CN104830327A - CDs/SiO2 composite fluorescent nano material and one-step preparation method thereof - Google Patents
CDs/SiO2 composite fluorescent nano material and one-step preparation method thereof Download PDFInfo
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Abstract
The invention belongs to the technical field of composite fluorescent nano materials, and discloses a CDs/SiO2 composite fluorescent nano material and a one-step preparation method thereof. The preparation method is a solvothermal method and comprises the following steps: mixing sodium citrate and a silane coupling agent, heating to carry out reactions to obtain a turbid liquid, subjecting the turbid liquid to centrifugation, and finally filtering to obtain the CDs/SiO2 composite fluorescent nano material. In the provided method, the sodium citrate and silane coupling agent directly react, the post treatment using a strong acid or a surface passivating agent is not required, and the composite fluorescent nano material (solid powder) can be rapidly prepared in one step. The raw materials are easily-available, the price is cheap, the reaction conditions are mild, and the yield is high (90% or more). Solved is the problem that the massive production of carbon quantum dots cannot be achieved due to the limitation of technology and raw materials in the prior art. The prepared CDs/SiO2 composite fluorescent nano material has the advantages of good stability, air-slaking resistance, and high light stability, and can be applied to the fields such as photoelectric devices, photocatalysis, biosensors, agriculture, and the like.
Description
Technical field
The invention belongs to fluorescent nano material compounding technology field, particularly a kind of CDs/SiO
2composite fluorescence nano material and one one-step preparation method.
Background technology
Carbon quantum dot (CDs) material occurred in recent years gets more and more people's extensive concerning because of the optical property of uniqueness and environment friendly.2009, researchist finds, CDs is a kind of outstanding electron donor(ED) and hole receptor (Chem.Commun., 2009,25:3774-3776), again because CDs itself has visible ray and absorbs and have upper conversion function, thus the research of CDs photocatalyst material is paid close attention to, relevant report continues to bring out.But in actual applications, as catalytic field, the size (<10nm) less due to CDs is also unfavorable for the separation of catalyzer, is applied so be usually combined with other materials by CDs.As: SiO
2/ CDs, TiO
2/ CDs, Fe
2o
3/ CDs, CDs/Ag/Ag
3pO
4, α-Fe
2o
3/ CDs and meso-porous ZnO/CDs (New J.Chem., 2012,36 (4): 1031-1035; Chem.Commun., 2011,47:2604-2606; J.Mater.Chem., 2012,22:8345-8353; Environ.Sci.Technol.2011,45:9324-9331).
Although oneself is through having about CDs/SiO at present
2report, but its preparation method is complicated, general need two steps (first to synthesize after CDs again with SiO
2or silane coupling agent is compounded to form CDs/SiO
2matrix material), treating processes is numerous and diverse, can not large-scale production.The invention provides a kind of CDs/SiO
2one one-step preparation method of composite fluorescence nano material.This is compared with additive method, as (CN 103382389 A) such as Huang Jiajia utilize micromolecular compound Hydrothermal Synthesis CDs after form carbon quantum dot and silicone resin matrix material with organosilane monomer and silane coupling agent complex reaction again; Liu Chunyan etc. (CN 103421495 A) prepare functionalization CDs with pyrolysis method pyrolysis organic compound, luminous carbon quantum dot/the silicon dioxide hybrid materials obtained after coated silica layer afterwards, single stage method of the present invention can directly obtain composite fluorescence solid powder material, and aftertreatment is simple; (be generally that solution is luminous, solid is not easy to obtain and solid is general not luminous, unstable to compare CDs itself, easy deliquescence etc.), material itself is stablized, and sends bright blue light, good light stability, provides possibility in the application in photoelectricity, photochemical catalysis, sensing and the field such as agricultural.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art with not enough, primary and foremost purpose of the present invention is to provide a kind of CDs/SiO
2one one-step preparation method of composite fluorescence nano material.Preparation method's operating procedure of the present invention is simple, fast, reproducible, abundant raw material source, prepares productive rate high.
Another object of the present invention is the CDs/SiO providing aforesaid method to prepare
2composite fluorescence nano material.
Still a further object of the present invention is to provide above-mentioned CDs/SiO
2the application of composite fluorescence nano material in photoelectricity, photochemical catalysis, sensing and the field such as agricultural.
