CN105088348A - Method for preparing BaCuSi4O10 two-dimensional crystal - Google Patents
Method for preparing BaCuSi4O10 two-dimensional crystal Download PDFInfo
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- CN105088348A CN105088348A CN201510515229.3A CN201510515229A CN105088348A CN 105088348 A CN105088348 A CN 105088348A CN 201510515229 A CN201510515229 A CN 201510515229A CN 105088348 A CN105088348 A CN 105088348A
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Abstract
The invention discloses a method for preparing a BaCuSi4O10 two-dimensional crystal. According to the method, an acid solution is utilized to strip a BaCuSi4O10 three-dimensional crystal, thereby obtaining the BaCuSi4O10 two-dimensional crystal. The method comprises the following steps: adding a BaCuSi4O10 crystal into the acid solution, carrying out ultrasonic treatment in a water bath, and standing; and taking the supernate, centrifuging, and washing with deionized water to obtain the two-dimensional laminar BaCuSi4O10 crystal. The preparation method has the advantages of high simpleness, high efficiency and low cost, and is beneficial to large-scale preparation.
Description
Technical field
The present invention relates to a kind of crystal preparation method, particularly relate to one and prepare BaCuSi
4o
10the method of two dimensional crystal.
Background technology
BaCuSi
4o
10it is the main component of ancient pigment Chinese indigo plant (HanBlue).People were surprised to find that it is the same with Egyptian blue (EgyptianBlue) in recent years, were also a kind ofly to have inorganic materials more near-infrared luminous, and luminous peak position is positioned at ~ 950nm, is expected to very much be applied to the field such as solar cell, optical sensing.
More stem-winding, the people such as the Darrah of University of Georgia in 2014 finds, this not only ancient but also novel near-infrared optical material can be stripped into two-dimensional layer crystal through high-energy ultrasonic and keep its near-infrared optical characteristic in NVP.This shows that the material of this " ancient " has huge application potential in fields such as near infrared bio-imaging advanced at present, near-infrared LED (especially communication field) and safety inks.
But, the preparation BaCuSi of report at present
4o
10the method of two dimensional crystal needs through high-energy ultrasonic process in the such organic solvent of NVP, and cost is high, and potentially contaminated coefficient is large, limits its further investigation and application to a certain extent.
Summary of the invention
In order to solve Problems existing in background technology, the object of this invention is to provide one and having prepared BaCuSi
4o
10the method of two dimensional crystal, present method is simple, efficient, consuming time short, is beneficial to extensive preparation.
Technical scheme of the present invention is:
Acid solution is used to peel off BaCuSi
4o
10three-dimensional crystal, prepares BaCuSi
4o
10two dimensional crystal.
Described acid solution is hydrochloric acid, nitric acid or sulphuric acid soln.
Described BaCuSi
4o
10two dimensional crystal is two-dimensional layer monocrystalline.
The inventive method is specifically:
1) by BaCuSi
4o
10crystal adds in acid solution, and in water-bath, supersound process 30 ~ 120 minutes, then leaves standstill;
2) get upper strata 2/3 clear liquid, carry out centrifugal treating, centrifugal rotating speed is 8000 ~ 15000 revs/min, 5 ~ 10 minutes time;
3) washed with de-ionized water 2 ~ 3 times, obtains two-dimensional layer BaCuSi
4o
10crystal.
Preferably, described step 1) if in acid solution hydrochloric acid, its concentration is 1 ~ 12 mol/L.
Preferably, described step 1) if in acid solution nitric acid, its concentration is 3 ~ 14.4 mol/L.
Preferably, described step 1) if in acid solution sulfuric acid, its concentration is 3 ~ 18 mol/L.
The invention has the beneficial effects as follows:
The present invention prepares two-dimensional layer BaCuSi
4o
10monocrystalline, the preparation time cycle is short, can obtain two-dimentional single crystal fast, preparation condition is simple, easy to control, cost is low, greatly shortens experiment and production cycle, raises the efficiency.
Accompanying drawing explanation
Fig. 1 is the BaCuSi of embodiment 1 correspondence
4o
10the two dimension transmission electron microscope photo of monocrystalline and the electron diffraction pattern of counter sample.
Fig. 2 is the BaCuSi of embodiment 2 correspondence
4o
10the two dimension transmission electron microscope photo of monocrystalline and the electron diffraction pattern of counter sample.
Fig. 3 is the BaCuSi of embodiment 3 correspondence
4o
10the two dimension transmission electron microscope photo of monocrystalline and the electron diffraction pattern of counter sample.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
The present invention prepares two-dimensional layer BaCuSi
4o
10the principle of monocrystalline is: BaCuSi
4o
10crystalline structure is the Cu of plane four-coordination
2+ion connects [SiO
4] tetrahedron, interlayer is by Ba
2+, therefore can there is splitting under acid solution and hyperacoustic acting in conjunction and obtain stratiform two dimensional crystal in the Coulomb force connection that ion is more weak.
Specific embodiments of the invention are as follows:
Table 1 lists concentration, the sonication treatment time of the acid solution of 6 embodiments of the present invention.Accompanying drawing 1,2,3 is respectively the BaCuSi of embodiment 1,2,3 correspondence
4o
10the two dimension transmission electron microscope photo of monocrystalline and the electron diffraction pattern of counter sample, that prepare is BaCuSi by known in figure
4o
10two-dimensional layer monocrystalline.
