CN107128967A - A kind of nanocrystalline synthetic method of full-inorganic CsPbX3 perovskites - Google Patents
A kind of nanocrystalline synthetic method of full-inorganic CsPbX3 perovskites Download PDFInfo
- Publication number
- CN107128967A CN107128967A CN201710317095.3A CN201710317095A CN107128967A CN 107128967 A CN107128967 A CN 107128967A CN 201710317095 A CN201710317095 A CN 201710317095A CN 107128967 A CN107128967 A CN 107128967A
- Authority
- CN
- China
- Prior art keywords
- presoma
- lead
- caesium
- synthetic method
- bromine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G21/00—Compounds of lead
- C01G21/006—Compounds containing, besides lead, two or more other elements, with the exception of oxygen or hydrogen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/66—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing germanium, tin or lead
- C09K11/664—Halogenides
- C09K11/665—Halogenides with alkali or alkaline earth metals
-
- 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
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
Abstract
The invention discloses a kind of full-inorganic CsPbX3The nanocrystalline synthetic method of perovskite, X is Cl, Br or I, without adding consisting of phase-transferring agent, is specifically included：Presoma is added and is dissolved with the octadecylene of oleic acid and oleyl amine, 110~160 DEG C are heated to while stirring, then cooled down with frozen water, ethyl acetate is added to be precipitated, last separation of solid and liquid removes supernatant, produce, the volume ratio of above-mentioned octadecylene, oleic acid and oleyl amine is 8~12: 0.8~1.2: 0.8~1.2.The synthetic method of the present invention directly heats one-step synthesis CsPbX3It is nanocrystalline, without nitrogen protection and any polar solvent, and above two method poor reproducibility this problem is overcome, had a good application prospect.
Description
Technical field
Present invention relates particularly to a kind of nanocrystalline synthetic method of full-inorganic CsPbX3 perovskites.
Background technology
CsPbX3(Cl, Br, I) perovskite is nanocrystalline to have fluorescence quantum yield high, and spectrum is adjustable (410-700nm), good
The advantages of good defect tolerant is spent, by people be widely used in laser, sensing, LED show, the field such as solar cell.
Based on above-mentioned advantage and its applications well prospect, CsPbX3The nanocrystalline synthesis of (Cl, Br, I) perovskite receives the wide of people
General concern.At present, CsPbX is synthesized3Method mainly have two major classes：Hot method for implanting and solvent aid coprecipitation method.Heat injection
Method mainly dissolves Cs respectively under nitrogen protection by high-temperature solvent (vaccenic acid, oleic acid, oleyl amine)2CO3And PbX2(Cl、
Br, I) as presoma, then a kind of precursor solution is injected and rapid ice water cooling toward another precursor solution the inside
But, its reaction is stopped, obtained size is often than more uniform, and without introducing any polar solvent.Solvent aid coprecipitation method
It is then that good solvent is used as by DMF (DMF), by PbX2(Cl, Br, I) and Cs2CO3It is dissolved in DMF, Ran Houjia
Enter to toluene, n-hexane etc. and hate in solvent, can obtain CsPbX at room temperature3It is nanocrystalline, but because DMF is polar solvent,
CsPbI3Stability it is poor, it is impossible to obtained by this method.Further, since this synthetic reaction is metathesis reaction,
Reaction speed is extremely rapid (often 1-3s can be completed), therefore, and the injection length requirement to above-mentioned reaction is extremely harsh and real
Test and be amplified to when (L) rank (for example reach liter) when high-volume is synthesized, often due to the time of addition is inconsistent with position, cause office
Portion's concentration is excessive, and nucleation is uneven, and the reappearance for ultimately resulting in product is poor, thus limits the further expansion of its method.
Therefore, developing one kind, there is high reappearance, simple, environment-friendly preparation method thereof to be used for CsPbX3The nanocrystalline synthesis of perovskite has weight
Want meaning.
The content of the invention
It is an object of the invention to for current CsPbX3Syntheses reappearance is poor, and generally requires nitrogen protection
Or polar solvent participate in etc. defect there is provided a kind of nanocrystalline synthetic method of full-inorganic CsPbX3 perovskites.
