CN108862376A - A kind of raising full-inorganic CsPbBr3Perovskite stability approach in aqueous solution - Google Patents
A kind of raising full-inorganic CsPbBr3Perovskite stability approach in aqueous solution Download PDFInfo
- Publication number
- CN108862376A CN108862376A CN201811082046.7A CN201811082046A CN108862376A CN 108862376 A CN108862376 A CN 108862376A CN 201811082046 A CN201811082046 A CN 201811082046A CN 108862376 A CN108862376 A CN 108862376A
- Authority
- CN
- China
- Prior art keywords
- solution
- cspbbr
- perovskite
- aqueous solution
- inorganic
- 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
- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
- C01P2002/34—Three-dimensional structures perovskite-type (ABO3)
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Luminescent Compositions (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The invention discloses a kind of raising full-inorganic CsPbBr3Perovskite stability approach in aqueous solution.Select cesium carbonate, lead bromide as reactant, oleic acid, oleyl amine obtain CsPbBr after suitable octadecylene or mineral oil ultrasound is added as surface ligand3Solution.Select cetyl trimethylammonium bromide as cationic surfactant and CsPbBr again3The preferable CsPbBr of fluorescent stability can be obtained in solution ultrasound 1-2min3Solution.The still stable CsPbBr of the fluorescence in aqueous solution that this method is prepared3Time used in solution is short, and whole process only needs 9min-14 min（Including synthesizing CsPbBr3The time of perovskite）.It is still preferable that the solution prepared directly deposits in fluorescent stability in aqueous solution even phosphate buffer solution, and dispersibility is excellent, and particles in solution is uniform.
Description
Technical field
The invention belongs to field of nano-luminescent material, and in particular to a kind of raising full-inorganic CsPbBr3Perovskite is water-soluble
Stability approach in liquid.
Background technique
Full-inorganic perovskite with its higher quantum yield, that emission wavelength can cover entire visible spectrum, halfwidth is opposite
The advantages that relatively narrow, is widely used in the fields such as solar cell module, light emitting diode, sensor.
But current study show that：Full-inorganic perovskite is extremely sensitive for polar solvent, especially water-soluble in polar solvent
It disappears in the fluorescence short time in liquid.This characteristic significantly limits the application range of full-inorganic perovskite.It is complete in order to improve
Stability of the inorganic perovskite in polar solvent especially aqueous solution, the raising antihunt means carried out at present have：（1）It adopts
With external surface coating method, perovskite such as is embedded using caged polyhedral oligomeric silsesquioxane（Chem.Sci.,2016,7:
5699）, but its poor dispersion in aqueous solution；（2）Using in-situ surface Protection Code, such as make perovskite using x-ray bombardment
The surface ligand degree of cross linking increases to improve its stability（ACS Nano,2016,10:1224−1230）, but because organic content is excessively high
So that electric conductivity is bad；（3）It is embedded using new material etc., such as embeds perovskite using mesoporous silicon oxide（Angew. Chem., 2016, 55:7924 –7929）.But this method has strict requirements for the selection of material itself and has
The synthesis of a little materials takes a long time, not easy to operate.
In conclusion urgent need develops one kind can to improve perovskite nano material in the application field in bio-sensing field
Directly deposit in aqueous solution and be able to maintain the synthesis side of the perovskite nano material of preferable fluorescent stability and good dispersion
Method.This patent is using cetyl trimethylammonium bromide and full-inorganic CsPbBr3The mode of the direct ultrasonic mixing of perovskite solution
Improve its stability in aqueous solution.This method is easy to operate, and directly the solution of acquisition can be placed in water environment, uses
When it is shorter can quickly prepare, reproducible, the solution dispersion of acquisition is good, and agents useful for same cetyl trimethylammonium bromide is cheap
It is easy to get.
Summary of the invention
The purpose of the present invention is to provide a kind of raising full-inorganic CsPbBr3Perovskite stability approach in aqueous solution.
Select cesium carbonate, lead bromide as reactant, suitable octadecylene or mineral are being added as surface ligand in oleic acid, oleyl amine
CsPbBr is obtained after oily ultrasound3Solution.Select again cetyl trimethylammonium bromide as cationic surfactant with
CsPbBr3Solution 1 min -2 min of ultrasound, can be obtained the preferable CsPbBr of fluorescent stability3Solution.This method is prepared
The still stable CsPbBr of fluorescence in aqueous solution3Time used in solution is short, whole only to need 9 min -14 min（Including closing
At CsPbBr3The time of perovskite）.The solution prepared directly deposits in fluorescence in aqueous solution even phosphate buffer solution
Stability is still preferable, and dispersibility is excellent, and particles in solution is uniform.Select cetyl trimethylammonium bromide as sun simultaneously
Ionic surface active agent is relatively cheap.This method is for improving full-inorganic CsPbBr3Perovskite in aqueous solution grind by stability
Studying carefully has great significance.
