CN105502468A - Ceric oxide nanorod and preparation method and application thereof - Google Patents
Ceric oxide nanorod and preparation method and application thereof Download PDFInfo
- Publication number
- CN105502468A CN105502468A CN201510970764.8A CN201510970764A CN105502468A CN 105502468 A CN105502468 A CN 105502468A CN 201510970764 A CN201510970764 A CN 201510970764A CN 105502468 A CN105502468 A CN 105502468A
- Authority
- CN
- China
- Prior art keywords
- ceric oxide
- oxide nanorod
- preparation
- adopted
- constant temperature
- 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
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 title claims abstract description 64
- 229940044927 ceric oxide Drugs 0.000 title claims abstract description 48
- 239000002073 nanorod Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 238000001354 calcination Methods 0.000 claims abstract description 17
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 229940073455 tetraethylammonium hydroxide Drugs 0.000 claims abstract description 14
- LRGJRHZIDJQFCL-UHFFFAOYSA-M tetraethylazanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CC LRGJRHZIDJQFCL-UHFFFAOYSA-M 0.000 claims abstract description 14
- 229940045348 brown mixture Drugs 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 6
- 230000003197 catalytic effect Effects 0.000 claims description 10
- 238000001291 vacuum drying Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 238000006555 catalytic reaction Methods 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 4
- 238000012827 research and development Methods 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000001788 irregular Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- -1 polyoxyethylene Polymers 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- ATZQZZAXOPPAAQ-UHFFFAOYSA-M caesium formate Chemical compound [Cs+].[O-]C=O ATZQZZAXOPPAAQ-UHFFFAOYSA-M 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical group [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
- C01P2004/16—Nanowires or nanorods, i.e. solid nanofibres with two nearly equal dimensions between 1-100 nanometer
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a ceric oxide nanorod and a preparation method and application thereof. The preparation method of the ceric oxide nanorod comprises the steps that cerous nitrate and tetraethylammonium hydroxide are mixed and hydrolyzed, the obtained brown mixture is stored at the constant temperature, the obtained product is calcined, and the ceric oxide nanorod of the regular and complete structure can be obtained. The ceric oxide nanorod is successfully obtained, only two raw materials are needed through the preparation method, the several working procedures of mixing, constant-temperature storage, drying, calcining and the like are executed, and the ceric oxide nanorod can be obtained within 30 h; the ceric oxide nanorod is simple, controllable, short in preparation period, good in repeatability and capable of being well applied in the aspect of environment catalysis materials, and lays a good foundation for research and development of nanometer function materials.
Description
Technical field
The invention belongs to technical field of nanometer material preparation, be specifically related to a kind of preparation method of ceric oxide nanorod, prepared nanometer rod and its application.
Background technology
Cerium dioxide is a kind of rare earth oxide, owing to having the ability of extraordinary oxygen storage capacity and release oxygen and good redox ability, is widely used in catalytic field.Particularly nano ceric oxide, unique pattern, size and structure can affect its surface properties and then affect its catalytic activity.Optionally expose the crystal face of particular energy by regulating and controlling the pattern of nano ceric oxide, thus significantly promote the catalytic reaction activity of nano ceric oxide, selectivity and stability.At some catalytic field, the catalytic activity of nano bar-shape cerium dioxide is better than nano particle cerium dioxide, but the preparation method of existing nano bar-shape cerium dioxide is complicated, and preparation cycle is long.
A kind of preparation method is disclosed in Chinese patent 20120213516.6, cerous nitrate adds in polyoxyethylene-poly-oxypropylene polyoxyethylene and methane amide mixing solutions by it, obtain cesium formate presoma through hydro-thermal reaction, be prepared into ceric oxide nanorod through high-temperature calcination.This method adopts multiple organic raw material, and raw material is complicated.Describe another kind of method in Chinese patent 201110028775.6, first cerium nitrate solution is made into 0.1-0.2molL by it
-1, then drip sodium hydroxide, then the calcining through the incubation water heating reaction of 48-72 hour, the drying of 24-30 hour and 3-4 hour obtains ceric oxide nanorod.This method preparation process is loaded down with trivial details, the cycle is long.
Therefore, it is high that the raw material complicacy of existing ceric oxide nanorod preparation method and long preparation cycle determine its preparation cost, not easily applies.
Summary of the invention
In order to solve above-mentioned prior art Problems existing, the object of the present invention is to provide and a kind ofly successfully can prepare ceric oxide nanorod and the preparation method that method is simple, preparation cycle is short, reproducible, adopt the ceric oxide nanorod and application thereof prepared in this way.Ceric oxide nanorod prepared by the present invention can be widely used in environmental catalysis field.
