CN103803528A - Preparation method of carbon polyhedrons - Google Patents

Preparation method of carbon polyhedrons Download PDF

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Publication number
CN103803528A
CN103803528A CN201410054604.4A CN201410054604A CN103803528A CN 103803528 A CN103803528 A CN 103803528A CN 201410054604 A CN201410054604 A CN 201410054604A CN 103803528 A CN103803528 A CN 103803528A
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China
Prior art keywords
carbon
preparation
deionized water
polyhedral
milk
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CN201410054604.4A
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Chinese (zh)
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CN103803528B (en
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马望京
琚伟
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Nanjing Kejin New Materials Research Institute Co ltd
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Nanjing Rui Ying Environmental Protection Technology Co Ltd
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Abstract

The invention discloses a preparation method of carbon polyhedrons. The preparation method is implemented through the steps of uniformly mixing liquid cream with deionized water in any proportion, pouring into a reaction kettle, putting in a drying oven to carry out a hydrothermal reaction, and after the reaction is completed, taking out and cooling to room temperature, so that a brown yellow aqueous solution dispersion system is obtained; standing, taking out liquid supernatant to carry out centrifugal separation, and washing by using deionized water, so that an aqueous solution containing carbon polyhedron carbon particles is obtained. The method disclosed by the invention is simple in operation, green and environment-friendly, and obtained carbon polyhedrons can be widely applied to the fields of nanotechnologies, photoelectric conversion and catalysis, and the like.

Description

The polyhedral preparation method of a kind of carbon
?
Technical field
The invention belongs to chemistry and field of nanometer material technology, relate to the polyhedral preparation method of a kind of carbon.
Background technology
Carbon nanomaterial becomes the focus of nano science research in recent years (Shaojun Guo and Shaojun Dong. Graphene nanosheet:synthesis because it has various peculiar properties as soccerballene, carbon nanotube and Graphene etc., molecular engineering, thin film, hybrids, and energy and analytical applications. chem. Soc. Rev., 2011,40,2644-2672).Carbon polyhedron, as a kind of carbon nanomaterial, can be widely used in the fields such as nanotechnology, opto-electronic conversion and catalysis.So far, not yet there is the bibliographical information synthetic polyhedral synthetic method of carbon in a large number.
Summary of the invention
The object of this invention is to provide the polyhedral preparation method of a kind of carbon, this preparation method is simple to operate, environmental protection utilize milk and deionized water, obtain carbon polyhedron by hydrothermal method.
The object of the invention is to be achieved through the following technical solutions:
The polyhedral preparation method of a kind of carbon, is characterized in that the method comprises the following steps:
1) milk and deionized water are mixed evenly with arbitrary proportion, then pour reactor into and be placed on and in baking oven, carry out hydro-thermal reaction;
2) reacted rear taking-up reactor and be cooled to room temperature, having obtained the aqueous dispersion system of brown color;
3) leave standstill, take out supernatant liquor and carry out centrifugation, with deionized water wash gained solid, can carry out repeatedly centrifugation and washing, obtain and contain the polyhedral aqueous solution of homodisperse carbon.
In the present invention, described milk is milk.The volume ratio of milk and deionized water can be: 1:100-100:1.
The temperature of described hydro-thermal reaction is 170 ~ 210 ℃.The time of described hydro-thermal reaction is 1 ~ 8 hour.
Advantage of the present invention is: simple to operate, environmental protection, the carbon polyhedron obtaining can be widely used in the fields such as nanotechnology, opto-electronic conversion and catalysis.Utilize the carbon polyhedron that scanning electron microscope prepares the present invention to measure, result shows carbon polyhedron size uniform.
Accompanying drawing explanation
Fig. 1 is the polyhedral electromicroscopic photograph figure of multiple carbon that the embodiment of the present invention 1 prepares.
Fig. 2 is the polyhedral electromicroscopic photograph figure of single carbon that the embodiment of the present invention 1 prepares.
Embodiment
Embodiment 1
The polyhedral preparation method of a kind of carbon, by milk and deionized water, the ratio take volume ratio as 1:100 is mixed evenly, then in reactor, be placed on and in baking oven, carry out hydro-thermal reaction, the temperature of hydro-thermal reaction is 170 ℃, react and take out reactor and be cooled to room temperature after 8 hours, obtain the aqueous dispersion system of brown color; Standing, take out supernatant liquor and carry out centrifugation, with deionized water wash gained solid, after 3-4 centrifugation and washing, it is the polyhedral aqueous solution of carbon that acquisition contains homodisperse photoluminescence carbon quantum dot.
Test result shows: the carbon polyhedron size uniform of preparation, see Fig. 1 and Fig. 2.
Embodiment 2
The polyhedral preparation method of another carbon, by milk and deionized water, the ratio take volume ratio as 1:1 is mixed evenly, then in reactor, be placed on and in baking oven, carry out hydro-thermal reaction, the temperature of hydro-thermal reaction is 190 ℃, react and take out reactor and be cooled to room temperature after 5 hours, obtain the aqueous dispersion system of brown color; Leave standstill, take out supernatant liquor and carry out centrifugation, with deionized water wash gained solid, after centrifugation and washing, obtain and contain the polyhedral aqueous solution of homodisperse carbon.
Embodiment 3
By milk and deionized water, the ratio take volume ratio as 100:1 is mixed evenly, then in reactor, be placed on and in baking oven, carry out hydro-thermal reaction, the temperature of hydro-thermal reaction is 210 ℃, reacts and takes out reactor and be cooled to room temperature after 1 hour, obtains the aqueous dispersion system of brown color; Leave standstill, take out supernatant liquor and carry out centrifugation, with deionized water wash gained solid, after repeatedly centrifugation and washing, obtain and contain the polyhedral aqueous solution of homodisperse carbon.