To achieve the above object, the present invention adopts the following technical scheme that：
（1）Suitable cesium carbonate, lead bromide powder are weighed, with a certain amount of octadecylene or mineral oil oil sealing, to completely cut off air,
Oleic acid, oleyl amine is added into mixed liquor again；
（2）It will（1）Middle mixed solution, which is placed in ultrasonic cell disruptor, is ultrasonically treated 8 min -12 min, and solution is by transparent
Glassy yellow is gradually become, stops ultrasound up to full-inorganic CsPbBr3Perovskite solution；
（3）?（2）It is added a certain amount of cetyl trimethylammonium bromide in middle acquired solution, ultrasound 1 min -2 min, ten
Six alkyl trimethyl ammonium bromides are all dissolved in mixed liquor to get in aqueous solution with the full-inorganic of high stability
CsPbBr3Perovskite solution；
（4）?（3）A certain amount of deionized water is added in middle gained mixed liquor, 3 min -5 min of ultrasound, mixed liquor is by bright orange
Discoloration is milk green, observes fluorescence intensity change to prove the stability of its fluorescence in aqueous solution.
Distinguishing feature of the invention is：
（1）Using cetyl trimethylammonium bromide as cationic surfactant to improve full-inorganic CsPbBr3Perovskite exists
Stability in aqueous solution, the full-inorganic CsPbBr after being embedded using cetyl trimethylammonium bromide3Perovskite is directly deposited in
Not only stability is good in aqueous solution, fluorescence property is excellent, and dispersion performance is excellent, and particles in solution size is uniform.
（2）The present invention mixes full-inorganic CsPbBr using the method for ultrasound3Perovskite solution and cetyl trimethyl bromine
Change ammonium, the whole used time is short, only needs 9 min -14 min.
（3）Raw material cetyl trimethylammonium bromide is cheap and easy to get and the instrument that uses conveniently is easy to get.
Detailed description of the invention
Fig. 1 is of the present invention in aqueous solution with high stability after cetyl trimethylammonium bromide embeds
Full-inorganic CsPbBr3Perovskite transmission electron microscope picture.
Fig. 2 is of the present invention in aqueous solution with high stability after cetyl trimethylammonium bromide embeds
Full-inorganic CsPbBr3The stability curve figure of perovskite.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments.
Embodiment 1
The lead bromide for weighing 0.05 mmol cesium carbonate, 0.15 mmol rapidly joins 5 mL octadecylenes, 0.25 mL oil thereto
Acid, 0.25 mL oleyl amine obtain clear solution.Above-mentioned solution is placed in ultrasonic cell disruptor and is ultrasonically treated 8 min.Solution
Glassy yellow is gradually become by transparent, stops ultrasound and obtains full-inorganic CsPbBr3Perovskite solution.Take out above-mentioned bright yellow solution
0.0030 g cetyl trimethylammonium bromide, 1 min of ultrasound, until cetyl trimethyl bromine is added in 100 μ L thereto
Change ammonium to be all dissolved in mixed liquor.Obtain full-inorganic perovskite solution in aqueous solution with high stability.In order to prove
Its fluorescent stability with higher in aqueous solution, to the above-mentioned CsPbBr added with cetyl trimethylammonium bromide3Calcium titanium
The deionized water of 400 μ L, 3 min -5 min of ultrasound are added in mineral solution, solution becomes milk green from glassy yellow.This mixing
1 h of solution fluorescence intensity decline about 3.58%, 2 h decline about 4.31%, 3 h decline about 5.32%.This method be by
CsPbBr3It is directly placed into after mixing with cetyl trimethylammonium bromide to check its fluorescent stability in aqueous solution, it can
To absolutely prove that this method effectively increases the stability of perovskite solution fluorescence in aqueous solution.
In order to further illustrate the present invention the characteristics of, is carried out further using full-inorganic perovskite obtained in embodiment 1
Analysis.