The embodiment of the present invention 1 ~ 6 is implemented in accordance with the following methods:
According to the BaCuSi of embodiment 1 ~ 6 by 0.15g
4o
10crystal adds in the 20ml acid solution of corresponding concentration, supersound process, leaves standstill 5 ~ 24 hours, and general employing leaves standstill 12 hours, gets supernatant liquid 2/3 centrifugal, washed with de-ionized water 2 ~ 3 times, generally adopts 3 times, obtains two-dimensional layer BaCuSi
4o
10monocrystalline.
Table 1
From embodiment, the present invention can prepare two-dimensional layer BaCuSi
4o
10monocrystalline, the preparation time cycle is at most 24 hours, generally just can prepare in one day or several hours, greatly shortens experiment and production cycle, has easy to control, that cost is low, efficiency is high outstanding remarkable technique effect.
Above-mentioned specific embodiment is used for explaining and the present invention is described, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment make the present invention and change, all fall into protection scope of the present invention.
Claims (7)
1. prepare BaCuSi for one kind
4o
10the method of two dimensional crystal, is characterized in that:
Acid solution is used to peel off BaCuSi
4o
10three-dimensional crystal, prepares BaCuSi
4o
10two dimensional crystal.
2. one according to claim 1 prepares BaCuSi
4o
10the method of two dimensional crystal, is characterized in that: described acid solution is hydrochloric acid, nitric acid or sulphuric acid soln.
3. one according to claim 1 prepares BaCuSi
4o
10the method of two dimensional crystal, is characterized in that: described BaCuSi
4o
10two dimensional crystal is two-dimensional layer monocrystalline.
4. one according to claim 1 prepares BaCuSi
4o
10the method of two dimensional crystal, is characterized in that described method specifically:
1) by BaCuSi
4o
10crystal adds in acid solution, and in water-bath, supersound process 30 ~ 120 minutes, then leaves standstill;
2) get upper strata 2/3 clear liquid, carry out centrifugal treating, centrifugal rotating speed is 8000 ~ 15000 revs/min, 5 ~ 10 minutes time;
3) washed with de-ionized water 2 ~ 3 times, obtains two-dimensional layer BaCuSi
4o
10crystal.
5. one according to claim 5 prepares BaCuSi
4o
10the method of two dimensional crystal, is characterized in that: described step 1) if in acid solution hydrochloric acid, its concentration is 1 ~ 12 mol/L.
6. one according to claim 5 prepares BaCuSi
4o
10the method of two dimensional crystal, is characterized in that: described step 1) if in acid solution nitric acid, its concentration is 3 ~ 14.4 mol/L.
7. one according to claim 5 prepares BaCuSi
4o
10the method of two dimensional crystal, is characterized in that: described step 1) if in acid solution sulfuric acid, its concentration is 3 ~ 18 mol/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510515229.3A CN105088348A (en) | 2015-08-20 | 2015-08-20 | Method for preparing BaCuSi4O10 two-dimensional crystal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510515229.3A CN105088348A (en) | 2015-08-20 | 2015-08-20 | Method for preparing BaCuSi4O10 two-dimensional crystal |
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|---|---|
| CN105088348A true CN105088348A (en) | 2015-11-25 |
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| CN201510515229.3A Pending CN105088348A (en) | 2015-08-20 | 2015-08-20 | Method for preparing BaCuSi4O10 two-dimensional crystal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379906A (en) * | 2016-08-12 | 2017-02-08 | 陕西科技大学 | Preparation method for archaistic blue pigments |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103601202A (en) * | 2013-11-14 | 2014-02-26 | 吉林大学 | Method for preparing SrCuSi4O10 and BaCuSi4O10 blue pigments through hydrothermal technique |
| CN104098103A (en) * | 2013-04-09 | 2014-10-15 | 中国科学技术大学 | Traditional firing method for China purple (BaCuSi2O6) and China blue (BaCuSi4O10) pigments |
| US9028957B2 (en) * | 2012-09-12 | 2015-05-12 | University Of Georgia Research Foundation, Inc. | Metal silicate nanosheets, methods of making metal silicate nanosheets, and methods of use |
-
2015
- 2015-08-20 CN CN201510515229.3A patent/CN105088348A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9028957B2 (en) * | 2012-09-12 | 2015-05-12 | University Of Georgia Research Foundation, Inc. | Metal silicate nanosheets, methods of making metal silicate nanosheets, and methods of use |
| CN104098103A (en) * | 2013-04-09 | 2014-10-15 | 中国科学技术大学 | Traditional firing method for China purple (BaCuSi2O6) and China blue (BaCuSi4O10) pigments |
| CN103601202A (en) * | 2013-11-14 | 2014-02-26 | 吉林大学 | Method for preparing SrCuSi4O10 and BaCuSi4O10 blue pigments through hydrothermal technique |
Non-Patent Citations (3)
| Title |
|---|
| DARRAH JOHNSON-MCDANIEL ET AL.: "Nanoscience of an Ancient Pigment", 《J. AM. CHEM. SOC.》 * |
| DARRAH JOHNSON-MCDANIEL,ET AL.: "Exfoliation of Egyptian Blue and Han Blue, Two Alkali Earth Copper Silicate-based Pigments", 《JOURNAL OF VISUALIZED EXPERIMENTS》 * |
| TINA T. SALGUERO ET AL.: "Nanoscience of Metal Silicate-Based Pigments", 《MATER. RES. SOC. SYMP. PROC.》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379906A (en) * | 2016-08-12 | 2017-02-08 | 陕西科技大学 | Preparation method for archaistic blue pigments |
| CN106379906B (en) * | 2016-08-12 | 2018-04-03 | 陕西科技大学 | A kind of preparation method of blue pigment modelled after an antique |
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