Technical scheme is as follows：
A kind of full-inorganic CsPbX3The nanocrystalline synthetic method of perovskite, X is Cl, Br or I, without adding consisting of phase-transferring agent,
Specifically include：Presoma is added and is dissolved with the octadecylene of oleic acid and oleyl amine, 110~160 DEG C are heated to while stirring, so
Cooled down afterwards with frozen water, add ethyl acetate and precipitated, last separation of solid and liquid removes supernatant, produces, above-mentioned octadecylene, oleic acid
Volume ratio with oleyl amine is 8~12: 0.8~1.2: 0.8~1.2.
In a preferred embodiment of the invention, the X be Cl, presoma include caesium presoma, lead presoma and
Chlorine presoma, wherein, caesium presoma is cesium carbonate or cesium acetate, and lead presoma is stearic acid lead plumbate or plumbi oleas, before chlorine
Drive body is trichlorine paracyanogen, benzyl chloride or chlordene phosphonitrile, and the mol ratio of above-mentioned caesium presoma, lead presoma and chlorine presoma is：
0.05~0.1mmol: 0.05~0.1mmol: 0.15~0.3mmol.
In a preferred embodiment of the invention, the X be Br, presoma include caesium presoma, lead presoma and
Bromine presoma, wherein, caesium presoma is cesium carbonate or cesium acetate, and lead presoma is stearic acid lead plumbate or plumbi oleas, before bromine
Drive body is benzyl bromine, and the mol ratio of above-mentioned caesium presoma, lead presoma and bromine presoma is：0.05~0.1mmol: 0.05~
0.1mmol: 0.15~0.3mmol.
In a preferred embodiment of the invention, the X be Br, presoma include caesium presoma, lead presoma and
Bromine presoma, wherein, caesium presoma is cesium carbonate or cesium acetate, and bromine presoma and lead presoma are lead bromide, above-mentioned caesium
The mol ratio of presoma and lead bromide is：0.05~0.1mmol: 0.10~0.3mmol.
In a preferred embodiment of the invention, the X is I, and presoma includes caesium presoma, lead presoma and iodine
Presoma, wherein, caesium presoma is cesium carbonate or cesium acetate, and lead presoma is stearic acid lead plumbate or plumbi oleas, iodine forerunner
Body is zinc iodide, benzyl iodine or iodo-acetamide, and the mol ratio of above-mentioned caesium presoma, lead presoma and iodine presoma is：0.05~
0.1mmol: 0.05~0.1mmol: 0.15~0.3mmol.
In a preferred embodiment of the invention, the X is I, and presoma includes caesium presoma, lead presoma and bromine
Presoma, wherein, caesium presoma is cesium carbonate or cesium acetate, and iodine presoma and lead presoma are lead iodide, before above-mentioned caesium
The mol ratio for driving body and lead iodide is：0.05~0.1mmol: 0.10~0.3mmol.
In a preferred embodiment of the invention, the precipitating reagent is ethyl acetate.
In a preferred embodiment of the invention, the volume ratio of the octadecylene, oleic acid and oleyl amine is 10: 1: 1.
Beneficial effects of the present invention：
1st, synthetic method of the invention directly heats one-step synthesis CsPbX3It is nanocrystalline, without nitrogen protection and any polarity
Solvent, and above two method poor reproducibility this problem is overcome, have a good application prospect.
2nd, synthetic method of the invention is fast and convenient, and reappearance is high, can be achieved more than gram level to synthesize, and condition needed for synthesis
And the requirement of experiment operator professional technique is substantially reduced.
Brief description of the drawings
Fig. 1 is the schematic diagram of the synthetic method of the present invention.
The CsPbCl that Fig. 2 synthesizes for embodiment 1 to 3 in the present invention3Nanocrystalline phenogram, wherein, a) CsPbCl3Absorption
Fluorescence developing under spectrum, fluorescence spectrum and its uviol lamp, b) CsPbCl3Nanocrystalline TEM figures.
The CsPbBr that Fig. 3 synthesizes for embodiment 4 to 6 in the present invention3Nanocrystalline phenogram, wherein, a) CsPbBr3Absorption
Fluorescence developing under spectrum, fluorescence spectrum and its uviol lamp；b)CsPbBr3Nanocrystalline TEM figures.
The CsPbI that Fig. 4 synthesizes for embodiment 7 and 8 in the present invention3Nanocrystalline phenogram, wherein, a) CsPbI3Absorption light
Fluorescence developing under spectrum, fluorescence spectrum and its uviol lamp；b)CsPbI3Nanocrystalline TEM figures.
