KR20220121527A - Multi-taylor-couette device and method for manufacturing two-dimensional materials using the same - Google Patents

Abstract

Various embodiments relate to a multi-Taylor-Couette device and a manufacturing method of a two-dimensional material using the same. The multi-Taylor-Couette device comprises: an outer housing; and at least two inner cylinders respectively inserted within the outer housing and respectively configured to be rotatable within the outer housing. The manufacturing method of a two-dimensional material can be configured to rotate the inner cylinders within the outer housing to generate the multiple Taylor-Couette flows for a solution injected into spaces so that a two-dimensional material can be prepared from the solution therethrough.

Description

MULTI-TAYLOR-COUETTE DEVICE AND METHOD FOR MANUFACTURING TWO-DIMENSIONAL MATERIALS USING THE SAME

Various embodiments relate to a multi-Taylor-Cuett apparatus and a method for manufacturing a two-dimensional material using the same.

A two-dimensional material is a crystalline material composed of one layer of atoms, and can be manufactured by exfoliation from a bulk material in which the two-dimensional material is stacked in several layers under the action of van der Waals force or the like, or through synthesis from a precursor. In the past, it was possible to manufacture two-dimensional materials through the shear force and mixing efficiency of the fluid flow generated by rotating the inner cylinder in a single inner cylinder Taylor-Couett flow generator composed of a cylindrical inner cylinder and a cylindrical outer cylinder with a concentric arrangement. For improvement, conditions that can provide higher shear force and mixing efficiency are required. As the internal cylinder rotation speed increases in the single inner cylinder Taylor-Couett flow generator, the shear force that can be given through the fluid flow increases, but the flow area is changed and the shear force acting on the two-dimensional material is substantially reduced, so that the specific rotation Above the speed, the efficiency of the two-dimensional material manufacturing decreases.

Various embodiments provide a multi-Taylor-Couett flow apparatus capable of applying a high shear force to produce a two-dimensional material, and a method for manufacturing a two-dimensional material using the same.

A method for manufacturing a two-dimensional material using a multi-Taylor-Couett device according to various embodiments includes preparing a solution for manufacturing a two-dimensional material, at least two inner cylinders of the multi-Taylor-Couett device and wrapping the inner cylinders injecting the solution into the space between the outer housings, and rotating the inner cylinders within the outer housing to derive a two-dimensional material from the solution, thereby generating a multiple Taylor-Couett flow for the solution. can do.

A multi-Taylor-Couet device according to various embodiments includes an outer housing and at least two inner cylinders respectively inserted into the outer housing and rotatably configured within the outer housing, the outer housing comprising: , at least two accommodating portions each accommodating the inner cylinders to respectively form spaces between the inner cylinders and the outer housing; and a cooling jacket disposed adjacent to the accommodating portions to cool heat generated while the inner cylinders are rotated within the outer housing, and rotated the inner cylinders within the outer housing, to Multiple Taylor-Couett flows are generated for the injected solution, through which a two-dimensional material can be produced from the solution.

According to various embodiments, it is possible to efficiently manufacture a two-dimensional material in a liquid phase based on a high shear force using a multi-Taylor-Couett apparatus. That is, the multi-Taylor-Cuett apparatus provides high mixing efficiency and high shearing force, thereby ensuring excellent quality and manufacturing a two-dimensional material with a high yield. Accordingly, the price of the two-dimensional material may be reduced.

1 is a diagram illustrating a multi-Taylor-Couet device according to various embodiments.
FIG. 2 is a side cross-sectional view illustrating the assembly of the inner cylinders and the outer housing of FIG. 1 .
3A, 3B and 3C are front cross-sectional views for explaining the assembly of the inner cylinders and the outer housing of FIG. 1 .
4 is a diagram illustrating a method of manufacturing a two-dimensional material using a multi-Taylor-Couet apparatus according to various embodiments of the present disclosure;

Hereinafter, various embodiments of the present document will be described with reference to the accompanying drawings.

Various embodiments relate to a technique for thin two-dimensional material synthesis and exfoliation using multiple Taylor-Quett devices, and more particularly, graphite, hexagonal boron nitride (h-BN), boron carbonitride, and transition High mixing for synthesizing or peeling various two-dimensional materials with a layered structure such as metallic chalcogenide, two-dimensional oxide, layered double hydroxide, black phosphorus, and phosphirin into a thin film in aqueous or organic solvents containing dispersants and ionic liquids It provides efficiency and high shearing force, and can be controlled in various ways according to the operating conditions of the multi-Taylor-Couett device, so that the two-dimensional materials can be obtained in high yield. Various embodiments are technologies applicable to all application fields using two-dimensional nanomaterials, such as IT, BT, and NT.

In the case of making a two-dimensional nanomaterial by a chemical method other than CVD, it may have an advantage in terms of price, but there is a disadvantage in that the quality is lowered due to a decrease in purity such as a reduction process. In the case of synthesizing and peeling a two-dimensional material in a liquid phase, the chemical quality does not decrease, and it is advantageous in price, yield, and scale scalability because physical force is large. Various embodiments relate to a method for manufacturing a two-dimensional material using multiple Taylor-Couett flows, which is advantageous for manufacturing a variety of two-dimensional materials using a multi-Taylor-Couett apparatus featuring high-efficiency mixing, stirring, dispersing, grinding, and exfoliation. method that can be applied. According to various embodiments, it is possible to increase the mixing efficiency in the apparatus and apply a high shear force by generating a multi-Taylor-Couett flow using a multi-Taylor-Couett device. Using the multi-Taylor-Cuett device, it is possible to synthesize a nano two-dimensional material in a liquid phase or obtain a nano two-dimensional material by physically exfoliating it. There is an advantage. Various embodiments are expected to play a big role in the growing two-dimensional material market as a technology that can lower the unit cost by increasing product yield and increasing productivity through scale expansion while maintaining the quality of the two-dimensional material made by CVD.

1 is a diagram illustrating a multi-Taylor-Couet device 100 according to various embodiments. FIG. 2 is a side cross-sectional view illustrating the assembly of the inner cylinders 110 and the outer housing 120 of FIG. 1 . 3A, 3B and 3C are front cross-sectional views illustrating the assembly of the inner cylinders 110 and the outer housing 120 of FIG. 1 .

1, 2, 3A, 3B and 3C , the multi-Taylor-Couet device 100 according to various embodiments includes at least two inner cylinders 110 and an outer housing 120 . , it may include at least one of the rotation module 130 , the driving module 140 , and the control module 150 . In some embodiments, at least one component may be added to the multi-Taylor-Quett device 100 . In some embodiments, at least two of the components of the multi-Taylor-Couett device 100 may be integrated and implemented.

The inner cylinders 110 may be implemented to rotate within the outer housing 120 , respectively. Here, in each of the inner cylinders 110 , a rotation axis passing through the center is defined, and each of the inner cylinders 110 may rotate about the rotation axis. At this time, the inner cylinders 110 may be hollow, that is, a hollow tubular or hollow columnar shape. In addition, the cross-section of the inner cylinders 110 may be circular or polygonal. For example, the inner cylinder 110 is stainless steel, iron (iron), nickel (nickel), copper (cupper), copper / nickel alloy, aluminum (aluminium), aluminum alloy, silver (silver), It may be made of at least one of gold, platinum, hastelloy, monel, incoloy, titanium, zirconium, ceramics, or polymer compounds. .

The outer housing 120 may accommodate the inner cylinders 110 , respectively. That is, the outer housing 120 may surround the inner cylinders 110 . For example, the outer housing 120 may be made of the same material or a different material as that of the inner cylinders 110 , and may include stainless steel, iron, nickel, copper, copper/nickel alloy, aluminum, aluminum alloy, silver, or gold. , Platinum, Heartloy, Monel, Incoloy, Titanium, Zirconium, may be made of at least one of a ceramic or a polymer compound. The outer housing 120 may include a body portion 121 and a cover portion 127 . The body portion 121 substantially accommodates the inner cylinders 110 , respectively, and the cover portion 127 may cover the inner cylinder 110 not to be separated from the outer housing 120 . The body portion 121 may include at least two receptacles 122 , a cooling jacket 123 , at least two inlets 124 , at least two outlets 125 and at least one entrance 126 . can

The receiving portions 122 may accommodate the inner cylinders 110 , respectively. In other words, the inner cylinders 110 may be respectively inserted into the receptacles 122 . Here, in each of the receiving portions 122 , a central axis passing through the center is defined, and when the inner cylinders 110 are inserted into the receiving portions 122 , the central axis and the rotation axis may coincide. At this time, each of the receiving portions 122 is a groove formed concavely inwardly of the outer housing 120 , and each of the inner cylinders 110 may be inserted into the groove. The receiving portions 122 may be formed independently of each other as shown in FIG. 3A or may be formed to communicate with each other as shown in FIG. 3B or 3C . For example, when the receiving portions 122 are communicated with each other, the portion to which the receiving portions 122 are connected is flat or pointed between the inner cylinders 110 to be parallel to the axis connecting the rotation axes of the inner cylinders 110 . It may be in a shape (not shown) that protrudes. Here, when the accommodating parts 122 communicate with each other, the height (h) of the portion where the accommodating parts 122 are connected may be different depending on the shape thereof. In addition, the cross-sections of the accommodating parts 122 may be circular or polygonal. In addition, the diameter of the cross-section of the receiving portions 122 may be smaller than the diameter of the cross-section of the inner cylinders (110). Here, in each of the receiving portions 122 , a radial direction orthogonal to the central axis is defined, and when the inner cylinders 110 are inserted into the receiving portions 122 , the receiving portions 122 and the inner cylinder 110 . They may be diametrically spaced apart. Through this, spaces may be formed in the radial direction between the receiving portions 122 and the inner cylinders 110 . Here, when the accommodating parts 122 are formed to communicate with each other, the spaces may be integrated into one space. For example, the separation distance d between the inner wall of the receiving portions 122 and the surface of the inner cylinders 110 may be greater than or equal to about 0.1 mm and less than or equal to about 2 cm.

In some embodiments, the inner cylinders 110 may include first fastening parts 110a, respectively, and the receiving parts 122 may include second fastening parts 122a, respectively. Through this, as the first fastening parts 110a and the second fastening parts 122a are respectively fastened, the inner cylinders 110 and the receiving parts 122 may be respectively fastened. For example, each of the first fastening parts 110a may be grooves concavely formed along a rotational axis, and each of the second fastening parts may be a protrusion protruding along a central axis. When the inner cylinders 110 are inserted into the receiving parts 122 , the first fastening parts 110a and the second fastening parts 122a may be respectively fastened. As the inner cylinders 110 are rotated, the second fastening parts 122a may also be rotated together with the first fastening parts 110a. Alternatively, even when the inner cylinders 110 rotate, the second coupling parts 122a may be fixed, and the first coupling parts 110a may be rotated around the second coupling part 122a.

), 지그재그 패턴(

) 또는 요철 패턴(

) 중 적어도 하나의 형상을 형성하면서 배치될 수 있다. 냉각 재킷(123)은 내부에서 냉각수가 흐르도록 형성될 수 있다. 이를 통해, 냉각 재킷(123)은 주변에서 발생되는 열을 냉각시킬 수 있다. 즉, 냉각 재킷(123)은 다중 테일러-쿠에트 장치(100) 구동 시 발생되는 열을 냉각시킬 수 있다. The cooling jacket 123 may be disposed adjacent to the receiving portions 122 inside the outer housing 120 . For example, when viewed in cross-section of the accommodating parts 122 , the cooling jacket 123 may be disposed while maintaining a constant distance with respect to the inner walls of the accommodating parts 122 . As another example, when viewed in cross-section of the receiving portions 122 , the cooling jacket 123 has a wave pattern (

), zigzag pattern (

) or a concave-convex pattern (

) may be disposed while forming at least one shape of. The cooling jacket 123 may be formed so that the cooling water flows therein. Through this, the cooling jacket 123 may cool the heat generated in the surroundings. That is, the cooling jacket 123 may cool the heat generated when the multi-Taylor-Couet device 100 is driven.

The inlets 124 may communicate with the receiving portions 122 , respectively. The inlets 124 may be provided so that a fluid is introduced into the accommodating parts 122 from the outside. Accordingly, the fluid may be introduced into the spaces between the outer housing 120 and the inner cylinders 110 in the receiving portions 122 through the inlets 124 .

The outlets 125 may communicate with the receiving portions 122 , respectively. The outlets 125 may be provided so that the fluid flows out from the accommodating parts 122 . Accordingly, the fluid may flow out from the spaces between the outer housing 120 and the cylinders 110 in the accommodating parts 122 through the outlets 125 .

The entrance 126 may communicate with the cooling jacket 123 . The entrance 126 may be provided such that the cooling water flows into the cooling jacket 123 from the outside and the cooling water flows out from the cooling jacket 123 to the outside. Accordingly, the cooling water may flow into the cooling jacket 123 through the entrance 126 , and the cooling water may flow out from the cooling jacket 123 .

The rotation module 130 may be provided to respectively rotate the inner cylinders 110 within the outer housing 120 . That is, the rotation module 130 may serve as a shaft for each of the inner cylinders 110 . To this end, the rotation module 130 may be fastened along the rotation axis to each of the inner cylinders 110 .

The driving module 140 may be provided to drive the rotation module 130 . In this case, the driving module 140 may drive the rotation module 130 using electric energy. Through this, the rotation module 130 may rotate the inner cylinders 110, respectively. For example, the driving module 140 may include a motor.

The control module 150 may control the multi-Taylor-Couet device 100 . In this case, the control module 150 may determine a rotation direction, a rotation speed, and a rotation time for each of the inner cylinders 110 . Based on this, the control module 150 may drive the rotation module 130 through the driving module 140 to respectively rotate the internal cylinders 110 . The control module 150 may rotate all of the inner cylinders 110 in the same direction. Alternatively, the control module 150 may rotate at least one of the inner cylinders 110 in a direction different from the other of the inner cylinders 110 .

4 is a diagram illustrating a two-dimensional material manufacturing method using the multi-Taylor-Couet apparatus 100 according to various embodiments of the present disclosure.

Referring to FIG. 4 , in step 410 , a solution for manufacturing a two-dimensional material may be prepared. The solution comprises at least one of an aqueous solution or an organic solvent containing either an anionic dispersant, a cationic dispersant, a neutral dispersant, a dispersing agent including zwitterionic surfactants or an ionic liquid, and at least one of an aqueous solution or an organic solvent. It may include at least one of a dispersed two-dimensional bulk material or a precursor. For example, the anionic dispersant may include at least one of sodium dodecyl sulfate, sodium lauryl ether sulfate, or dioctyl sodium sulfosuccinate. For example, the cationic dispersant is cetrimonium bromide (CTAB), cetylpyridinium chloride (CPC), benzalkonium chloride (BAC), benzethonium chloride (BZT), dimethyl die It may include at least one of octadecylammonium chloride (dimethyldioctadecylammonium chloride) and dioctadecyldimethylammonium bromide (DODAB). For example, the neutral dispersant may include at least one of tween 80 and triton X-100. For example, the jitter ion surfactant may include at least one of lauryldimethylamine oxide, myristamine oxide, and 11-aminoundecanoic acid. For example, the ionic liquid is tetramethylammonium tetrauoroborate ([TMA][BF4]), 1-ethyl-3-methylimidazolium tetrauoroborate ([EMIM][BF4]), 1-ethyl-3-methylimidazolium ethyl sulfate ([EMIM][EtSO4 ]), and 1-ethyl-3-methylimidazolium hexauorophosphate ([EMIM][PF6]). For example, the organic solvent may include at least one of an organic compound having a structure of N-methyl-2-pyrrolidone or dimethylformamide. For example, the two-dimensional bulk material may include graphite and h-BN. For example, the precursor may include iron chloride, nickel chloride, zinc oxide, and cobalt chloride.

In step 420 , a solution may be injected into the multi-Taylor-Couet device 100 . At this time, the solution may be injected into spaces between the inner cylinders 110 and the outer housing 120 . Here, the solution may be injected batchwise or continuously. For example, the solution may be injected, by means of a pump.

In step 430, the multi-Taylor-Couett device 100 may be driven to generate a multi-Taylor-Couett flow for the solution. At this time, the inner cylinders 110 are respectively rotated within the outer housing 120, thereby generating multiple Taylor-Couett flows for the solution. Through this, a two-dimensional material can be derived from the solution. That is, the two-dimensional material may be exfoliated from the two-dimensional bulk material in the solution or the two-dimensional material may be synthesized from the precursor through a shear force applied while the aqueous solution and the organic solvent in the solution are mixed by multiple Taylor-Couett flows. While the multi-Taylor-Couet device 100 is being driven, the cooling jacket 230 may cool the heat generated while the inner cylinders 110 are rotated within the outer housing 120 .

According to various embodiments, according to the two-dimensional material to be manufactured, at least one of a rotation direction, a rotation speed, or a rotation time of each of the inner cylinders 110 is determined, and accordingly, a characteristic of a multi-Taylor-Couett flow is also determined. can In other words, according to a combination of the rotation direction, rotation speed, and rotation time of the inner cylinders 110 , the characteristics of the multi-Taylor-Couett flow may be determined. For example, all of the inner cylinders 110 may be rotated in the same direction, or at least one of the inner cylinders 110 and the other of the inner cylinders 110 may be rotated in different directions. For example, the rotational speed may be greater than or equal to 0.001 rad/s and less than or equal to 11,000 rad/s (about 100,000 rpm). For example, the rotation time may be greater than or equal to 0.1 seconds and less than or equal to 100 hours.

According to various embodiments, it is possible to efficiently manufacture a two-dimensional material in a liquid phase based on a high shear force using the multi-Taylor-Couet apparatus 100 . That is, the multi-Taylor-Cuett apparatus 100 provides high mixing efficiency and high shearing force, thereby ensuring excellent quality and manufacturing a two-dimensional material with a high yield. Accordingly, the price of the two-dimensional material may be reduced.

A method of manufacturing a two-dimensional material using a multi-Taylor-Couett apparatus 100 according to various embodiments includes preparing a solution for preparing a two-dimensional material (step 410), at least two of the multi-Taylor-Couett apparatus 100 Injecting the solution into the space between the inner cylinders 110 and the outer housing 120 surrounding the inner cylinders 110 (step 420), and in the outer housing 120 to derive a two-dimensional material from the solution rotating the inner cylinders 110 to generate multiple Taylor-Couett flows for the solution (step 430).

According to various embodiments, the solution comprises at least one of an aqueous solution or an organic solvent containing one of an anionic dispersant, a cationic dispersant, a neutral dispersant, or an ionic liquid, and a two-dimensional bulk dispersed in at least one of an aqueous solution or an organic solvent. It may include at least one of a substance or a precursor.

According to various embodiments, a two-dimensional material may be exfoliated from a two-dimensional bulk material or a two-dimensional material may be synthesized from a precursor through a shear force applied while an aqueous solution and an organic solvent are mixed by a multi-Taylor-Couett flow.

According to various embodiments, the outer housing 120 receives the inner cylinders 110 , respectively, and at least two accommodating portions 122 respectively forming spaces between the inner cylinders 110 and the outer housing 120 . ), and disposed adjacent to the accommodating portions 122 , and may include a cooling jacket 123 for cooling heat generated while the inner cylinders 110 are rotated within the outer housing 120 .

According to various embodiments, the cooling jacket 123 may be formed so that the cooling water flows therein.

According to various embodiments, the outer housing 120 communicates with the accommodating parts 122 , respectively, and communicates with the inlets 124 and the accommodating parts 122 provided to respectively inject the solution into the spaces. and outlets 125 provided for discharging the solution from the spaces, respectively, and an inlet 126 provided for injecting cooling water into the cooling jacket 123 and discharging the cooling water from the cooling jacket 123 . may include

According to various embodiments, generating multiple Taylor-Couett flows for the solution (step 430 ) may include rotating all of the inner cylinders 110 in the same direction, or at least one of the inner cylinders 110 . may be rotated in a direction different from that of the rest of the inner cylinders 110 .

According to various embodiments, generating multiple Taylor-Couett flows for the solution (step 430) may include, based on each rotational direction and rotational speed determined according to the two-dimensional material to be manufactured, the inner cylinder 110 ) can be rotated.

