CN112374462A - Preparation method of high-quality iodine quantum dots - Google Patents
Preparation method of high-quality iodine quantum dots Download PDFInfo
- Publication number
- CN112374462A CN112374462A CN202011302926.8A CN202011302926A CN112374462A CN 112374462 A CN112374462 A CN 112374462A CN 202011302926 A CN202011302926 A CN 202011302926A CN 112374462 A CN112374462 A CN 112374462A
- Authority
- CN
- China
- Prior art keywords
- iodine
- quantum dots
- quality
- mixed solution
- prepare
- 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.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/13—Iodine; Hydrogen iodide
- C01B7/14—Iodine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- C09K11/63—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing boron
-
- 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)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention relates to a preparation method of high-quality iodine quantum dots, belongs to the technical field of nano materials, solves the technical problem of preparing the high-quality iodine quantum dots, and comprises the following steps: firstly, grinding iodine elementary substance powder in a mortar; secondly, uniformly mixing the ground iodine powder with a solvent to prepare a mixed solution; thirdly, carrying out ultrasonic stripping on the mixed solution; and finally, carrying out centrifugal classification on the product subjected to ultrasonic stripping to prepare the iodine quantum dots. The prepared iodine quantum dots have high concentration, high quality and uniform appearance, and can be used as electrode materials of new energy devices and photoelectric devices. The method can prepare a large amount of iodine materials with adjustable layer numbers, has low cost and high yield, and is favorable for promoting the research and practical application of the iodine quantum dots.
Description
Technical Field
The invention belongs to the technical field of nano materials, and particularly relates to a preparation method of high-quality iodine quantum dots.
Background
Due to the unique structure of the two-dimensional nano material, the two-dimensional nano material has a series of excellent physical and chemical properties and has great potential application value in the fields of new energy resources such as nano devices, super capacitors, lithium ion batteries, sodium ion batteries and the like. And the size of the material is further reduced to quantum dots, and the material shows more unique performance due to quantum size effect.
Iodine is an element of the seventh main group and has this wide application in daily life. The iodine quantum dots are prepared by a nano method, and the method has wide application prospect in the fields of energy devices, photoelectric devices and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and solve the technical problem of preparing high-quality iodine quantum dots, and provides a preparation method of the high-quality iodine quantum dots, which is used for preparing the high-crystallinity iodine quantum dots by a liquid-phase ultrasonic stripping method.
The invention is realized by the following technical scheme.
A preparation method of high-quality iodine quantum dots comprises the following steps: firstly, grinding iodine elementary substance powder in a mortar; secondly, uniformly mixing the ground iodine powder with a solvent to prepare a mixed solution, wherein the concentration of iodine in the mixed solution is 0.5 mg/mL-1 mg/mL; thirdly, carrying out ultrasonic stripping on the mixed solution, wherein the ultrasonic time is 10-20h, and the ultrasonic power is 500-900W; and finally, carrying out centrifugal classification on the product subjected to ultrasonic stripping, wherein the rotating speed of the centrifugal classification is 8000-12000 r/min, and thus obtaining the iodine quantum dots.
Further, the solvent is one or more of water, 1-ethyl-3-methylimidazole tetrafluoroborate ionic liquid and 1-ethyl-3-methylimidazole trifluoroacetate ionic liquid.
Compared with the prior art, the invention has the beneficial effects that:
the prepared iodine quantum dots have high concentration, high quality and uniform appearance, and can be used as electrode materials of new energy devices and photoelectric devices. The method can prepare a large amount of high-quality iodine quantum dots, has low cost and high yield, and is favorable for promoting the research and practical application of the iodine quantum dots.
Drawings
Fig. 1 is a transmission electron micrograph of the iodine quantum dots prepared in example 1.
Detailed Description
The invention is described in further detail below with reference to the figures and examples.
Example 1
A preparation method of high-quality iodine quantum dots comprises the following steps:
1) grinding 100 mg of iodine elementary substance powder in a mortar;
2) putting the ground iodine powder into a 250 ml beaker, adding 100 ml of water, and uniformly mixing to obtain a mixed solution;
3) carrying out ultrasonic stripping on the mixed solution, wherein the ultrasonic time is 10h, and the ultrasonic power is 700W;
4) and finally, carrying out centrifugal classification on the product subjected to ultrasonic stripping, wherein the rotating speed of the centrifugal classification is 9000 r/min, and thus obtaining the iodine quantum dots.
Fig. 1 is a transmission electron micrograph of the iodine quantum dots prepared in this example, and it can be seen from fig. 1 that the size of the iodine quantum dots is uniform.
Example 2
A preparation method of high-quality iodine quantum dots comprises the following steps:
1) grinding 50 mg of iodine elementary substance powder in a mortar;
2) putting the ground iodine powder into a 200 ml beaker, adding 100 ml of 1-ethyl-3-methylimidazolium tetrafluoroborate ionic liquid, and uniformly mixing to prepare a mixed solution;
3) carrying out ultrasonic stripping on the mixed solution, wherein the ultrasonic time is 20h, and the ultrasonic power is 500W;
4) and finally, carrying out centrifugal classification on the product subjected to ultrasonic stripping, wherein the rotating speed of the centrifugal classification is 12000 r/min, and thus obtaining the iodine quantum dots.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (2)
1. A preparation method of high-quality iodine quantum dots is characterized by comprising the following steps: firstly, grinding iodine elementary substance powder in a mortar; secondly, uniformly mixing the ground iodine powder with a solvent to prepare a mixed solution, wherein the concentration of iodine in the mixed solution is 0.5 mg/mL-1 mg/mL; thirdly, carrying out ultrasonic stripping on the mixed solution, wherein the ultrasonic time is 10-20h, and the ultrasonic power is 500-900W; and finally, carrying out centrifugal classification on the product subjected to ultrasonic stripping, wherein the rotating speed of the centrifugal classification is 8000-12000 r/min, and thus obtaining the iodine quantum dots.
2. The method for preparing high-quality iodine quantum dots according to claim 1, wherein the method comprises the following steps: the solvent is one or more of water, 1-ethyl-3-methylimidazole tetrafluoroborate ionic liquid and 1-ethyl-3-methylimidazole trifluoroacetate ionic liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011302926.8A CN112374462A (en) | 2020-11-19 | 2020-11-19 | Preparation method of high-quality iodine quantum dots |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011302926.8A CN112374462A (en) | 2020-11-19 | 2020-11-19 | Preparation method of high-quality iodine quantum dots |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112374462A true CN112374462A (en) | 2021-02-19 |
Family
ID=74584537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011302926.8A Pending CN112374462A (en) | 2020-11-19 | 2020-11-19 | Preparation method of high-quality iodine quantum dots |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112374462A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105462587A (en) * | 2015-12-14 | 2016-04-06 | 上海交通大学 | Method for preparing blue molybdenum disulfide quantum dot solutions |
| CN106512886A (en) * | 2016-11-04 | 2017-03-22 | 南方科技大学 | Peeling method for laminated material and peeled material acquired by peeling |
| CN109399724A (en) * | 2018-11-26 | 2019-03-01 | 深圳大学 | The preparation method of rhenium disulfide quantum dot |
| US20190093239A1 (en) * | 2016-03-24 | 2019-03-28 | Monash University | Shear assisted electrochemical exfoliation of two dimensional materials |
-
2020
- 2020-11-19 CN CN202011302926.8A patent/CN112374462A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105462587A (en) * | 2015-12-14 | 2016-04-06 | 上海交通大学 | Method for preparing blue molybdenum disulfide quantum dot solutions |
| US20190093239A1 (en) * | 2016-03-24 | 2019-03-28 | Monash University | Shear assisted electrochemical exfoliation of two dimensional materials |
| CN106512886A (en) * | 2016-11-04 | 2017-03-22 | 南方科技大学 | Peeling method for laminated material and peeled material acquired by peeling |
| CN109399724A (en) * | 2018-11-26 | 2019-03-01 | 深圳大学 | The preparation method of rhenium disulfide quantum dot |
Non-Patent Citations (2)
| Title |
|---|
| DECAI GONG,ET AL.: "An Iodine Quantum Dots Based Rechargeable Sodium–Iodine Battery", 《ADVANCED ENERGY MATERIALS》 * |
| MENGMENG QIAN,ET AL.: "Realizing Few-Layer Iodinene for High-Rate Sodium-Ion Batteries", 《ADV. MATER.》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103219519B (en) | Preparation method of lithium-sulphur battery positive pole material with sulfur-graphene composite structure | |
| CN106960956A (en) | Modified Prussian blue material, sodium-ion battery positive plate and preparation method | |
| CN106159271A (en) | A kind of lithium ion battery in-situ cross-linked polymeric binder and the electrode of preparation thereof | |
| Xia et al. | PPy decorated α-Fe 2 O 3 nanosheets as flexible supercapacitor electrodes | |
| CN106024408B (en) | A kind of ruthenium-oxide-vulcanization carbon/carbon-copper composite material, using and a kind of electrode slice of ultracapacitor | |
| CN108649228B (en) | Binder for silicon-based negative electrode of lithium ion battery, negative electrode and preparation method | |
| CN108597907A (en) | A kind of preparation method and application of nickel molybdenum selenides/nickel foam combination electrode material | |
| Ling et al. | Sustainable okra gum for silicon anode in lithium-ion batteries | |
| CN106025268A (en) | Water-based lithium battery cathode slurry and preparation method thereof | |
| CN105140044A (en) | Method for preparing graphene-based nickel oxide nanocomposite | |
| CN107833752A (en) | A kind of DSSC that is used for is to heteropoly acid composite of electrode and preparation method thereof | |
| CN104993110A (en) | Preparation method of composite negative electrode material for lithium ion battery | |
| CN110980685A (en) | Method for preparing carbon aerogel by taking waste seaweed residues as raw materials | |
| CN104852017A (en) | Sulfur-doped carbon nanowires, and three-dimensional sulfur-doped carbon nanowire network-silicon composite material and preparation method thereof | |
| Ponraj et al. | Recent advances and need of green synthesis in two-dimensional materials for energy conversion and storage applications | |
| CN102306782A (en) | Lithium iron phosphate battery anode and preparation method thereof | |
| CN106449180A (en) | Method for increasing specific capacitance of graphene-based supercapacitor | |
| CN109134757A (en) | A kind of modification of chitosan and preparation method thereof and purposes | |
| CN103483815A (en) | Preparation method of conductive polypyrrole/ lignosulfonate compound for energy storage (electrode) material | |
| CN102602989A (en) | Titanium dioxide as well as preparation method thereof, slurry material of solar battery as well as preparation method thereof and solar battery | |
| CN112374462A (en) | Preparation method of high-quality iodine quantum dots | |
| CN106449181B (en) | A kind of preparation method of polypyrrole/graphene/tin dioxide composite material | |
| CN108148523A (en) | A kind of conducting resinl that can be directly used for homogenate and preparation method thereof | |
| CN112340710A (en) | Preparation method of high-quality tellurium quantum dots | |
| CN107162054B (en) | A kind of preparation method of three-dimensional netted ammonium vanadate nanocrystal |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210219 |