Fig. 1 is to have high stability through cetyl trimethylammonium bromide in aqueous solution described in the embodiment of the present invention 1
Full-inorganic CsPbBr after embedding3The transmission electron microscope picture of perovskite, as can be seen from Figure 1 full-inorganic CsPbBr3Perovskite is by 16
Alkyl trimethyl ammonium bromide is wrapped in inside.Fig. 2 is shown has high stability through cetyl trimethyl in aqueous solution
Full-inorganic CsPbBr after ammonium bromide embedding3The stability curve figure of perovskite, 1 h of mixed solution fluorescence intensity decline are about
3.58%, 2 h decline about 4.31%, 3 h decline about 5.32%.Fig. 2 illustrate be added cetyl trimethylammonium bromide after completely without
Machine CsPbBr3Perovskite can keep preferable fluorescent stability in aqueous solution really.
Embodiment 2
The lead bromide for weighing 0.05 mmol cesium carbonate, 0.15 mmol rapidly joins 5 mL mineral oil, 0.25 mL oil thereto
Acid, 0.25 mL oleyl amine obtain clear solution.Above-mentioned solution is placed in ultrasonic cell disruptor and is ultrasonically treated 10min.Solution
Glassy yellow is gradually become by transparent, stops ultrasound and obtains full-inorganic CsPbBr3Perovskite solution.Take out above-mentioned bright yellow solution
0.0030 g cetyl trimethylammonium bromide, 1 min of ultrasound, until cetyl trimethyl bromine is added in 100 μ L thereto
Change ammonium to be all dissolved in mixed liquor.Obtain full-inorganic perovskite solution in aqueous solution with high stability.
Embodiment 3
The lead bromide for weighing 0.05 mmol cesium carbonate, 0.15 mmol rapidly joins 5 mL octadecylenes, 0.25 mL oil thereto
Acid, 0.25 mL oleyl amine obtain clear solution.Above-mentioned solution is placed in ultrasonic cell disruptor and is ultrasonically treated 12 min.It is molten
Liquid gradually becomes glassy yellow by transparent, stops ultrasound and obtains full-inorganic CsPbBr3Perovskite solution.Take out above-mentioned bright yellow solution
0.0030 g cetyl trimethylammonium bromide, 2 min of ultrasound, until cetyl trimethyl bromine are added in 100 μ L thereto
Change ammonium to be all dissolved in mixed liquor.Obtain full-inorganic perovskite solution in aqueous solution with high stability.
The foregoing is merely presently preferred embodiments of the present invention, all equivalence changes done according to scope of the present invention patent,
It is all covered by the present invention.
Claims (6)
1. a kind of raising full-inorganic CsPbBr3Perovskite stability approach in aqueous solution, it is characterised in that：Include the following steps：
（1）Lead bromide and cesium carbonate are dissolved in octadecylene or mineral oil, oleic acid, oleyl amine are added；
（2）To step（1）The mixed liquor is ultrasonically treated, and full-inorganic CsPbBr is obtained3Perovskite solution；
（3）In step（2）CsPbBr3Cetyl trimethylammonium bromide is added in perovskite solution, it is sonicated, it will
CsPbBr3Perovskite solution is uniformly mixed to get to fluorescent stabilization in aqueous solution with cetyl trimethylammonium bromide
CsPbBr3Perovskite solution.
2. according to the method described in claim 1, it is characterized in that：Step（1）The molar ratio of middle lead bromide and cesium carbonate is 3:
1。
3. according to the method described in claim 1, it is characterized in that：Step（1）Middle octadecylene or mineral oil and oleic acid, oleyl amine
Volume ratio be 20:1:1.
4. according to the method described in claim 1, it is characterized in that：Step（2）Middle sonication treatment time is 8-12 min.
5. according to the method described in claim 1, it is characterized in that：Step（3）Middle sonication treatment time is 1-2 min.
