CN109336167A - A kind of CdS raw powder's production technology - Google Patents
A kind of CdS raw powder's production technology Download PDFInfo
- Publication number
- CN109336167A CN109336167A CN201811414140.8A CN201811414140A CN109336167A CN 109336167 A CN109336167 A CN 109336167A CN 201811414140 A CN201811414140 A CN 201811414140A CN 109336167 A CN109336167 A CN 109336167A
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- cds
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- thermal reaction
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G11/00—Compounds of cadmium
- C01G11/02—Sulfides
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The present invention provides a kind of CdS raw powder's production technologies, comprising the following steps: (1) mixes cadmium salt in water-ethanol system with thioacetamide and carry out hydro-thermal reaction；(2) make to stand after being washed with deionized 4-5 times after the completion of hydro-thermal reaction and obtain precipitating powder granule, CdS powder granule is obtained after centrifugation.Compared with prior art, the invention has the benefit that reacting in the water-ethanol system that common cadmium salt and thioacetamide and ethyl alcohol are constituted by low-temperature hydrothermal, form and the controllable CdS powder of performance be can get.The method of the present invention has many advantages, such as easy to operate, and product form and performance are controllable and low in cost.
Description
Technical field
The present invention relates to cadmium sulfide powder and its optical property control technique field, especially a kind of preparation of CdS powder
Method.
Background technique
CdS is a kind of important semiconductor, its forbidden bandwidth at room temperature is about 2.42eV, device for non-linear optical,
The fields such as light emitting diode, laser, solar battery, thin film sensor, photocatalytic activity have a wide range of applications.Closely
Nian Lai, the CdS nanometer material of various patterns, such as nano particle, nanometer rods, nano wire, nanotube are synthesized, synthesis
Method mainly has a hydro-thermal and solvent-thermal method, chemical precipitation method, electrochemical process, template, microwave irradiation etc., but CdS nanometers
The pattern of ball and microsphere is difficult to control, and prepares relatively difficult, and the report of this respect is also seldom.
Summary of the invention
The object of the present invention is to provide a kind of CdS raw powder's production technologies, and to solve deficiency in the prior art, it can
Prepare the CdS microsphere with good pattern, and it is at low cost, environmental-friendly, method is simple.
The present invention provides a kind of CdS raw powder's production technologies, comprising the following steps:
(1) cadmium salt is mixed in water-ethanol system with thioacetamide and carries out hydro-thermal reaction；
(2) make to stand after being washed with deionized 4-5 times after the completion of hydro-thermal reaction and obtain precipitating powder granule, after centrifugation
To CdS powder granule.
A kind of CdS raw powder's production technology as described above, wherein preferably, hydro-thermal reaction described in step (1)
Temperature is 120-180 DEG C.
A kind of CdS raw powder's production technology as described above, wherein preferably, hydro-thermal reaction described in step (1)
Time is 10h.
Compared with prior art, the invention has the benefit that being constituted in common cadmium salt and thioacetamide and ethyl alcohol
Water-ethanol system in, reacted by low-temperature hydrothermal, can get form and the controllable CdS powder of performance.In experimentation, lead to
The ratio for crossing water and ethyl alcohol in regulation reaction system, can get hollow and solid microsphere.It is both to have several CdS nano particles
Assemble.Spectrofluorimetry shows reaction temperature height, and the luminous intensity of the Cd powder of acquisition is also high；In reaction system
Gradually, product will have hollow structure to change to solid construction for ethanol content increase.Therefore, it by changing reaction condition, realizes
Luminous and form regulation to CdS powder.The method of the present invention compared with existing CdS technology of preparing, have it is easy to operate,
The advantages that product form and controllable and low in cost performance.
Detailed description of the invention
Fig. 1 is the structure and form of CdS powder in the embodiment of the present invention 1；
Fig. 2 is the optical property of product in the embodiment of the present invention 2；
Fig. 3 is the aspect graph of product in the embodiment of the present invention 3.
Specific embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, for explaining only the invention, and cannot be construed to
Limitation of the present invention.
A kind of CdS raw powder's production technology, comprising the following steps:
(1) cadmium salt is mixed in water-ethanol system with thioacetamide and carries out hydro-thermal reaction；
(2) make to stand after being washed with deionized 4-5 times after the completion of hydro-thermal reaction and obtain precipitating powder granule, after centrifugation
To CdS powder granule.
The temperature of hydro-thermal reaction described in step (1) is 120-180 DEG C.
The time of hydro-thermal reaction described in step (1) is 10h.
The embodiment of the present invention 1:
A kind of CdS raw powder's production technology, comprising the following steps:
(1) by cadmium salt and thioacetamide, mixing carries out hydro-thermal reaction, reaction in the water-ethanol system that ratio is 2:1
Temperature is 160 DEG C, reaction time 10h；
(2) make to stand after being washed with deionized 4-5 times after the completion of hydro-thermal reaction and obtain precipitating powder granule, after centrifugation
To CdS powder granule.
The XRD spectra of the product of Fig. 1 a the present embodiment.Fig. 1 b is the stereoscan photograph of the CdS particle of the present embodiment, can
To find out, the CdS particle of acquisition is the porous microsphere being assembled by several CdS nano particles.
The embodiment of the present invention 2:
A kind of CdS raw powder's production technology, comprising the following steps:
(1) by cadmium salt and thioacetamide, mixing carries out hydro-thermal reaction, reaction in the water-ethanol system that ratio is 2:1
Temperature is 140 DEG C, reaction time 10h；
(2) make to stand after being washed with deionized 4-5 times after the completion of hydro-thermal reaction and obtain precipitating powder granule, after centrifugation
To CdS powder granule.
Fig. 2 a is the visible uv absorption spectra of the product of the present embodiment, it can be seen that product is in 300nm at a temperature of this
It is higher with two peak position absorption intensities of 534nm.It is obtained under different temperatures using the laser that excitation wavelength is 300nm to excite
CdS, the launching light spectrogram of the product under available different temperatures, result are as shown in Figure 2 b.As can be seen that in other conditions
When all identical, as the temperature rises, the CdS emitted luminescence intensity of acquisition is gradually increased.Therefore, different emissive porwers to be obtained
CdS product can be obtained by control synthesis temperature.
The embodiment of the present invention 3:
A kind of CdS raw powder's production technology, comprising the following steps:
(1) by cadmium salt and thioacetamide, mixing carries out hydro-thermal in the water-ethanol system that ratio is 4:1 or 1:1 or 1:4
Reaction, reaction temperature are 140 DEG C, reaction time 10h；
(2) make to stand after being washed with deionized 4-5 times after the completion of hydro-thermal reaction and obtain precipitating powder granule, after centrifugation
To CdS powder granule.
As shown in figure 3, product gradually has hollow structure to turn to solid construction with the reduction of amount of alcohol in reaction system
Become.Therefore, the structure and form of CdS product can be controlled by the usage amount of ethyl alcohol in control reaction system.
Structure, feature and effect of the invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to structure of the invention
Think made change or equivalent example modified to equivalent change, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (3)
1. a kind of CdS raw powder's production technology, it is characterised in that: the following steps are included:
(1) cadmium salt is mixed in water-ethanol system with thioacetamide and carries out hydro-thermal reaction；
(2) make to stand after being washed with deionized 4-5 times after the completion of hydro-thermal reaction and obtain precipitating powder granule, obtained after centrifugation
CdS powder granule.
2. CdS raw powder's production technology according to claim 1, it is characterised in that: hydro-thermal reaction described in step (1)
Temperature is 120-180 DEG C.
3. CdS raw powder's production technology according to claim 1, it is characterised in that: hydro-thermal reaction described in step (1)
Time is 10h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811414140.8A CN109336167A (en) | 2018-11-26 | 2018-11-26 | A kind of CdS raw powder's production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811414140.8A CN109336167A (en) | 2018-11-26 | 2018-11-26 | A kind of CdS raw powder's production technology |
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| Publication Number | Publication Date |
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| CN109336167A true CN109336167A (en) | 2019-02-15 |
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| CN201811414140.8A Pending CN109336167A (en) | 2018-11-26 | 2018-11-26 | A kind of CdS raw powder's production technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239205A (en) * | 2020-01-30 | 2020-06-05 | 吉林大学 | Based on CdSnO3Isopropyl alcohol gas sensor of sensitive layer and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962537A (en) * | 2010-09-16 | 2011-02-02 | 武汉工程大学 | Method for preparing (Zn,Cd)S quantum dot |
| CN103073049A (en) * | 2011-10-26 | 2013-05-01 | 上海纳米技术及应用国家工程研究中心有限公司 | Complexing-agent-assisted preparation method of cadmium sulfide multi-level-structured nano-grade material |
-
2018
- 2018-11-26 CN CN201811414140.8A patent/CN109336167A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962537A (en) * | 2010-09-16 | 2011-02-02 | 武汉工程大学 | Method for preparing (Zn,Cd)S quantum dot |
| CN103073049A (en) * | 2011-10-26 | 2013-05-01 | 上海纳米技术及应用国家工程研究中心有限公司 | Complexing-agent-assisted preparation method of cadmium sulfide multi-level-structured nano-grade material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239205A (en) * | 2020-01-30 | 2020-06-05 | 吉林大学 | Based on CdSnO3Isopropyl alcohol gas sensor of sensitive layer and preparation method thereof |
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Application publication date: 20190215 |