Object of the present invention is realized by following proposal:
A kind of CDs/SiO
2one one-step preparation method of composite fluorescence nano material, the method is solvent-thermal method, comprises the following steps: by Trisodium Citrate and silane coupling agent mixing, reacting by heating, obtains suspension liquid, centrifugal, filters, obtains CDs/SiO
2composite fluorescence nano material.
The amount ratio of Trisodium Citrate used and silane coupling agent is (1 ~ 5) g:(10 ~ 40) mL.
Described reacting by heating is preferably reacting by heating 3 ~ 8h at 150 ~ 240 DEG C, is more preferably reacting by heating 5h at 200 DEG C.
Silane coupling agent described in the present invention preferably includes but not limited to at least one in amino silicane coupling agent, imino-silane coupling agent, epoxy silane coupling and mercaptosilane coupling agents that 2 ~ 3 alcoxyls are silica-based, as N-(β-aminoethyl)-γ-aminopropyl-methyl dimethoxysilane (AEAPMS), N-aminoethyl-γ-aminopropyl-Trimethoxy silane (AEATMS), 3-aminopropyl triethoxysilane (APTES), Union carbide A-162 (METS), 3-dredges alcohol radical propyl trimethoxy silicane (MPTES) etc.Be more preferably N-(β-aminoethyl)-γ-aminopropyl-methyl dimethoxysilane (AEAPMS).
Described centrifugal preferably centrifugal 30 ~ 60min under the speed of 10000 ~ 15000r/min.Centrifugal rear removing supernatant liquid, commodity petroleum ether carries out filtering separation after washing 3 ~ 5 times again.
Separation is preferred afterwards carries out drying at 60 ~ 100 DEG C, obtains the white solid product CDs/SiO of blue light-emitting
2composite fluorescence nano material.Preparation method of the present invention is simple to operate, and raw material sources are extensive, and reproducible, productive rate is high, can to more than 90%.The CDs/SiO prepared
2composite fluorescence nano material good stability, send bright blue light, light stability is good, can be applicable in photoelectricity, photochemical catalysis, sensing and the field such as agricultural.
Principle of the present invention:
The present invention utilizes Trisodium Citrate and silane coupling agent direct reaction, and raw material is simple and easy to get, cheap, and reaction conditions is gentle, preparation CDs/SiO
2the productive rate of composite fluorescence pressed powder is high, and solving existing carbon quantum dot and mixture preparation thereof cannot the problem of large-scale production because of the restriction of technique and raw material, can be applicable to optoelectronic equipment, photochemical catalysis, biosensor and the field such as agricultural.
The present invention, relative to prior art, has following advantage and beneficial effect:
(1) the present invention uses Trisodium Citrate and silane coupling agent direct reaction, without the need to follow-up strong acid or surface passivator process, gets final product a step simple and quick acquisition composite fluorescence nano material pressed powder.
(2) raw material of the present invention is extensively easy to get, cheap, preparation method's mild condition, only need 150 DEG C can react, and productive rate is high, reaches more than 90%, is applicable to large-scale industrial production.
(3) CDs/SiO for preparing of the present invention
2composite fluorescence nano material good stability, not deliquescence, and light stability is good, can be applicable in photoelectricity, photochemical catalysis, sensing and the field such as agricultural.
Accompanying drawing explanation
Fig. 1 is the CDs/SiO of embodiment 3
2the infrared spectrum of composite fluorescence nano material.
Fig. 2 is the CDs/SiO of embodiment 3
2the XPS spectrum figure of composite fluorescence nano material and Si
2pspectrogram.
Fig. 3 is the CDs/SiO of embodiment 3
2the transmission electron microscope picture of composite fluorescence nano material and size distribution.
Fig. 4 is the CDs/SiO of embodiment 3
2the exciting of composite fluorescence nano material, utilizing emitted light spectrogram and the picture under visible ray and ultraviolet lamp thereof.
Fig. 5 is the CDs/SiO of embodiment 3
2the utilizing emitted light spectrogram of composite fluorescence nano material under different excitation wavelength.
Fig. 6 is the CDs/SiO of solvent to embodiment 3
2the impact of composite fluorescence nano material luminescent properties.