Embodiment
Technical scheme is further detailed and described below by way of embodiment combination accompanying drawing.
Embodiment 1
As shown in figure 1,5mL ODE, 0.5mL OA, 0.5mL OAM are taken respectively into 25mL three-neck flasks, in 2500rpm
Under rotating speed, 16mg Cs are added2CO3, 37mg lead stearates and 18mg trichlorine paracyanogen, then directly heat to 140 DEG C, and use rapidly
Frozen water is cooled down, and is added precipitating reagent ethyl acetate and is precipitated, and 8000rpm centrifuge washings, abandoning supernatant is obtained as shown in Figure 2
CsPbCl3It is nanocrystalline.
Embodiment 2
As shown in figure 1,5mL ODE, 0.5mL OA, 0.5mL OAM are taken respectively into 25mL three-neck flasks, in 2500rpm
Under rotating speed, 16mg Cs are added2CO3, 37mg lead stearates and 18mg hexachlorocyclotriph,sphazenes, then directly heat to 120 DEG C, and fast
Speed is cooled down with frozen water, is added precipitating reagent ethyl acetate and is precipitated, 8000rpm centrifuge washings, abandoning supernatant is obtained such as Fig. 2
Shown CsPbCl3It is nanocrystalline.
Embodiment 3
As shown in figure 1,5mL ODE, 0.5mL OA, 0.5mL OAM are taken respectively into 25mL three-neck flasks, in 2500rpm
Under rotating speed, 20mg CH are added3COOCs, 37mg lead stearate and 18mg hexachlorocyclotriph,sphazenes, are then directly heated to 120 DEG C,
And cooled down with frozen water rapidly, add precipitating reagent ethyl acetate precipitated, 8000rpm centrifuge washings, abandoning supernatant, obtain as
CsPbCl shown in Fig. 23It is nanocrystalline.
Embodiment 4
As shown in figure 1,5mL ODE, 0.5mL OA, 0.5mL OAM are taken respectively into 25mL three-neck flasks, in 2500rpm
Under rotating speed, 16mg Cs are added2CO3With 69mg PbBr2, then directly heat to 140 DEG C, and cooled down with frozen water rapidly, it is heavy to add
Shallow lake agent ethyl acetate is precipitated, 8000rpm centrifuge washings, and abandoning supernatant obtains CsPbBr as shown in Figure 33It is nanocrystalline.
Embodiment 5
As shown in figure 1,5mL ODE, 0.5mL OA, 0.5mL OAM are taken respectively into 25mL three-neck flasks, in 2500rpm
Under rotating speed, 16mg Cs are added2CO3, 37mg lead stearates and the equal three benzyls bromines of 35mg, then directly heat to 160 DEG C, and use rapidly
Frozen water is cooled down, and is added precipitating reagent ethyl acetate and is precipitated, and 8000rpm centrifuge washings, abandoning supernatant is obtained as shown in Figure 3
CsPbBr3It is nanocrystalline.
Embodiment 6
As shown in figure 1,5mL ODE, 0.5mL OA, 0.5mL OAM are taken respectively into 25mL three-neck flasks, in 2500rpm
Under rotating speed, 20mg CH are added3COOCs and 69mg PbBr2, then directly heat to 140 DEG C, and cooled down with frozen water rapidly, add
Precipitating reagent ethyl acetate is precipitated, 8000rpm centrifuge washings, and abandoning supernatant obtains CsPbBr as shown in Figure 33Nanometer
It is brilliant.
Embodiment 7
As shown in figure 1,5mL ODE, 0.5mL OA, 0.5mL OAM are taken respectively into 25mL three-neck flasks, in 2500rpm
Under rotating speed, 16mg Cs are added2CO3, 37mg lead stearates and 55mg iodo-acetamides, then directly heat to 110 DEG C, and rapidly
Cooled down with frozen water, add precipitating reagent methyl acetate and precipitated, 8000rpm centrifuge washings, abandoning supernatant is obtained such as Fig. 4 institutes
The CsPbI shown3It is nanocrystalline.
Embodiment 8
As shown in figure 1,5mL ODE, 0.5mL OA, 0.5mL OAM are taken respectively into 25mL three-neck flasks, in 2500rpm
Under rotating speed, 16mg Cs are added2CO3, 37mg lead stearates and 86mg lead iodides, then directly heat to 110 DEG C, and use ice rapidly
Water cooling, adds precipitating reagent methyl acetate and is precipitated, 8000rpm centrifuge washings, abandoning supernatant obtains as shown in Figure 4
CsPbI3It is nanocrystalline.
Embodiment 9
As shown in figure 1,150mL ODE, 15mL OA, 15mL OAM are taken respectively into 250mL three-neck flasks, in 2500rpm
Under rotating speed, 0.6g CH are added3COOCs、2.07g PbBr2, then directly heat to 140 DEG C, and cooled down with frozen water rapidly, add
Precipitating reagent ethyl acetate is precipitated, 8000rpm centrifuge washings, abandoning supernatant, obtains a gram level CsPbBr3It is nanocrystalline.
The foregoing is only a preferred embodiment of the present invention, therefore can not limit the scope that the present invention is implemented according to this, i.e.,
The equivalent changes and modifications made according to the scope of the claims of the present invention and description, all should still belong in the range of the present invention covers.
Claims (8)
1. a kind of full-inorganic CsPbX3The nanocrystalline synthetic method of perovskite, X is Cl, Br or I, it is characterised in that：Phase need not be added
Transfer agent, is specifically included：Presoma is added and is dissolved with the octadecylene of oleic acid and oleyl amine, it is heated to 110 while stirring~
160 DEG C, then cooled down with frozen water, add ethyl acetate and precipitated, last separation of solid and liquid removes supernatant, produces, above-mentioned ten
The volume ratio of eight alkene, oleic acid and oleyl amine is 8~12: 0.8~1.2: 0.8~1.2.
2. synthetic method as claimed in claim 1, it is characterised in that：The X is Cl, and presoma is included before caesium presoma, lead
Body and chlorine presoma are driven, wherein, caesium presoma is cesium carbonate or cesium acetate, and lead presoma is stearic acid lead plumbate or oleic acid
Lead, chlorine presoma is trichlorine paracyanogen, benzyl chloride or chlordene phosphonitrile, mole of above-mentioned caesium presoma, lead presoma and chlorine presoma
Than for：0.05~0.1mmol: 0.05~0.1mmol: 0.15~0.3mmol.
3. synthetic method as claimed in claim 1, it is characterised in that：The X is Br, and presoma is included before caesium presoma, lead
Body and bromine presoma are driven, wherein, caesium presoma is cesium carbonate or cesium acetate, and lead presoma is stearic acid lead plumbate or oleic acid
Lead, bromine presoma is benzyl bromine, and the mol ratio of above-mentioned caesium presoma, lead presoma and bromine presoma is：0.05~0.1mmol:
0.05~0.1mmol: 0.15~0.3mmol.
4. synthetic method as claimed in claim 1, it is characterised in that：The X is Br, and presoma is included before caesium presoma, lead
Body and bromine presoma are driven, wherein, caesium presoma is cesium carbonate or cesium acetate, and bromine presoma and lead presoma are lead bromide,
The mol ratio of above-mentioned caesium presoma and lead bromide is：0.05~0.1mmol: 0.10~0.3mmol.
5. synthetic method as claimed in claim 1, it is characterised in that：The X is I, and presoma includes caesium presoma, lead forerunner
Body and iodine presoma, wherein, caesium presoma be cesium carbonate or cesium acetate, lead presoma be stearic acid lead plumbate or plumbi oleas,
Iodine presoma is zinc iodide, benzyl iodine or iodo-acetamide, and the mol ratio of above-mentioned caesium presoma, lead presoma and iodine presoma is：
0.05~0.1mmol: 0.05~0.1mmol: 0.15~0.3mmol.
6. synthetic method as claimed in claim 1, it is characterised in that：The X is I, and presoma includes caesium presoma, lead forerunner
Body and bromine presoma, wherein, caesium presoma is cesium carbonate or cesium acetate, and iodine presoma and lead presoma are lead iodide, on
The mol ratio for stating caesium presoma and lead iodide is：0.05~0.1mmol: 0.10~0.3mmol.
7. synthetic method as claimed in claim 1, it is characterised in that：The precipitating reagent is ethyl acetate.
8. such as the synthetic method of any claim in claim 1 to 7, it is characterised in that：The octadecylene, oleic acid and oleyl amine
Volume ratio be 10: 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317095.3A CN107128967B (en) | 2017-05-08 | 2017-05-08 | A kind of synthetic method that full-inorganic CsPbX3 perovskite is nanocrystalline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317095.3A CN107128967B (en) | 2017-05-08 | 2017-05-08 | A kind of synthetic method that full-inorganic CsPbX3 perovskite is nanocrystalline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107128967A true CN107128967A (en) | 2017-09-05 |
| CN107128967B CN107128967B (en) | 2019-03-05 |
Family
ID=59732438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710317095.3A Expired - Fee Related CN107128967B (en) | 2017-05-08 | 2017-05-08 | A kind of synthetic method that full-inorganic CsPbX3 perovskite is nanocrystalline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107128967B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794041A (en) * | 2017-11-10 | 2018-03-13 | 河北工业大学 | A kind of laser ablation synthesizes the preparation method of inorganic perovskite quantum dot |
| CN108101102A (en) * | 2018-01-30 | 2018-06-01 | 吉林大学 | A kind of controllable CsPbX of size3The nanocrystalline preparation method of perovskite |
| CN108726583A (en) * | 2018-07-17 | 2018-11-02 | 中山大学 | A kind of full-inorganic perovskite A stablizing unleaded low band gaps2PdX6It is nanocrystalline and preparation method thereof |
| CN108795428A (en) * | 2018-06-20 | 2018-11-13 | 中国地质大学（北京） | A kind of anti-fake material and its preparation method and application |
| CN109516496A (en) * | 2018-12-18 | 2019-03-26 | 江南大学 | A kind of full-inorganic perovskite CsPbBr of stable dispersion3Nanocrystalline preparation method |
| CN110243791A (en) * | 2019-06-05 | 2019-09-17 | 厦门华厦学院 | A method of chloride ion in visualization sensing detection sweat |
| CN110257062A (en) * | 2019-02-28 | 2019-09-20 | 江苏罗化新材料有限公司 | Mix the inorganic perovskite quantum dot and preparation method thereof of transition metal ions |
| CN110499150A (en) * | 2019-09-26 | 2019-11-26 | 吉林大学 | A kind of preparation method of the caesium lead bromine core-shell nano crystalline substance of coated with silica |
| CN113149066A (en) * | 2021-04-20 | 2021-07-23 | 北方民族大学 | CsPbI3 nanocrystal synthesis method |
| CN114671458A (en) * | 2022-03-18 | 2022-06-28 | 江苏理工学院 | Preparation method and application of perovskite material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600819A (en) * | 2015-12-23 | 2016-05-25 | 济南大学 | Preparation method for cesium and lead halide nanoheterostructure and obtained product |
| CN105883909A (en) * | 2016-01-22 | 2016-08-24 | 重庆大学 | Method for preparing CsPbBrxI3-x nanorod |
-
2017
- 2017-05-08 CN CN201710317095.3A patent/CN107128967B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105600819A (en) * | 2015-12-23 | 2016-05-25 | 济南大学 | Preparation method for cesium and lead halide nanoheterostructure and obtained product |
| CN105883909A (en) * | 2016-01-22 | 2016-08-24 | 重庆大学 | Method for preparing CsPbBrxI3-x nanorod |
Non-Patent Citations (1)
| Title |
|---|
| THUMU UDAYABHASKARARAO ET AL.: ""Dynamic ligand control of crystalline phase and habit in cesium lead halide nanoparticles"", 《RESEARCHGATE》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794041A (en) * | 2017-11-10 | 2018-03-13 | 河北工业大学 | A kind of laser ablation synthesizes the preparation method of inorganic perovskite quantum dot |
| CN108101102A (en) * | 2018-01-30 | 2018-06-01 | 吉林大学 | A kind of controllable CsPbX of size3The nanocrystalline preparation method of perovskite |
| CN108795428A (en) * | 2018-06-20 | 2018-11-13 | 中国地质大学（北京） | A kind of anti-fake material and its preparation method and application |
| CN108726583B (en) * | 2018-07-17 | 2020-05-19 | 中山大学 | Stable lead-free low-band-gap all-inorganic perovskite A2PdX6Nanocrystalline and preparation method thereof |