6. according to the method described in claim 1, it is characterized in that：Step（3）Middle CsPbBr3Perovskite solution and cetyl
The amount ratio of trimethylammonium bromide is 100 μ L：0.0030 g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082046.7A CN108862376B (en) | 2018-09-17 | 2018-09-17 | A kind of raising full-inorganic CsPbBr3Perovskite stability approach in aqueous solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811082046.7A CN108862376B (en) | 2018-09-17 | 2018-09-17 | A kind of raising full-inorganic CsPbBr3Perovskite stability approach in aqueous solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108862376A true CN108862376A (en) | 2018-11-23 |
| CN108862376B CN108862376B (en) | 2019-07-09 |
Family
ID=64324298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811082046.7A Active CN108862376B (en) | 2018-09-17 | 2018-09-17 | A kind of raising full-inorganic CsPbBr3Perovskite stability approach in aqueous solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108862376B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109762554A (en) * | 2019-03-08 | 2019-05-17 | 福州大学 | A kind of method of one-step synthesis method stable CsPbBr3 perovskite in aqueous solution |
| CN110079313A (en) * | 2019-04-10 | 2019-08-02 | 济南大学 | A kind of large scale, spherical shape CsPbBr3/SiO2The preparation method of illuminator |
| CN110144217A (en) * | 2019-06-13 | 2019-08-20 | 中国药科大学 | A kind of CsPbBr3/Cs4PbBr6Composite perofskite material and preparation method thereof |
| CN110184056A (en) * | 2019-06-20 | 2019-08-30 | 南京理工大学 | The synthetic method of high efficiency halogen perovskite quantum dot scintillator for x-ray imaging |
| CN112051249A (en) * | 2020-09-07 | 2020-12-08 | 福州大学 | Sulfanilic acid modified perovskite composite material and application thereof in nitrite detection |
| CN112964687A (en) * | 2021-02-22 | 2021-06-15 | 江南大学 | Fluorescence ratio detection method for determining moisture content in grease based on fluorescent perovskite nano material |
| CN113292096A (en) * | 2021-06-09 | 2021-08-24 | 曲阜师范大学 | Preparation method for synthesizing inorganic perovskite nanocrystalline by non-injection one-step method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107032392A (en) * | 2017-04-14 | 2017-08-11 | 苏州大学 | A kind of full-inorganic perovskite nanometer sheet and its preparation method and application |
| WO2017195191A1 (en) * | 2016-05-08 | 2017-11-16 | Yeda Research And Development Co. Ltd. | Process for the preparation of halide perovskite and perovskite-related materials |
| CN107418572A (en) * | 2017-08-03 | 2017-12-01 | 武汉理工大学 | A kind of method that sonochemical method prepares caesium lead bromine perovskite quantum dot |
| CN107697946A (en) * | 2017-11-03 | 2018-02-16 | 深圳大学 | A kind of preparation method of full-inorganic perovskite quantum dot |
| CN107814409A (en) * | 2017-10-27 | 2018-03-20 | 华南理工大学 | A kind of green ultrasound synthesis different structure CsPbBr3The method of nanocrystal |
| US20180142148A1 (en) * | 2016-11-24 | 2018-05-24 | Samsung Electronics Co., Ltd. | Nanocrystal, method of preparing the same, and optoelectronic device including the nanocrystal |
-
2018
- 2018-09-17 CN CN201811082046.7A patent/CN108862376B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017195191A1 (en) * | 2016-05-08 | 2017-11-16 | Yeda Research And Development Co. Ltd. | Process for the preparation of halide perovskite and perovskite-related materials |
| US20180142148A1 (en) * | 2016-11-24 | 2018-05-24 | Samsung Electronics Co., Ltd. | Nanocrystal, method of preparing the same, and optoelectronic device including the nanocrystal |
| CN107032392A (en) * | 2017-04-14 | 2017-08-11 | 苏州大学 | A kind of full-inorganic perovskite nanometer sheet and its preparation method and application |
| CN107418572A (en) * | 2017-08-03 | 2017-12-01 | 武汉理工大学 | A kind of method that sonochemical method prepares caesium lead bromine perovskite quantum dot |
| CN107814409A (en) * | 2017-10-27 | 2018-03-20 | 华南理工大学 | A kind of green ultrasound synthesis different structure CsPbBr3The method of nanocrystal |
| CN107697946A (en) * | 2017-11-03 | 2018-02-16 | 深圳大学 | A kind of preparation method of full-inorganic perovskite quantum dot |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109762554A (en) * | 2019-03-08 | 2019-05-17 | 福州大学 | A kind of method of one-step synthesis method stable CsPbBr3 perovskite in aqueous solution |
| CN109762554B (en) * | 2019-03-08 | 2021-07-13 | 福州大学 | Method for synthesizing CsPbBr3 perovskite stable in aqueous solution by one-step method |
| CN110079313A (en) * | 2019-04-10 | 2019-08-02 | 济南大学 | A kind of large scale, spherical shape CsPbBr3/SiO2The preparation method of illuminator |