Fig. 7 is the CDs/SiO of pH to embodiment 3
2the impact of the luminescent properties of composite fluorescence nano material.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
(1) 1.0g Trisodium Citrate and 10mL silane coupling A EAPMS are mixed mutually, obtain precursor mixture; Precursor mixture is put into reactor 150 DEG C reaction 5h, be then cooled to room temperature, obtain the suspension liquid of pressed powder;
(2) suspension liquid is put into whizzer, with the centrifugation 30min of 10000r/min, also use petroleum ether 3 ~ 5 times after removing supernatant liquid, filter rear 60 DEG C of dryings and obtain CDs/SiO
2composite fluorescence nano material pressed powder.
Embodiment 2
(1) 1.0g Trisodium Citrate and 10mL silane coupling A EAPMS are mixed mutually, obtain precursor mixture; Precursor mixture is put into reactor 180 DEG C reaction 6h, be then cooled to room temperature, obtain the suspension liquid of pressed powder;
(2) suspension liquid is put into whizzer, with the centrifugation 60min of 15000r/min, also use petroleum ether 3 ~ 5 times after removing supernatant liquid, filter rear 60 DEG C of dryings and obtain CDs/SiO
2composite fluorescence nano material pressed powder.
Embodiment 3
(1) 1.0g Trisodium Citrate and 10mL silane coupling A EAPMS are mixed mutually, obtain precursor mixture; Precursor mixture is put into reactor 200 DEG C reaction 5h, be then cooled to room temperature, obtain the suspension liquid of pressed powder;
(2) suspension liquid is put into whizzer, with the centrifugation 60min of 15000r/min, also use petroleum ether 3 ~ 5 times after removing supernatant liquid, filter rear 60 DEG C of dryings and obtain CDs/SiO
2composite fluorescence nano material pressed powder, weighs as 0.93g.
(3) to the CDs/SiO prepared
2composite fluorescence nano material carries out observing and testing, and the results are shown in Figure 1 ~ 7.
See Fig. 1, be the CDs/SiO of this enforcement preparation
2the infrared spectrogram of composite fluorescence nano material, the absorption as can be seen from Figure containing Si-O-Si or Si-O-CH key in material, indicates the existence containing Si in material.
See Fig. 2, be the CDs/SiO of this enforcement preparation
2the XPS spectrum figure of composite fluorescence nano material and its Si
2pspectrogram, obviously can find out the existence containing Si in material from figure.
See Fig. 3, be the CDs/SiO of this enforcement preparation
2the transmission electron microscope picture of composite fluorescence nano material and size distribution thereof, can know that its size of particles is about 5.8nm.
See Fig. 4, be the CDs/SiO of this enforcement preparation
2the exciting of composite fluorescence nano material, utilizing emitted light spectrogram and the picture under visible ray and ultraviolet lamp thereof, can know from figure, when excitation wavelength is 360nm, its fluorescent emission peak position is about 445nm.This with its ultraviolet lamp according under to launch strong blue light consistent.
See Fig. 5, be the CDs/SiO of this enforcement preparation
2the utilizing emitted light spectrogram of composite fluorescence nano material under different excitation wavelength, as can be seen from the figure, this material has fluorescence excitation pauper character, and what this and most of CDs had excites pauper character consistent.
See Fig. 6, be the CDs/SiO that solvent is prepared this enforcement
2the impact of composite fluorescence nano material luminescent properties, wherein the change of fluorescent signal is little, although the change in acetonitrile is maximum, but still is equivalent to 82% of fluorescence intensity in water.This illustrates that solvent is to CDs/SiO
2the impact of the fluorescence property of composite fluorescence nano material is less.
See Fig. 7, be the CDs/SiO that solvent is prepared this enforcement
2the impact of composite fluorescence nano material luminescent properties, its fluorescent signal is basicly stable, and the fluorescent signal when pH=6.0 is the strongest, and most High variation amplitude is only 6%.This illustrates that pH is to CDs/SiO
2the impact of the fluorescence property of composite fluorescence nano material is less.