Specifically, first, the invention provides a kind of preparation method of ceric oxide nanorod, it is characterized in that, described method comprises:
Step (1): get the cerous nitrate of the first predetermined amount and the tetraethyl ammonium hydroxide of the second predetermined amount respectively;
Step (2): got cerous nitrate is joined in tetraethyl ammonium hydroxide, hydrolysis is stirred, and obtains brown mixture;
Step (3): obtained brown mixture is joined in hydrothermal reaction kettle, constant temperature preserves the first predetermined amount of time at a predetermined temperature;
Step (4): the mixture deionized water wash several times after being preserved by constant temperature, carries out vacuum-drying, dry second predetermined amount of time;
Step (5): calcine desciccate, calcining the 3rd predetermined amount of time, obtains ceric oxide nanorod.
In the preferred implementation of one, the cerous nitrate adopted and the proportionlity of tetraethyl ammonium hydroxide are weight ratio is 1:1.2 to 1:2.5, and optimum proportion is 1:2.
In the preferred implementation of another kind, the tetraethyl ammonium hydroxide adopted is the tetraethyl ammonium hydroxide solution of 20wt%.
In the preferred implementation of another kind, in described step (3), the constant temperature storage temperature adopted is 70-90 DEG C, and the constant temperature shelf time is 8-16 hour.
In the preferred implementation of another kind, in described step (3), the constant temperature storage temperature adopted is 80 DEG C, and the constant temperature shelf time is 12 hours.
In the preferred implementation of another kind, in described step (4), the vacuum drying time is 12 hours.
In the preferred implementation of another kind, in described step (5), calcining the temperature adopted is 260-320 DEG C, and calcination time is 0.3-0.8 hour.
In the preferred implementation of another kind, in described step (5), calcining the temperature adopted is 300 DEG C, and calcination time is 0.5 hour.
Secondly, the invention provides a kind of ceric oxide nanorod, it is characterized in that, described ceric oxide nanorod adopts aforesaid method to prepare.
In addition, present invention also offers a kind of application of described ceric oxide nanorod, it is characterized in that, described ceric oxide nanorod be used for ammonia catalytic, the operational condition adopted is: temperature 150-500 DEG C, normal pressure, reaction velocity 50000h
-1, gas concentration is 500ppmNH
3, 3%O
2.
Compared with prior art, tool of the present invention has the following advantages:
1. as mentioned above, preparation method of the prior art often needs to adopt complicated organic compound or sodium hydroxide and cerous nitrate to be raw material, be prepared several procedures such as cerium base presoma, the reaction of experience incubation water heating, washing, drying, calcining, preparation cycle needs 75-105 hour.Preparation process is loaded down with trivial details, the cycle is long.
And ceric oxide nanorod preparation method of the present invention is simply controlled, only need two kinds of raw materials, through a few procedures such as mixing, constant temperature preservation, drying, calcinings, within the time being no more than 30 hours, can complete preparation, preparation cycle is short, reproducible.
2. the ceric oxide nanorod prepared by the present invention has good application in environmental catalysis material, for the research and development of nano-functional material are had laid a good foundation.
Specifically, nanometer rod cerium dioxide of the present invention is used as catalyzer, at 50000h
-1air speed, NH
3500ppm, O
2under the simulated conditions of 3%, the temperature range of 250-500 DEG C, there is good NH
3oxidation activity (more than 98%, the nanometer rod cerium dioxide apparently higher than adopting other modes to prepare).
Accompanying drawing explanation
Fig. 1 is for adopting the SEM figure of the ceric oxide nanorod prepared by the method in the embodiment of the present invention one.
The ceric oxide nanorod of Fig. 2 prepared by the method in the employing embodiment of the present invention one and the XRD figure of conventional irregular pattern cerium dioxide.
Fig. 3 is for adopting the ceric oxide nanorod prepared by the embodiment of the present invention one as catalyzer and adopting conventional irregular pattern cerium dioxide as catalyzer to NH
3carry out the oxidation ratio graphic representation be oxidized.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.
Embodiment one
In the present embodiment, the preparation method adopted is as follows:
Added by 1.0g cerous nitrate in 10ml tetraethyl ammonium hydroxide (20wt%), 0.5h is stirred in hydrolysis, forms brown mixture, then brown mixture is joined in hydrothermal reaction kettle.Reactor is put in baking oven, 80 DEG C of constant temperature 12h.Then, by obtained mixing solutions deionized water wash four times, be put in vacuum drying oven, dry 12 hours for 100 DEG C, then at 300 DEG C of calcining 0.5h, obtain ceric oxide nanorod.
