CN113860367A - Praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheet and synthetic method thereof - Google Patents
Praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheet and synthetic method thereof Download PDFInfo
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Abstract
The invention discloses a praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheet and a synthesis method thereof, and belongs to the technical field of nano materials. The composite nano sheet consists of hexagonal Pr2O3Bi of tetragonal form2O3And rhombus Bi1.35Pr0.65O3The nano-sheet is composed of a crystal phase, the thickness of the nano-sheet is 20-100 nm, and the size of the nano-sheet is 250 nm-2 mu m. The synthesis method comprises the steps of sequentially adding water, praseodymium nitrate, sodium bismuthate and hexadecyl trimethyl ammonium bromide into a quartz glass flask, then putting the quartz glass flask into a water bath kettle, keeping the temperature at 100 ℃ for 12-24h, and introducing water for evaporation in the heating processRefluxing the mixture into the flask through a reflux device, and cooling the mixture to obtain a liquid precursor; the liquid precursor is put into a reaction container for sealing, and the temperature is kept at 200-250 ℃ for 24-48 h. The synthetic process is simple, does not need complex equipment and is easy to control; the prepared composite nanosheet is used as an electrode material, and has good application potential in the field of electrochemical sensing devices.
Description
Technical Field
The invention belongs to the technical field of nano materials, and particularly relates to a praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheet and a synthetic method thereof.
Background
The praseodymium-containing and bismuth-containing nano composite is an important rare metal material, and has a good application prospect in the fields of electrochemical sensors, catalysis, lithium ion batteries, supercapacitors and the like due to the large active surface area, good electron transport performance, interface performance and catalytic characteristic. Praseodymium oxide, bismuth praseodymium oxide and bismuth oxide have attracted research interest as important rare metal materials.
The invention patent of China 'method for preparing porous flaky large-particle praseodymium oxide' (the patent number of the invention of China: ZL201210382926.2) reports that ammonium bicarbonate, ammonia water, praseodymium nitrate and hydrogen peroxide are used as raw materials, and after aging is carried out for 24-48 hours, heat preservation is carried out for 4 hours at 900-1200 ℃, so that the porous flaky praseodymium oxide with the particle size of 20-35 mu m is prepared. The invention patent of China (national invention patent: ZL201410024527.8) reports that neodymium praseodymium chloride and ammonium bicarbonate are used as raw materials, aged for 10-15 hours and calcined to prepare neodymium praseodymium oxide with the particle size of 30-40 mu m. Praseodymium nitrate, cerium nitrate and aluminum oxide are used as raw materials, and the temperature is kept at 500 ℃ for 2 hours to prepare the praseodymium oxide/cerium oxide/aluminum oxide composite catalyst (Q.J.jin, Y.S.Shen, S.M.Zhu.praseodynium oxide modified CeO2/Al2O3catalyst for selective catalytic reduction of NO by NH3Chinese Journal of Chemistry 34(2016)1283-1290.) this composite catalyst is effective in catalyzing the reduction of NO. The praseodymium oxide is compounded with the praseodymium bismuth oxide and the bismuth praseodymate to form the praseodymium oxide/praseodymium bismuth oxide/bismuth oxide composite nano material, so that the catalytic active sites in the material can be increased, the material can be used as an electrode material to measure biomolecules in a solution, and the material has a good application prospect in the aspect of electrochemical sensors.
Disclosure of Invention
The invention aims to provide a praseodymium oxide/bismuth praseodylate composite nano sheet.
The praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheet is formed by hexagonal Pr2O3Bi of tetragonal form2O3And rhombus Bi1.35Pr0.65O3Crystal phase composition; the thickness of the composite nano sheet is 20-100 nm, and the size of the whole nano sheet is 250 nm-2 mu m.
The invention also provides a preparation method of the praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheet, which comprises the following specific steps:
(1) sequentially adding water, praseodymium nitrate, sodium bismuthate and hexadecyl trimethyl ammonium bromide into a quartz glass flask, putting the flask into a water bath kettle, preserving the temperature for 12-24h at the temperature of 100 ℃, refluxing the water evaporated in the heating process into the flask through a reflux device, and cooling to obtain a liquid precursor.
