CN103466701A - Method for preparing bismuth trioxide nanowires by using solid-phase chemical reaction - Google Patents
Method for preparing bismuth trioxide nanowires by using solid-phase chemical reaction Download PDFInfo
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- CN103466701A CN103466701A CN2013104440561A CN201310444056A CN103466701A CN 103466701 A CN103466701 A CN 103466701A CN 2013104440561 A CN2013104440561 A CN 2013104440561A CN 201310444056 A CN201310444056 A CN 201310444056A CN 103466701 A CN103466701 A CN 103466701A
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Abstract
The invention aims at providing a method for preparing bismuth trioxide nanowires. In the method, by employing cheap raw materials and a simple operation method, the bismuth trioxide nanowires are prepared by a solid-phase chemical reaction. Bismuth nitrate and oxalic acid or an oxalate are taken as reactants and are grinded at room temperature for synthesis of a precursor, and the precursor is subjected to thermolysis for preparation of the bismuth trioxide nanowires. According to the method of the invention, based on the solid-phase chemical reaction, the bismuth trioxide nanometer material can be prepared by employing the cheap raw materials and performing simple grinding and proper heat treatment. The method of the invention has the characteristics of being simple, high in product yield, environment friendly, easily available in batch production, and the like, and thus the method has extremely wide application prospect.
Description
Technical field
The present invention relates to a kind of method for preparing the bismuthous oxide bismuth trioxide nano wire by solid state reaction.
Background technology
Bismuthous oxide bismuth trioxide is yellow solid.Be a kind of important functional materials, mainly exist with α, β, γ and tetra-kinds of crystal formations of δ.They have different crystalline structure, and temperature is during lower than 710 ℃, the α-Bi of monocline
2o
3crystal is more stable, and the δ-Bi of cubic structure during higher than this temperature
2o
3stable, and remain to 824 ℃ of fusing points always.These two kinds of stable forms that phase is bismuth oxide.δ-Bi
2o
3structure and fluorite are similar, and oxygen vacancy wherein is irregular distribution.Because oxonium ion wherein has very high mobility, this phase shows very high ionic conductivity.There is the β-Bi of Tetragonal in the time of 650 ℃
2o
3.It is believed that it has and δ-Bi
2o
3identical oxygen vacancy is arranged.In the time of 639 ℃, can obtain having the γ-Bi of body-centered cubic symmetrical structure
2o
3.
Bismuthous oxide bismuth trioxide has higher specific refractory power and specific inductivity, and the characteristic shown is being arranged aspect optical conductor and photoluminescence.The crystal formation difference, application is different.The application of bismuth oxide is very extensive, it is not only the fuel of good organic catalyst compound, ceramic colorant, fire-retardant for plastic, medicinal astringent matter, glass additive, high dioptric glass and nuclear engineering glass manufacture and nuclear reactor, and is that in electron trade, a kind of important adulterated powder material can show and improves material property.Also can be used for bismuth compound processed.Nano bismuth oxide is except the character and purposes of bismuth oxide powder with general granularity, because granularity is thinner, can be used for granularity is had the occasion of particular requirement, as mineral dye, optical material, electronic material, superconducting material, specific function stupalith, cathode tube inner-wall paint etc.
At present, the synthetic method of industry bismuthous oxide bismuth trioxide mainly contains thermal decomposition method, the neutralization precipitation method, the method that successfully synthesizes at present the nano level bismuthous oxide bismuth trioxide mainly contains micro emulsion method, hydrothermal synthesis method, sol-gel method, electrochemical oxidation process etc., these method building-up process complexity, cost is high, the material poor heat stability.Therefore, select a kind of simple preparation method, prepare bismuthous oxide bismuth trioxide nano material tool and be of great significance.The solid state chemistry synthesis method is not used solvent, has highly selective, high yield, simple technological process and other advantages, has become a kind of important method of nano materials.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of bismuthous oxide bismuth trioxide nano wire, the method, by using cheap raw material, adopts the simple operation method, through solid state reaction, can synthesize the bismuthous oxide bismuth trioxide nano wire.
The present invention uses Bismuth trinitrate and oxalic acid or oxalate as reactant, at room temperature by grinding, synthesize presoma, and then thermolysis makes the bismuthous oxide bismuth trioxide nano wire.
Ammonium salt of the present invention is ammonium oxalate, one or more of sodium oxalate.
Compared with prior art, the present invention has the following advantages: take solid state reaction as basis, adopt raw material cheap and easy to get, by simple grinding, then pass through suitable thermal treatment, can make the bismuthous oxide bismuth trioxide nano wire.The preparation method is simple, and product yield is high, and environmental friendliness is easy to realize that the characteristics such as production in enormous quantities all make the present invention have very wide application prospect.
The accompanying drawing explanation
The powder diagram that Fig. 1 is prepared sample.
The projection Electronic Speculum figure that Fig. 2 is prepared bismuthous oxide bismuth trioxide.
Embodiment
Below in conjunction with specific embodiment, the present invention is further elaborated.These embodiment are interpreted as only for the present invention is described, is not used in and limits the scope of the invention.After the content of having read the present invention's record, the various changes of the present invention being made based on principle of the present invention or modification fall into the claims in the present invention book limited range equally.
Embodiment mono-:
Accurately weighing 0.01 mol Bismuth trinitrate and 0.02 mol oxalic acid is in different mortars, and porphyrize mixing, grind after mixing fast respectively, and along with the carrying out of grinding, mixture becomes white pasty state, continues to grind 30 min and guarantees fully carrying out of reaction.Presoma is placed in to retort furnace, with the temperature rise rate of 10 ℃/min, rises to 300 ℃, at this temperature calcining 30min, the gained sample, through deionized water wash, can obtain the bismuthous oxide bismuth trioxide nano wire after drying at room temperature.
Embodiment bis-:
Accurately weighing 0.01 mol Bismuth trinitrate and 0.03 mol sodium oxalate be in different mortars, and porphyrize mixing, grind after mixing fast respectively, and along with the carrying out of grinding, mixture becomes white pasty state, continues to grind 30 min and guarantees fully carrying out of reaction.Presoma is placed in to retort furnace, with the temperature rise rate of 8 ℃/min, rises to 300 ℃, at this temperature calcining 30min, the gained sample, through deionized water wash, can obtain the bismuthous oxide bismuth trioxide nano wire after drying at room temperature.
Embodiment tri-:
Accurately weighing 0.01 mol Bismuth trinitrate and 0.02 mol ammonium oxalate be in different mortars, and porphyrize mixing, grind after mixing fast respectively, and along with the carrying out of grinding, mixture becomes white pasty state, continues to grind 30 min and guarantees fully carrying out of reaction.Presoma is placed in to retort furnace, with the temperature rise rate of 10 ℃/min, rises to 300 ℃, at this temperature calcining 30min, the gained sample, through deionized water wash, can obtain the bismuthous oxide bismuth trioxide nano wire after drying at room temperature.
Claims (3)
1. a solid state reaction prepares the method for bismuthous oxide bismuth trioxide nano wire, it comprises the following steps: Bismuth trinitrate is mixed with oxalic acid or oxalate, carry out griding reaction and obtain presoma, presoma after heat treatment, obtains final bismuthous oxide bismuth trioxide nano wire through washing drying.
2. prepare the method for bismuthous oxide bismuth trioxide nano wire according to the described a kind of solid state reaction of claim 1, it is characterized in that: the ratio of Bismuth trinitrate and oxalic acid or oxalate is 1:2 ~ 3; The time of griding reaction is 20 ~ 60 minutes; Presoma in air atmosphere with 5 ~ 10 ℃ of min of per minute
-1speed rises to 300 ℃, heat-treats 30 minutes.
3. prepare the method for bismuthous oxide bismuth trioxide nano wire according to the described a kind of solid state reaction of claim 1, it is characterized in that: the oxalate used is sodium oxalate, one or more of ammonium oxalate.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107552038A (en) * | 2017-09-05 | 2018-01-09 | 云南大学 | The preparation method and purposes of a kind of nanometer of wire bismuth oxide |
CN107973343A (en) * | 2018-01-18 | 2018-05-01 | 蚌埠学院 | A kind of method that room temperature solid-state reaction prepares nanometer bismuth oxide |
CN108046319A (en) * | 2018-01-18 | 2018-05-18 | 蚌埠学院 | A kind of method that solid state chemical reaction prepares bismuth titanates nano composite oxide |
CN108187684A (en) * | 2018-01-18 | 2018-06-22 | 蚌埠学院 | A kind of method of mechanical ball mill heat treatment two-step method synthesis bismuth oxide-cuprous nano compound |
CN108212186A (en) * | 2018-01-18 | 2018-06-29 | 蚌埠学院 | A kind of method that room temperature solid-state reaction prepares bismuth oxide-bismuthyl carbonate nano-complex |
CN108262035A (en) * | 2018-01-18 | 2018-07-10 | 蚌埠学院 | A kind of method of mechanical ball mill heat treatment two-step method synthesis bismuth oxide-cerium dioxide nano compound |
CN108383159A (en) * | 2018-04-11 | 2018-08-10 | 湘潭大学 | A kind of Bi2O3The preparation method and applications of nanometer sheet material |
CN111634944A (en) * | 2020-05-08 | 2020-09-08 | 深圳氢时代新能源科技有限公司 | Preparation method of doped bismuth oxide particles, doped bismuth oxide composite material and preparation method thereof |
CN112144028A (en) * | 2020-08-17 | 2020-12-29 | 广东省测试分析研究所(中国广州分析测试中心) | Method for preparing bismuth oxide nanowire film by inverted heating |
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CN1212261A (en) * | 1998-04-08 | 1999-03-31 | 新疆大学 | Method for preparing nano material by solid phase chemical reaction |
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Cited By (14)
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CN107552038A (en) * | 2017-09-05 | 2018-01-09 | 云南大学 | The preparation method and purposes of a kind of nanometer of wire bismuth oxide |
CN108187684B (en) * | 2018-01-18 | 2020-02-21 | 蚌埠学院 | Method for synthesizing bismuth trioxide-cuprous oxide nano compound by mechanical ball milling heat treatment two-step method |
CN108046319A (en) * | 2018-01-18 | 2018-05-18 | 蚌埠学院 | A kind of method that solid state chemical reaction prepares bismuth titanates nano composite oxide |
CN108187684A (en) * | 2018-01-18 | 2018-06-22 | 蚌埠学院 | A kind of method of mechanical ball mill heat treatment two-step method synthesis bismuth oxide-cuprous nano compound |
CN108212186A (en) * | 2018-01-18 | 2018-06-29 | 蚌埠学院 | A kind of method that room temperature solid-state reaction prepares bismuth oxide-bismuthyl carbonate nano-complex |
CN108262035A (en) * | 2018-01-18 | 2018-07-10 | 蚌埠学院 | A kind of method of mechanical ball mill heat treatment two-step method synthesis bismuth oxide-cerium dioxide nano compound |
CN108212186B (en) * | 2018-01-18 | 2019-08-06 | 蚌埠学院 | A kind of room temperature solid-state reaction prepares bismuth oxide-bismuthyl carbonate nano-complex method |
CN108046319B (en) * | 2018-01-18 | 2020-02-21 | 蚌埠学院 | Method for preparing bismuth titanate nano composite oxide through room-temperature solid-phase reaction |
CN107973343A (en) * | 2018-01-18 | 2018-05-01 | 蚌埠学院 | A kind of method that room temperature solid-state reaction prepares nanometer bismuth oxide |
CN108383159A (en) * | 2018-04-11 | 2018-08-10 | 湘潭大学 | A kind of Bi2O3The preparation method and applications of nanometer sheet material |
CN108383159B (en) * | 2018-04-11 | 2020-04-07 | 湘潭大学 | Bi2O3Preparation method and application of nanosheet material |
CN111634944A (en) * | 2020-05-08 | 2020-09-08 | 深圳氢时代新能源科技有限公司 | Preparation method of doped bismuth oxide particles, doped bismuth oxide composite material and preparation method thereof |
CN112144028A (en) * | 2020-08-17 | 2020-12-29 | 广东省测试分析研究所(中国广州分析测试中心) | Method for preparing bismuth oxide nanowire film by inverted heating |
CN112144028B (en) * | 2020-08-17 | 2021-07-06 | 广东省测试分析研究所(中国广州分析测试中心) | Method for preparing bismuth oxide nanowire film by inverted heating |
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