Be illustrated in figure 1 the SEM figure of the cerium dioxide prepared by the present embodiment, it presents good nano bar-shape structure.
Be illustrated in figure 2 the XRD figure of ceric oxide nanorod prepared by the present embodiment and irregular cerium dioxide, as can be seen from the figure the two all presents cubic fluorite structure C eO
2(PDF-ICDD34-0394).
As shown in Figure 3, give adopt nanometer rod cerium dioxide prepared in the present embodiment as catalyzer with adopt irregular ceria catalyst at NH
3nH in catalytic oxidation process
3oxidation ratio.As can be seen from the figure, at 350-500 DEG C, nanometer rod cerium dioxide and irregular ceria catalyst all have very high ammonia oxidation efficiency.But below 350 DEG C of temperature, this catalytic activity of two kinds has very big difference, the catalytic activity of nanometer rod cerium dioxide is far away higher than the catalytic activity of irregular cerium dioxide.
Embodiment two
In the present embodiment, the preparation method adopted is as follows:
Added by 1.5g cerous nitrate in 12ml tetraethyl ammonium hydroxide (25wt%), 0.5h is stirred in hydrolysis, forms brown mixture, then brown mixture is joined in hydrothermal reaction kettle.Reactor is put in baking oven, 75 DEG C of constant temperature 12h.Then, by obtained mixing solutions deionized water wash four times, be put in vacuum drying oven, dry 14 hours for 100 DEG C, then at 320 DEG C of calcining 0.6h, also can obtain ceric oxide nanorod.
Embodiment three
In the present embodiment, the preparation method adopted is as follows:
Added by 0.8g cerous nitrate in 10ml tetraethyl ammonium hydroxide (18wt%), 0.5h is stirred in hydrolysis, forms brown mixture, then brown mixture is joined in hydrothermal reaction kettle.Reactor is put in baking oven, 85 DEG C of constant temperature 12h.Then, by obtained mixing solutions deionized water wash four times, be put in vacuum drying oven, dry 10 hours for 100 DEG C, then at 280 DEG C of calcining 0.5h, also can obtain ceric oxide nanorod.
The present invention contrasts ceric oxide nanorod prepared in three embodiments above, although find that embodiment two, three also can obtain ceric oxide nanorod, the rule structurally not as obtaining in embodiment one.
Although be described in detail principle of the present invention in conjunction with the preferred embodiments of the present invention, it should be appreciated by those skilled in the art that above-described embodiment is only the explanation to exemplary implementation of the present invention above, not the present invention is comprised to the restriction of scope.Details in embodiment does not form limitation of the scope of the invention; when not deviating from the spirit and scope of the present invention; the apparent changes such as any equivalent transformation based on technical solution of the present invention, simple replacement, all drop within scope.
Claims (10)
1. a preparation method for ceric oxide nanorod, is characterized in that, described method comprises:
Step (1): get the cerous nitrate of the first predetermined amount and the tetraethyl ammonium hydroxide of the second predetermined amount respectively;
Step (2): got cerous nitrate is joined in tetraethyl ammonium hydroxide, hydrolysis is stirred, and obtains brown mixture;
Step (3): obtained brown mixture is joined in hydrothermal reaction kettle, constant temperature preserves the first predetermined amount of time at a predetermined temperature;
Step (4): the mixture deionized water wash several times after being preserved by constant temperature, carries out vacuum-drying, dry second predetermined amount of time;
Step (5): calcine desciccate, calcining the 3rd predetermined amount of time, obtains ceric oxide nanorod.
2. the preparation method of ceric oxide nanorod according to claim 1, is characterized in that,
The cerous nitrate adopted and the proportionlity of tetraethyl ammonium hydroxide are weight ratio is 1:1.2 to 1:2.5, and optimum proportion is 1:2.
3. the preparation method of ceric oxide nanorod according to claim 1, is characterized in that, the tetraethyl ammonium hydroxide adopted is the tetraethyl ammonium hydroxide solution of 20wt%.
4. the preparation method of ceric oxide nanorod according to claim 1, is characterized in that, in described step (3), the constant temperature storage temperature adopted is 70-90 DEG C, and the constant temperature shelf time is 8-16 hour.
5. the preparation method of ceric oxide nanorod according to claim 4, is characterized in that, in described step (3), the constant temperature storage temperature adopted is 80 DEG C, and the constant temperature shelf time is 12 hours.
6. the preparation method of ceric oxide nanorod according to claim 1, is characterized in that, in described step (4), the vacuum drying time is 12 hours.