(2) And (3) putting the liquid precursor into a reaction container, sealing the reaction container, keeping the temperature at 250 ℃ for 24-48h, cooling, centrifuging, and washing with ethanol to obtain the praseodymium oxide/bismuth praseodylate composite nano-sheet.
The molar ratio of the praseodymium nitrate to the sodium bismuthate is 1: 1; the weight of the hexadecyl trimethyl ammonium bromide accounts for 3-6% of the weight of the water; the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 2-4% of the weight of the water; the total amount of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 70-90% of the filling degree of the reaction container (flask).
As an optimization, the weight of the hexadecyl trimethyl ammonium bromide accounts for 3 percent of the weight of the water; the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 2 percent of the weight of the water; the total amount of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 70 percent of the filling degree of the reaction container.
The scientific principle of the invention is as follows:
the method adopts the two-step synthesis process, firstly, through a water bath process, praseodymium nitrate and sodium bismuthate are slowly decomposed in an aqueous solution to form a uniform liquid precursor, praseodymium nitrate and sodium bismuthate are continuously decomposed in the aqueous solution to generate praseodymium oxide, bismuth oxide and other substances in a sealed container at a certain temperature and under a certain pressure, part of praseodymium oxide and bismuth oxide react to generate praseodymium bismuth oxide, the praseodymium bismuth oxide and the bismuth oxide reach supersaturation in water to be separated out to form crystal nuclei, hexadecyl trimethyl ammonium bromide is adsorbed on the surfaces of the crystal nuclei, and the formation of the praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nano-sheets is promoted.
Compared with the prior art, the invention has the following technical effects:
1. the synthesis process is simple, complex equipment is not needed, the control is easy, the obtained praseodymium oxide/bismuth oxide/praseodymium bismuth acid composite nano-sheet is low in cost, and conditions are provided for the practical application of the praseodymium oxide/bismuth oxide/praseodymium bismuth acid composite nano-sheet.
2. The invention has easily obtained raw materials, adopts nontoxic praseodymium nitrate, sodium bismuthate, hexadecyl trimethyl ammonium bromide and water, and has no pollution to the environment in the raw materials and the synthesis process.
3. The praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheet has a large number of catalytic active sites, can be used as an electrode material, can be used for highly sensitively measuring biomolecules such as cysteine and has good application potential in the field of electrochemical sensing devices.
Drawings
FIG. 1 is an X-ray diffraction (XRD) pattern of a praseodymium oxide/bismuth praseodymium carboxylate composite nanosheet synthesized in example 1;
according to the JCPDS PDF card, the obtained praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nano sheet can be searched out from hexagonal Pr2O3(JCPDS card number: 47-1111) and tetragonal Bi2O3(JCPDS card number: 24-0050) and rhombic Bi1.35Pr0.65O3(JCPDS card number: 41-0305) crystal phase.
Fig. 2 is Scanning Electron Microscope (SEM) images of low magnification (fig. 2(a)) and high magnification (fig. 2(b)) of the praseodymium oxide/bismuth praseodymium carboxylate composite nanosheets synthesized in example 1;
the product is formed by praseodymium oxide/bismuth oxide/praseodymium bismuth composite nanosheets, the thickness of the nanosheets is 20-100 nm, and the size of the whole nanosheets is 250 nm-2 microns.
Fig. 3 is a Transmission Electron Microscope (TEM) image (fig. 3(a)) and a high-resolution TEM (hrtem) image (fig. 3(b)) of the praseodymium oxide/bismuth praseodylate composite nanosheets synthesized in example 1;
the figure shows that the product is composed of praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheets, the nanosheets are of polycrystalline structures, the interplanar distances are 0.33nm, 0.55nm and 0.46nm, and the interplanar distances respectively correspond to hexagonal Pr2O3{100} crystal face of crystal phase, tetragonal Bi2O3{110} crystal face of crystal phase and orthorhombic Bi1.35Pr0.65O3Interplanar spacing of the {006} crystallographic plane of the crystalline phase.