Claims (5)

1. the polyhedral preparation method of carbon, is characterized in that the method comprises the following steps:
1) milk and deionized water are mixed evenly with arbitrary proportion, then pour reactor into and be placed on and in baking oven, carry out hydro-thermal reaction;
2) reacted rear taking-up reactor and be cooled to room temperature, having obtained the aqueous dispersion system of brown color;
3) leave standstill, take out supernatant liquor and carry out centrifugation, with deionized water wash gained solid, obtain and contain the polyhedral aqueous solution of homodisperse carbon.
2. the polyhedral preparation method of carbon according to claim 1, is characterized in that: described milk is milk.
3. the polyhedral preparation method of carbon according to claim 1, is characterized in that: the temperature of described hydro-thermal reaction is 170 ~ 210 ℃.
4. the polyhedral preparation method of carbon according to claim 1, is characterized in that: the time of described hydro-thermal reaction is 1 ~ 8 hour.
5. the polyhedral preparation method of carbon according to claim 1, is characterized in that: the volume ratio of milk and deionized water is: 1:100-100:1.
CN201410054604.4A 2014-02-18 2014-02-18 The polyhedral preparation method of a kind of carbon Expired - Fee Related CN103803528B (en)

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CN103803528B CN103803528B (en) 2016-04-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106318390A (en) * 2016-08-19 2017-01-11 北京化工大学 Biomass nitrogen doped fluorescent carbon dot preparation method
CN106521548A (en) * 2016-11-10 2017-03-22 复旦大学 Electrocatalyst for sunlight-drive water electrolysis oxygen evolution reaction and preparation method of electrocatalyst

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012096990A (en) * 2011-11-02 2012-05-24 National Institute For Materials Science Method for producing biologically reactive carbon nanotube functionalized by bonding redox protein through non-conjugated bond
CN102583307A (en) * 2012-01-17 2012-07-18 南京工业大学 Fluorescent carbon quantum dots extracted from eggs and preparation method and application thereof
CN103086356A (en) * 2013-02-19 2013-05-08 复旦大学 Method for preparing carbon quantum dots
CN103387219A (en) * 2013-07-22 2013-11-13 苏州大学 A preparation method for water-soluble multicolor carbon quantum points by microwave radiation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012096990A (en) * 2011-11-02 2012-05-24 National Institute For Materials Science Method for producing biologically reactive carbon nanotube functionalized by bonding redox protein through non-conjugated bond
CN102583307A (en) * 2012-01-17 2012-07-18 南京工业大学 Fluorescent carbon quantum dots extracted from eggs and preparation method and application thereof
CN103086356A (en) * 2013-02-19 2013-05-08 复旦大学 Method for preparing carbon quantum dots
CN103387219A (en) * 2013-07-22 2013-11-13 苏州大学 A preparation method for water-soluble multicolor carbon quantum points by microwave radiation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106318390A (en) * 2016-08-19 2017-01-11 北京化工大学 Biomass nitrogen doped fluorescent carbon dot preparation method
CN106318390B (en) * 2016-08-19 2019-01-04 北京化工大学 A kind of preparation method of biomass N doping fluorescent carbon point
CN106521548A (en) * 2016-11-10 2017-03-22 复旦大学 Electrocatalyst for sunlight-drive water electrolysis oxygen evolution reaction and preparation method of electrocatalyst

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Effective date of registration: 20191225

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Patentee before: NANJING RUIYING ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd.

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Granted publication date: 20160413