7. the preparation method of ceric oxide nanorod according to claim 1, is characterized in that, in described step (5), calcining the temperature adopted is 260-320 DEG C, and calcination time is 0.3-0.8 hour.
8. the preparation method of ceric oxide nanorod according to claim 7, is characterized in that, in described step (5), calcining the temperature adopted is 300 DEG C, and calcination time is 0.5 hour.
9. a ceric oxide nanorod, is characterized in that, described ceric oxide nanorod adopts the described method of one of claim 1-8 to prepare.
10. an application for ceric oxide nanorod according to claim 9, is characterized in that, described ceric oxide nanorod be used for ammonia catalytic, the operational condition adopted is: temperature 150-500 DEG C, normal pressure, reaction velocity 50000h
-1, gas concentration is 500ppmNH
3, 3%O
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510970764.8A CN105502468B (en) | 2015-12-22 | 2015-12-22 | A kind of ceric oxide nanorod and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510970764.8A CN105502468B (en) | 2015-12-22 | 2015-12-22 | A kind of ceric oxide nanorod and its preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105502468A true CN105502468A (en) | 2016-04-20 |
| CN105502468B CN105502468B (en) | 2017-06-16 |
Family
ID=55710854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510970764.8A Active CN105502468B (en) | 2015-12-22 | 2015-12-22 | A kind of ceric oxide nanorod and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105502468B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006702A (en) * | 2016-05-20 | 2016-10-12 | 济南大学 | Bead-chain type CeO2 nanometer material and preparation method thereof |
| CN107243339A (en) * | 2017-06-22 | 2017-10-13 | 南昌航空大学 | A kind of preparation method of ceric oxide nanorod photochemical catalyst |
| CN111454126A (en) * | 2020-05-20 | 2020-07-28 | 浙江师范大学 | Nano rod-like CeO2Application of nanocrystalline catalyst in gas-solid phase crotonaldehyde selective hydrogenation catalytic reaction |
| CN111592029A (en) * | 2020-05-29 | 2020-08-28 | 淮阴师范学院 | Preparation method of rod-shaped silver-plated cerium dioxide |
| CN115124064A (en) * | 2022-06-15 | 2022-09-30 | 厦门稀土材料研究所 | Cerium dioxide nano material and preparation method and application thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1840480A (en) * | 2005-03-29 | 2006-10-04 | 中国科学院大连化学物理研究所 | Cerium oxide nano materials and its preparation and use |
| CN101407330A (en) * | 2008-10-30 | 2009-04-15 | 上海大学 | Method of preparing cerium oxide nano-rod |
| CN101554587A (en) * | 2008-04-11 | 2009-10-14 | 中国科学院生态环境研究中心 | Low-temperature ammonia selective oxidation catalyst |
| KR20100088311A (en) * | 2009-01-30 | 2010-08-09 | 주식회사 엘지화학 | Method for preparing cerium oxide nano powder |
| CN102050479A (en) * | 2011-01-27 | 2011-05-11 | 山东交通学院 | Ceric oxide nanorod and preparation method thereof |
| CN102674431A (en) * | 2012-05-08 | 2012-09-19 | 南京大学 | Method for controllably synthesizing CeO2 nanobelt, CeO2 nanorod and CeO2 nanowire through promotion of formaldehyde |
| CN103399339A (en) * | 2013-08-05 | 2013-11-20 | 李莹滢 | Detection method for low-dose nuclear radiation |
| CN104069737A (en) * | 2013-05-21 | 2014-10-01 | 中国科学院成都有机化学有限公司 | Recycling and purifying method of ammonia-containing industrial waste gas |
-
2015
- 2015-12-22 CN CN201510970764.8A patent/CN105502468B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1840480A (en) * | 2005-03-29 | 2006-10-04 | 中国科学院大连化学物理研究所 | Cerium oxide nano materials and its preparation and use |
| CN101554587A (en) * | 2008-04-11 | 2009-10-14 | 中国科学院生态环境研究中心 | Low-temperature ammonia selective oxidation catalyst |
| CN101407330A (en) * | 2008-10-30 | 2009-04-15 | 上海大学 | Method of preparing cerium oxide nano-rod |
| KR20100088311A (en) * | 2009-01-30 | 2010-08-09 | 주식회사 엘지화학 | Method for preparing cerium oxide nano powder |
| CN102050479A (en) * | 2011-01-27 | 2011-05-11 | 山东交通学院 | Ceric oxide nanorod and preparation method thereof |
| CN102674431A (en) * | 2012-05-08 | 2012-09-19 | 南京大学 | Method for controllably synthesizing CeO2 nanobelt, CeO2 nanorod and CeO2 nanowire through promotion of formaldehyde |