Fig. 4 is an electrochemical Cyclic Voltammetry (CV) curve of praseodymium oxide/bismuth oxide/praseodymium bismuth compound nanosheets synthesized in example 1 as a glassy carbon electrode modification material in cysteine and 0.1M potassium chloride buffer solutions of different concentrations, and an inset in the upper left corner is a CV peak current-cysteine concentration relationship curve;
and calculating the detection limit of the cysteine in the glassy carbon electrode modified by the praseodymium oxide/bismuth oxide/praseodymium bismuth composite nanosheet to be 0.28 mu M according to the signal-to-noise ratio of 3(S/N is 3), wherein the linear detection range is 0.001-2 mM.
Detailed Description
The present invention will be described in detail with reference to specific examples, but the present invention is not limited to the examples.
Example 1
(1) Sequentially adding water, praseodymium nitrate, sodium bismuthate and hexadecyl trimethyl ammonium bromide into a quartz glass flask, wherein the molar ratio of the praseodymium nitrate to the sodium bismuthate is 1:1, the weight of the hexadecyl trimethyl ammonium bromide accounts for 3% of the weight of the water, the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 2% of the weight of the water, the total filling degree of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 70% of the flask, placing the flask into a water bath, keeping the temperature at 100 ℃ for 12h, refluxing water evaporated in the heating process into the flask through a reflux device, and cooling to obtain a praseodymium oxide/bismuth praseodymium bismuth oxide acid bismuth liquid precursor;
(2) and (3) putting the liquid precursor into a reaction container, sealing the reaction container, keeping the temperature at 200 ℃ for 24 hours, cooling, centrifuging, and washing with ethanol to obtain the praseodymium oxide/bismuth praseodylate composite nanosheet.
Example 2
(1) Sequentially adding water, praseodymium nitrate, sodium bismuthate and hexadecyl trimethyl ammonium bromide into a quartz glass flask, wherein the molar ratio of the praseodymium nitrate to the sodium bismuthate is 1:1, the weight of the hexadecyl trimethyl ammonium bromide accounts for 6% of the weight of the water, the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 4% of the weight of the water, the total filling degree of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 90% of the flask, placing the flask into a water bath, keeping the temperature for 24 hours at 100 ℃, refluxing water evaporated in the heating process into the flask through a reflux device, and cooling to obtain a praseodymium oxide/bismuth praseodymium bismuth oxide/bismuth silicate liquid precursor;
(2) and (3) putting the liquid precursor into a reaction container, sealing the reaction container, keeping the temperature at 250 ℃ for 48 hours, cooling, centrifuging, and washing with ethanol to obtain the praseodymium oxide/bismuth praseodylate composite nanosheet.
Example 3
(1) Sequentially adding water, praseodymium nitrate, sodium bismuthate and hexadecyl trimethyl ammonium bromide into a quartz glass flask, wherein the molar ratio of the praseodymium nitrate to the sodium bismuthate is 1:1, the weight of the hexadecyl trimethyl ammonium bromide accounts for 4% of the weight of the water, the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 2.3% of the weight of the water, the total weight of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 75% of the filling degree of the flask, putting the flask into a water bath kettle, keeping the temperature at 100 ℃ for 14h, refluxing water evaporated in the heating process into the flask through a reflux device, and cooling to obtain a praseodymium oxide/bismuth oxide/praseodymium silicate liquid precursor;
(2) and (3) putting the liquid precursor into a reaction container, sealing the reaction container, keeping the temperature at 210 ℃ for 28h, cooling, centrifuging, and washing with ethanol to obtain the praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheet.
Example 4
(1) Sequentially adding water, praseodymium nitrate, sodium bismuthate and hexadecyl trimethyl ammonium bromide into a quartz glass flask, wherein the molar ratio of the praseodymium nitrate to the sodium bismuthate is 1:1, the weight of the hexadecyl trimethyl ammonium bromide accounts for 5% of the weight of the water, the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 2.6% of the weight of the water, the total weight of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 80% of the filling degree of the flask, putting the flask into a water bath kettle, keeping the temperature at 100 ℃ for 18h, refluxing water evaporated in the heating process into the flask through a reflux device, and cooling to obtain a praseodymium oxide/bismuth oxide/praseodymium silicate liquid precursor;
(2) and (3) putting the liquid precursor into a reaction container, sealing the reaction container, keeping the temperature at 220 ℃ for 32 hours, cooling, centrifuging, and washing with ethanol to obtain the praseodymium oxide/bismuth praseodylate composite nanosheet.