| CN110144217A (en) * | 2019-06-13 | 2019-08-20 | 中国药科大学 | A kind of CsPbBr3/Cs4PbBr6Composite perofskite material and preparation method thereof |
| CN110184056A (en) * | 2019-06-20 | 2019-08-30 | 南京理工大学 | The synthetic method of high efficiency halogen perovskite quantum dot scintillator for x-ray imaging |
| CN110184056B (en) * | 2019-06-20 | 2021-10-22 | 南京理工大学 | Synthesis method of high-efficiency halogen perovskite quantum dot scintillator for X-ray imaging |
| CN112051249A (en) * | 2020-09-07 | 2020-12-08 | 福州大学 | Sulfanilic acid modified perovskite composite material and application thereof in nitrite detection |
| CN112051249B (en) * | 2020-09-07 | 2021-06-22 | 福州大学 | Sulfanilic acid modified perovskite composite material and application thereof in nitrite detection |
| CN112964687A (en) * | 2021-02-22 | 2021-06-15 | 江南大学 | Fluorescence ratio detection method for determining moisture content in grease based on fluorescent perovskite nano material |
| CN112964687B (en) * | 2021-02-22 | 2022-02-01 | 江南大学 | Fluorescence ratio detection method for determining moisture content in grease based on fluorescent perovskite nano material |
| CN113292096A (en) * | 2021-06-09 | 2021-08-24 | 曲阜师范大学 | Preparation method for synthesizing inorganic perovskite nanocrystalline by non-injection one-step method |
| CN113292096B (en) * | 2021-06-09 | 2022-11-11 | 曲阜师范大学 | Preparation method for synthesizing inorganic perovskite nanocrystal by non-injection one-step method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108862376B (en) | 2019-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108862376B (en) | A kind of raising full-inorganic CsPbBr3Perovskite stability approach in aqueous solution | |
| Huang et al. | Near-infrared persistent luminescence in a Cr3+-doped perovskite for low-irradiance imaging | |
| Rabouw et al. | Quenching pathways in NaYF4: Er3+, Yb3+ upconversion nanocrystals | |
| Zhang et al. | Synthesis and luminescence properties of CsPbX3@ Uio-67 composites toward stable photoluminescence convertors | |
| CN108034418B (en) | All-inorganic lead-halogen perovskite nano composite luminescent material, and preparation method and application thereof | |
| Chen et al. | Highly stable silica-wrapped Mn-doped CsPbCl3 quantum dots for bright white light-emitting devices | |
| Su et al. | Resonance energy transfer in upconversion nanoplatforms for selective biodetection | |
| Ren et al. | Synthesis of core–shell ScF3 nanoparticles for thermal enhancement of upconversion | |
| Zhou et al. | Efficient dual-modal NIR-to-NIR emission of rare earth ions co-doped nanocrystals for biological fluorescence imaging | |
| Xiao et al. | Eu3+-doped In2O3 nanophosphors: electronic structure and optical characterization | |
| Peng et al. | Color-tunable binuclear (Eu, Tb) nanocomposite powder for the enhanced development of latent fingerprints based on electrostatic interactions | |
| CN106350057B (en) | A kind of preparation method of fluorescence nano hybrid particle | |
| Xu et al. | Preparation and properties of dual-mode luminescent NaYF 4: Yb, Tm@ SiO 2/carbon dot nanocomposites | |
| Rossi et al. | Exploiting the transformative features of metal halides for the synthesis of CsPbBr3@ SiO2 core–shell nanocrystals | |
| Xu et al. | Improving 800 nm triggered upconversion emission for lanthanide-doped CaF2 nanoparticles through sodium ion doping | |
| Miao et al. | Broadband short-wave infrared-emitting MgGa2O4: Cr3+, Ni2+ phosphor with near-unity internal quantum efficiency and high thermal stability for light-emitting diode applications | |
| Feng et al. | Highly erbium-doped nanoplatform with enhanced red emission for dual-modal optical-imaging-guided photodynamic therapy | |
| Xu et al. | Construction of NaYF4: Eu@ carbon dots nanocomposites for multifunctional applications | |
| Alamdari et al. | Synthesize and optical response of ZnO/CdWO4: Ce nanocomposite with high sensitivity detection of ionizing radiations | |
| Yu et al. | A synthesis and up-conversional photoluminescence study of hexagonal phase NaYF 4: Yb, Er nanoparticles | |
| CN105461920A (en) | Method for synthesizing sea-urchin-shaped gold nanoparticles and spherical polyaniline through one-pot method and applications | |
| Xue et al. | Tuning the upconversion efficiency and spectrum of upconversion nanoparticles through surface decorating of an organic dye | |
| Yang et al. | Nonstoichiometric Nanocubes with a Controllable Morphology and Persistent Luminescence for Autofluorescence-Free Biosensing | |
| CN109762554A (en) | A kind of method of one-step synthesis method stable CsPbBr3 perovskite in aqueous solution | |
| CN102533272B (en) | The rear-earth-doped sodium yttrium fluoride nanoparticle of the water miscible amination of one-step synthesis method |
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 |