| CN104069737A (en) * | 2013-05-21 | 2014-10-01 | 中国科学院成都有机化学有限公司 | Recycling and purifying method of ammonia-containing industrial waste gas |
| CN103399339A (en) * | 2013-08-05 | 2013-11-20 | 李莹滢 | Detection method for low-dose nuclear radiation |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006702A (en) * | 2016-05-20 | 2016-10-12 | 济南大学 | Bead-chain type CeO2 nanometer material and preparation method thereof |
| CN107243339A (en) * | 2017-06-22 | 2017-10-13 | 南昌航空大学 | A kind of preparation method of ceric oxide nanorod photochemical catalyst |
| CN111454126A (en) * | 2020-05-20 | 2020-07-28 | 浙江师范大学 | Nano rod-like CeO2Application of nanocrystalline catalyst in gas-solid phase crotonaldehyde selective hydrogenation catalytic reaction |
| CN111454126B (en) * | 2020-05-20 | 2023-06-02 | 浙江师范大学 | Nano rod-like CeO 2 Application of nanocrystalline catalyst in gas-solid phase crotonaldehyde selective hydrogenation catalytic reaction |
| CN111592029A (en) * | 2020-05-29 | 2020-08-28 | 淮阴师范学院 | Preparation method of rod-shaped silver-plated cerium dioxide |
| CN115124064A (en) * | 2022-06-15 | 2022-09-30 | 厦门稀土材料研究所 | Cerium dioxide nano material and preparation method and application thereof |
| CN115124064B (en) * | 2022-06-15 | 2023-08-29 | 厦门稀土材料研究所 | Cerium dioxide nano material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105502468B (en) | 2017-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105502468A (en) | Ceric oxide nanorod and preparation method and application thereof | |
| Deng et al. | Strontium-doped lanthanum cobaltite and manganite: highly active catalysts for toluene complete oxidation | |
| CN101596457B (en) | Nanometer titanium dioxide photocatalyst co-doped with boron and other elements and preparation method thereof | |
| Guo et al. | Incorporation of Zr into calcium oxide for CO2 capture by a simple and facile sol–gel method | |
| CN108097238B (en) | Preparation method of Mn-Ce-Ti-O composite metal oxide catalyst | |
| CN101352680A (en) | TiO2 supported manganese-cerium composite oxide catalyst and preparation method thereof | |
| CN103908959B (en) | Ce-Zr composite alumina oxide material and preparation method thereof | |
| CN103934011B (en) | A kind of biomimetic synthesis method of high-activity nano bismuth phosphate photocatalyst | |
| CN103896341B (en) | A kind of α-MnO of three-dimensional structure 2preparation method and catalytic applications | |
| CN106902814A (en) | One kind catalysis burning order mesoporous integral catalyzer of rare earth base and preparation method thereof | |
| CN103041800B (en) | Preparation method of WO3/ZrO2 solid super acidic catalyst | |
| CN105772016B (en) | nickel-base catalyst and preparation method thereof | |
| CN103539193B (en) | Preparation method of cerium-praseodymium composite oxide nanoparticle and nanorod | |
| CN103910386B (en) | A kind of preparation method and application of Manganse Dioxide of hollow structure | |
| CN110787822A (en) | Cobaltosic oxide catalyst, preparation method and application thereof | |
| CN109772465A (en) | A kind of preparation method of water solubility carbon dots modified perovskite type catalysis material | |
| CN105214669B (en) | A kind of efficient attapulgite clay base catalyst and preparation method thereof | |
| CN106745170A (en) | A kind of cobalt doped cerium oxide nano materials of laminated structure and its preparation and application | |
| CN105817229B (en) | A kind of support type cobaltosic oxide catalyst of Modified by Rare Earth Elements and preparation method thereof | |
| CN108545777A (en) | A kind of molybdenum disulfide/indium oxide quaternary gas sensitive and preparation method thereof of antimony-cerium modification | |
| CN109701547A (en) | A kind of high methyl hydride catalyzed active manganese cerium catalyst preparation method and product | |
| CN102126949B (en) | Method for synthesizing methyl acrylate | |
| CN104923221A (en) | Silicon-based composite metal oxide and preparation method thereof | |
| CN105709753B (en) | A kind of integral extruding type catalyst and its preparation method and application | |
| CN109569668A (en) | The preparation method and application of Mo-V-Te-Nb-O catalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |