 70%-80%.
7. magic square shape sillenite bismuth phosphate raw powder's production technology according to claim 1, is characterized in that, step 4) in washing distilled water and dehydrated alcohol by yellow mercury oxide washing to neutral, described drying is dry 10-20h at 70-80 DEG C.
8. according to one of claim 1-7 described magic square shape sillenite bismuth phosphate raw powder's production technology, it is characterized in that, step 4) crystal formation of obtained magic square shape sillenite bismuth phosphate powder conforms to card JCPDSNo.44-0199, and the particle diameter of magic square shape is 5-8 μm.
CN201510926779.4A 2015-12-14 2015-12-14 A kind of magic square shape sillenite Bismugel (Biothrax). raw powder's production technology Expired - Fee Related CN105329870B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110759385A (en) * 2018-07-25 2020-02-07 中国科学院金属研究所 Bismuth ferrite nano cube material and preparation method and application thereof
CN111675202A (en) * 2019-06-11 2020-09-18 宁波大学 Bismuth phosphate nano powder and synthesis method thereof

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Publication number Priority date Publication date Assignee Title
CN103934010A (en) * 2014-04-01 2014-07-23 河南师范大学 Preparation method for bismuth phosphate photocatalyst with different microstructures
CN105013471A (en) * 2015-06-29 2015-11-04 陕西科技大学 Preparation method of rare earth-doped BiPO4 powder with polyhedral block structures and rectangular nanoscale lamellar structures

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103934010A (en) * 2014-04-01 2014-07-23 河南师范大学 Preparation method for bismuth phosphate photocatalyst with different microstructures
CN105013471A (en) * 2015-06-29 2015-11-04 陕西科技大学 Preparation method of rare earth-doped BiPO4 powder with polyhedral block structures and rectangular nanoscale lamellar structures

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110759385A (en) * 2018-07-25 2020-02-07 中国科学院金属研究所 Bismuth ferrite nano cube material and preparation method and application thereof
CN110759385B (en) * 2018-07-25 2021-10-15 中国科学院金属研究所 Bismuth ferrite nano cube material and preparation method and application thereof
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

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