Example 5
(1) Sequentially adding water, praseodymium nitrate, sodium bismuthate and hexadecyl trimethyl ammonium bromide into a quartz glass flask, wherein the molar ratio of the praseodymium nitrate to the sodium bismuthate is 1:1, the weight of the hexadecyl trimethyl ammonium bromide accounts for 5% of the weight of the water, the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 3% of the weight of the water, the total filling degree of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 83% of the flask, placing the flask into a water bath, keeping the temperature for 20 hours at 100 ℃, refluxing water evaporated in the heating process into the flask through a reflux device, and cooling to obtain a praseodymium oxide/bismuth praseodymium bismuth oxide/bismuth silicate liquid precursor;
(2) and (3) putting the liquid precursor into a reaction container, sealing the reaction container, keeping the temperature at 230 ℃ for 36 hours, cooling, centrifuging, and washing with ethanol to obtain the praseodymium oxide/bismuth oxide/praseodymium carbonate composite nanosheet.
Example 6
(1) Sequentially adding water, praseodymium nitrate, sodium bismuthate and hexadecyl trimethyl ammonium bromide into a quartz glass flask, wherein the molar ratio of the praseodymium nitrate to the sodium bismuthate is 1:1, the weight of the hexadecyl trimethyl ammonium bromide accounts for 3.5 percent of the weight of the water, the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 3.2 percent of the weight of the water, and the total weight of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 86 percent of the filling degree of the flask, putting the flask into a water bath, keeping the temperature at 100 ℃ for 22 hours, refluxing water evaporated in the heating process into the flask through a reflux device, and cooling to obtain a praseodymium oxide/bismuth oxide/praseodymium oxide/bismuth acid bismuth liquid precursor;
(2) and (3) putting the liquid precursor into a reaction container, sealing the reaction container, keeping the temperature at 240 ℃ for 40h, cooling, centrifuging, and washing with ethanol to obtain the praseodymium oxide/bismuth praseodylate composite nanosheet.
Example 7
(1) Sequentially adding water, praseodymium nitrate, sodium bismuthate and hexadecyl trimethyl ammonium bromide into a quartz glass flask, wherein the molar ratio of the praseodymium nitrate to the sodium bismuthate is 1:1, the weight of the hexadecyl trimethyl ammonium bromide accounts for 4.5 percent of the weight of the water, the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 3.5 percent of the weight of the water, and the total weight of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 88 percent of the filling degree of the flask, putting the flask into a water bath, keeping the temperature at 100 ℃ for 23 hours, refluxing water evaporated in the heating process into the flask through a reflux device, and cooling to obtain a praseodymium oxide/bismuth oxide/praseodymium oxide/bismuth oxide acid bismuth liquid precursor;
(2) and (3) putting the liquid precursor into a reaction container, sealing the reaction container, keeping the temperature at 215 ℃ for 44 hours, cooling, centrifuging, and washing with ethanol to obtain the praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheet.
Example 8
(1) Sequentially adding water, praseodymium nitrate, sodium bismuthate and hexadecyl trimethyl ammonium bromide into a quartz glass flask, wherein the molar ratio of the praseodymium nitrate to the sodium bismuthate is 1:1, the weight of the hexadecyl trimethyl ammonium bromide accounts for 5.5 percent of the weight of the water, the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 3.8 percent of the weight of the water, and the total weight of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 89 percent of the filling degree of the flask, putting the flask into a water bath, keeping the temperature at 100 ℃ for 23.5 hours, refluxing water evaporated in the heating process into the flask through a reflux device, and cooling to obtain a praseodymium oxide/bismuth oxide/praseodymium oxide/bismuth acid bismuth liquid precursor;
(2) and (3) putting the liquid precursor into a reaction container, sealing the reaction container, keeping the temperature at 235 ℃ for 46h, cooling, centrifuging, and washing with ethanol to obtain the praseodymium oxide/bismuth oxide/praseodymium carbonate composite nanosheet.
Claims (3)
1. The praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheet is characterized in that the composite nanosheet is made of hexagonal Pr2O3Bi of tetragonal form2O3And rhombus Bi1.35Pr0.65O3Crystal phase composition; the thickness of the composite nano sheet is 20-100 nm, and the size of the whole nano sheet is 250 nm-2 mu m.
2. The method for synthesizing praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheets as set forth in claim 1, characterized by comprising the steps of:
(1) sequentially adding water, praseodymium nitrate, sodium bismuthate and hexadecyl trimethyl ammonium bromide into a quartz glass flask, putting the flask into a water bath kettle, preserving the temperature for 12-24 hours at the temperature of 100 ℃, refluxing the water evaporated in the heating process into the flask through a reflux device, and cooling to obtain a liquid precursor;
(2) putting the liquid precursor into a reaction container, sealing the reaction container, keeping the temperature at 250 ℃ for 24-48h, cooling, centrifuging, and washing with ethanol to obtain praseodymium oxide/bismuth praseodymium carbonate composite nanosheets;
the molar ratio of the praseodymium nitrate to the sodium bismuthate is 1: 1;
the weight of the hexadecyl trimethyl ammonium bromide accounts for 3-6% of the weight of the water;
the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 2-4% of the weight of the water;
the total amount of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 70-90% of the filling degree of the reaction container.
3. The method for synthesizing praseodymium oxide/bismuth oxide/praseodymium bismuth oxide composite nanosheets as defined in claim 2, wherein:
the weight of the hexadecyl trimethyl ammonium bromide accounts for 3 percent of the weight of the water;
the total weight of the praseodymium nitrate and the sodium bismuthate accounts for 2 percent of the weight of the water;
the total amount of the praseodymium nitrate, the sodium bismuthate, the hexadecyl trimethyl ammonium bromide and the water accounts for 70 percent of the filling degree of the reaction container.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2572844A1 (en) * | 1984-11-02 | 1986-05-09 | Commissariat Energie Atomique | MAGNETIC MATERIAL OF THE GRENATE TYPE, FARADAY HIGH-ROTATING MAGNETIC FILM COMPRISING SUCH MATERIAL AND METHOD OF MANUFACTURING THE SAME |
| CN107651706A (en) * | 2017-11-03 | 2018-02-02 | 安徽工业大学 | A kind of preparation method of bismuthic acid lanthanum nanometer rods |
| CN108295874A (en) * | 2018-03-06 | 2018-07-20 | 济南大学 | A kind of preparation method of support type praseodymium doped BiOCl photochemical catalysts |
| CN108383159A (en) * | 2018-04-11 | 2018-08-10 | 湘潭大学 | A kind of Bi2O3The preparation method and applications of nanometer sheet material |
| CN112111273A (en) * | 2020-10-28 | 2020-12-22 | 常州工程职业技术学院 | Pr (Pr) powder3+Ion-activated near-infrared luminescent material and preparation method thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2572844A1 (en) * | 1984-11-02 | 1986-05-09 | Commissariat Energie Atomique | MAGNETIC MATERIAL OF THE GRENATE TYPE, FARADAY HIGH-ROTATING MAGNETIC FILM COMPRISING SUCH MATERIAL AND METHOD OF MANUFACTURING THE SAME |
| CN107651706A (en) * | 2017-11-03 | 2018-02-02 | 安徽工业大学 | A kind of preparation method of bismuthic acid lanthanum nanometer rods |
| CN108295874A (en) * | 2018-03-06 | 2018-07-20 | 济南大学 | A kind of preparation method of support type praseodymium doped BiOCl photochemical catalysts |
| CN108383159A (en) * | 2018-04-11 | 2018-08-10 | 湘潭大学 | A kind of Bi2O3The preparation method and applications of nanometer sheet material |
| CN112111273A (en) * | 2020-10-28 | 2020-12-22 | 常州工程职业技术学院 | Pr (Pr) powder3+Ion-activated near-infrared luminescent material and preparation method thereof |
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