According to various embodiments, the solution may be injected batchwise or continuously.

According to various embodiments, the rotational speed may be greater than or equal to 0.001 rad/s and less than or equal to 11,000 rad/s.

According to various embodiments, generating multiple Taylor-Couett flows for the solution (step 430 ) may rotate the inner cylinders 110 for a period of time greater than or equal to 0.1 seconds and less than or equal to 100 hours.

Multi-Taylor-Couett device 100 according to various embodiments, each of which is inserted into the outer housing 120 and the outer housing 120, and at least two rotatably configured in the outer housing 120, respectively It may include inner cylinders 110 .

According to various embodiments, the outer housing 120 receives the inner cylinders 110 , respectively, and at least two accommodating portions 122 respectively forming spaces between the inner cylinders 110 and the outer housing 120 . ), and disposed adjacent to the accommodating portions 122 , and may include a cooling jacket 123 for cooling heat generated while the inner cylinders 110 are rotated within the outer housing 120 .

According to various embodiments, the inner cylinders 110 are rotated within the outer housing 120 to generate multiple Taylor-Couett flows for the solution injected into the spaces, through which the two-dimensional material is produced from the solution. can

According to various embodiments, the solution comprises at least one of an aqueous solution or an organic solvent containing one of an anionic dispersant, a cationic dispersant, a neutral dispersant, or an ionic liquid, and a two-dimensional bulk dispersed in at least one of an aqueous solution or an organic solvent. It may include at least one of a substance or a precursor.

According to various embodiments, a two-dimensional material may be exfoliated from a two-dimensional bulk material or a two-dimensional material may be synthesized from a precursor through a shear force applied while an aqueous solution and an organic solvent are mixed by a multi-Taylor-Couett flow.

According to various embodiments, the cooling jacket 123 may be formed so that the cooling water flows therein.

According to various embodiments, the outer housing 120 communicates with the accommodating parts 122 , respectively, and communicates with the inlets 124 and the accommodating parts 122 provided to respectively inject the solution into the spaces. and outlets 125 provided for discharging the solution from the spaces, respectively, and an inlet 126 provided for injecting cooling water into the cooling jacket 123 and discharging the cooling water from the cooling jacket 123 . may include

Various embodiments of this document and terms used therein are not intended to limit the technology described in this document to a specific embodiment, but it should be understood to include various modifications, equivalents, and/or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for like components. The singular expression may include the plural expression unless the context clearly dictates otherwise. In this document, expressions such as “A or B”, “at least one of A and/or B”, “A, B or C” or “at least one of A, B and/or C” refer to all of the items listed together. Possible combinations may be included. Expressions such as "first", "second", "first" or "second" can modify the corresponding elements regardless of order or importance, and are only used to distinguish one element from another. It does not limit the corresponding components. When an (eg, first) component is referred to as being “(functionally or communicatively) connected” or “connected” to another (eg, second) component, that component is It may be directly connected to the component, or may be connected through another component (eg, a third component).

As used herein, the term “module” includes a unit composed of hardware, software, or firmware, and may be used interchangeably with terms such as, for example, logic, logic block, component, or circuit. A module may be an integrally formed part or a minimum unit or a part of one or more functions. For example, the module may be configured as an application-specific integrated circuit (ASIC).

According to various embodiments, each component (eg, a module or a program) of the described components may include a singular or a plurality of entities. According to various embodiments, one or more components or steps among the above-described corresponding components may be omitted, or one or more other components or steps may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to integration. According to various embodiments, steps performed by a module, program, or other component are executed sequentially, in parallel, iteratively, or heuristically, or one or more of the steps are executed in a different order, omitted, or , or one or more other steps may be added.

Claims (15)

In the method for manufacturing a two-dimensional material using a multi-Taylor-Cuett apparatus,
preparing a solution for producing a two-dimensional material;
injecting the solution into a space between at least two inner cylinders of a multi-Taylor-Couet device and an outer housing surrounding the inner cylinders; and
rotating the inner cylinders within the outer housing to generate multiple Taylor-Couett flows for the solution, such that a two-dimensional material is drawn from the solution;
containing,
A method for manufacturing two-dimensional materials.
The method of claim 1,
The solution is
at least one of an aqueous solution or an organic solvent containing one of an anionic dispersant, a cationic dispersant, a neutral dispersant, a jitterionic surfactant, or an ionic liquid, and
comprising at least one of a two-dimensional bulk material or a precursor dispersed in at least one of the aqueous solution or the organic solvent,
A method for manufacturing two-dimensional materials.
3. The method of claim 2,
Through the shear force applied while the aqueous solution and the organic solvent are mixed by the multi-Taylor-Couett flow, the two-dimensional material is exfoliated from the two-dimensional bulk material, or the two-dimensional material is synthesized from the precursor,
A method for manufacturing two-dimensional materials.
The method of claim 1,
The outer housing,
at least two accommodating portions each accommodating the inner cylinders to respectively form spaces between the inner cylinders and the outer housing; and
A cooling jacket disposed adjacent to the accommodating portions to cool heat generated while the inner cylinders are rotated within the outer housing.
containing,
A method for manufacturing two-dimensional materials.
5. The method of claim 4,
The cooling jacket,
formed so that the coolant flows from the inside,
A method for manufacturing two-dimensional materials.
6. The method of claim 5,
The outer housing,
Inlets each communicating with the accommodating parts and provided to inject the solution into the spaces, respectively;
outlets respectively communicating with the accommodating parts and provided for discharging the solution from the spaces; and
An entrance provided for injecting the cooling water into the cooling jacket and discharging the cooling water from the cooling jacket
further comprising,
A method for manufacturing two-dimensional materials.
The method of claim 1,
generating the multiple Taylor-Couett flows for the solution,
rotating all of the inner cylinders in the same direction,
rotating at least one of the inner cylinders in a different direction than the other of the inner cylinders;
A method for manufacturing two-dimensional materials.
The method of claim 1,
generating the multiple Taylor-Couett flows for the solution,
rotating the inner cylinders based on each rotational direction and rotational speed determined according to the two-dimensional material to be manufactured,
A method for manufacturing two-dimensional materials.
The method of claim 1,
The solution is
Batch or continuous infusion,
A method for manufacturing two-dimensional materials.
9. The method of claim 8,
The rotation speed is 0.001 rad / s or more and 11,000 rad / s or less,
generating the multiple Taylor-Couett flows for the solution,
rotating the inner cylinders for a time greater than or equal to 0.1 seconds and less than or equal to 100 hours;
A method for manufacturing two-dimensional materials.
In a multi-Taylor-Cuett device,
outer housing; and
at least two inner cylinders respectively inserted into the outer housing and configured to be rotatably respectively within the outer housing;
including,
The outer housing,
at least two accommodating portions each accommodating the inner cylinders to respectively form spaces between the inner cylinders and the outer housing; and
A cooling jacket disposed adjacent to the accommodating parts to cool heat generated while the inner cylinders are rotated within the outer housing.
including,
rotating the inner cylinders within the outer housing to generate multiple Taylor-Couett flows for the solution injected into the spaces, through which a two-dimensional material is produced from the solution,
Multiple Taylor-Couett devices.
12. The method of claim 11,
The solution is
at least one of an aqueous solution and an organic solvent containing one of an anionic dispersant, a cationic dispersant, a neutral dispersant, or an ionic liquid, and a two-dimensional bulk material or precursor dispersed in the aqueous solution and the organic solvent,
Multiple Taylor-Couett devices.
13. The method of claim 12,
Through the shear force applied while the aqueous solution and the organic solvent are mixed by the multi-Taylor-Couett flow, the two-dimensional material is exfoliated from the two-dimensional bulk material, or the two-dimensional material is synthesized from the precursor,
Multiple Taylor-Couett devices.
12. The method of claim 11,
The cooling jacket,
formed so that the coolant flows from the inside,
Multiple Taylor-Couett devices.
12. The method of claim 11,
The outer housing,
Inlets each communicating with the accommodating parts and provided to inject the solution into the spaces, respectively;
outlets respectively communicating with the accommodating parts and provided for discharging the solution from the spaces; and
An entrance provided for injecting the cooling water into the cooling jacket and discharging the cooling water from the cooling jacket
further comprising,
Multiple Taylor-Couett devices.

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