| CN108726583A (en) * | 2018-07-17 | 2018-11-02 | 中山大学 | A kind of full-inorganic perovskite A stablizing unleaded low band gaps2PdX6It is nanocrystalline and preparation method thereof |
| CN109516496B (en) * | 2018-12-18 | 2020-11-03 | 江南大学 | Stably dispersed all-inorganic perovskite CsPbBr3Method for preparing nanocrystalline |
| CN109516496A (en) * | 2018-12-18 | 2019-03-26 | 江南大学 | A kind of full-inorganic perovskite CsPbBr of stable dispersion3Nanocrystalline preparation method |
| CN110257062A (en) * | 2019-02-28 | 2019-09-20 | 江苏罗化新材料有限公司 | Mix the inorganic perovskite quantum dot and preparation method thereof of transition metal ions |
| CN110257062B (en) * | 2019-02-28 | 2022-06-14 | 深圳市罗化光源有限公司 | Transition metal ion doped inorganic perovskite quantum dot and preparation method thereof |
| CN110243791A (en) * | 2019-06-05 | 2019-09-17 | 厦门华厦学院 | A method of chloride ion in visualization sensing detection sweat |
| CN110499150A (en) * | 2019-09-26 | 2019-11-26 | 吉林大学 | A kind of preparation method of the caesium lead bromine core-shell nano crystalline substance of coated with silica |
| CN113149066A (en) * | 2021-04-20 | 2021-07-23 | 北方民族大学 | CsPbI3 nanocrystal synthesis method |
| CN114671458A (en) * | 2022-03-18 | 2022-06-28 | 江苏理工学院 | Preparation method and application of perovskite material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107128967B (en) | 2019-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107128967A (en) | A kind of nanocrystalline synthetic method of full-inorganic CsPbX3 perovskites | |
| CN1160817C (en) | Electrolytes containing mixed fluorocarbon/hydrocarbon imide and methide salts | |
| CN1799157B (en) | Nonaqueous electrolyte cell | |
| US10294418B2 (en) | Complex fluoride phosphor and method for producing same | |
| CN105733574A (en) | Method for preparing perovskite quantum dots by low-temperature solution process | |
| WO2019126532A1 (en) | Battery electrode with solid polymer electrolyte and aqueous soluble binder | |
| CN110255606A (en) | A kind of radial full-inorganic perovskite nano material and preparation method thereof | |
| CN110184056A (en) | The synthetic method of high efficiency halogen perovskite quantum dot scintillator for x-ray imaging | |
| CN106833635B (en) | Large scale perovskite CsPbBr3The preparation method of six square pieces-circular piece | |
| CN103765659A (en) | Lithium ion battery | |
| CN108140807A (en) | Battery with polyvalent metal anode | |
| CN1723576A (en) | Positive electrode active material for lithium secondary cell and lithium secondary cell | |
| US9908969B2 (en) | Chlorinated poly(propylene carbonate) and preparation method thereof | |
| CN110184054A (en) | A kind of preparation method of perovskite quantum dot | |
| CN104051720B (en) | A kind of material and its preparation and lithium ion anode active material, positive electrode, anode and battery containing the material | |
| CN109825289A (en) | A kind of eutectic solvent is in the preparation method for preparing application and metal-doped carbon quantum dot in metal-doped carbon quantum dot | |
| CN108300465A (en) | A kind of preparation method of additive Mn full-inorganic lead chlorine perovskite nanometer sheet | |
| CN106024999A (en) | Quantum dot surface purification method for improving luminous efficiency of perovskite LED | |
| CN107880882B (en) | A kind of antimony based perovskite quantum dot and preparation method thereof | |
| CN108370067B (en) | Gel-like electrolyte with and preparation method thereof | |
| CN103700886B (en) | The preparation method of polymer Li-ion battery | |
| CN1917273A (en) | Non-aqueous electrolyte, secondary lithium ion battery of containing the electrolyte, and its preparation method | |
| CN107086326A (en) | A kind of electrolyte and Dual-ion cell | |
| CN107706383A (en) | A kind of titanium doped carbon coating in situ aoxidizes sub- silicon/graphite material and preparation method thereof | |
| US3163590A (en) | Hydrogenation of groups iii, iv and v elements |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190305 |