Embodiment 4
(1) 1.0g Trisodium Citrate and 10mL silane coupling A EAPMS are mixed mutually, obtain precursor mixture; Precursor mixture is put into reactor 200 DEG C reaction 7h, be then cooled to room temperature, obtain the suspension liquid of pressed powder;
(2) suspension liquid is put into whizzer, with the centrifugation 60min of 15000r/min, also use petroleum ether 3 ~ 5 times after removing supernatant liquid, filter rear 60 DEG C of dryings and obtain CDs/SiO
2composite fluorescence nano material pressed powder.
Embodiment 5
(1) 1.0g Trisodium Citrate and 10mL silane coupling A EAPMS are mixed mutually, obtain precursor mixture; Precursor mixture is put into reactor 220 DEG C reaction 6h, be then cooled to room temperature, obtain the suspension liquid of pressed powder;
(2) suspension liquid is put into whizzer, with the centrifugation 60min of 15000r/min, also use petroleum ether 3 ~ 5 times after removing supernatant liquid, filter rear 60 DEG C of dryings and obtain CDs/SiO
2composite fluorescence nano material pressed powder.
Embodiment 6
(1) 1.0g Trisodium Citrate and 10mL silane coupling A EAPMS are mixed mutually, obtain precursor mixture; Precursor mixture is put into reactor 240 DEG C reaction 6h, be then cooled to room temperature, obtain the suspension liquid of pressed powder;
(2) suspension liquid is put into whizzer, with the centrifugation 60min of 15000r/min, also use petroleum ether 3 ~ 5 times after removing supernatant liquid, filter rear 60 DEG C of dryings and obtain CDs/SiO
2composite fluorescence nano material pressed powder.
Embodiment 7
(1) 1.0g Trisodium Citrate and 10mL silane coupling agent MTES are mixed mutually, obtain precursor mixture; Precursor mixture is put into reactor 200 DEG C reaction 5h, be then cooled to room temperature, obtain the suspension liquid of pressed powder;
(2) suspension liquid is put into whizzer, with the centrifugation 60min of 15000r/min, also use petroleum ether 3 ~ 5 times after removing supernatant liquid, filter rear 60 DEG C of dryings and obtain CDs/SiO
2composite fluorescence nano material pressed powder, weighs and obtains 0.91g.Carry out performance test to it, result is identical with embodiment 3.
Embodiment 8
(1) 1.0g Trisodium Citrate and 10mL silane coupling A PTES are mixed mutually, obtain precursor mixture; Precursor mixture is put into reactor 200 DEG C reaction 5h, be then cooled to room temperature, obtain the suspension liquid of pressed powder;
(2) suspension liquid is put into whizzer, with the centrifugation 30min of 10000r/min, also use petroleum ether 3 ~ 5 times after removing supernatant liquid, filter rear 60 DEG C of dryings and obtain CDs/SiO
2composite fluorescence nano material pressed powder, weighs and obtains 0.92g.Carry out performance test to it, result is identical with embodiment 3.
Embodiment 9
(1) 3.0g Trisodium Citrate and 30mL silane coupling A PTES are mixed mutually, obtain precursor mixture; Precursor mixture is put into reactor 200 DEG C reaction 5h, be then cooled to room temperature, obtain the suspension liquid of pressed powder;
(2) suspension liquid is put into whizzer, with the centrifugation 30min of 10000r/min, also use petroleum ether 3 ~ 5 times after removing supernatant liquid, filter rear 60 DEG C of dryings and obtain CDs/SiO
2composite fluorescence nano material pressed powder, weighs and obtains 2.75g.
Embodiment 10
(1) 5.0g Trisodium Citrate and 40mL silane coupling A PTES are mixed mutually, obtain precursor mixture; Precursor mixture is put into reactor 200 DEG C reaction 5h, be then cooled to room temperature, obtain the suspension liquid of pressed powder;
(2) suspension liquid is put into whizzer, with the centrifugation 30min of 10000r/min, also use petroleum ether 3 ~ 5 times after removing supernatant liquid, filter rear 60 DEG C of dryings and obtain CDs/SiO
2composite fluorescence nano material pressed powder, weighs and obtains 4.61g.
In above-described embodiment, silane coupling agent is except cited AEAPMS, METS and APTES, and can also replace with other silane coupling agents such as AEATMS or MPTES, effect is consistent.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from spirit of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a CDs/SiO
2one one-step preparation method of composite fluorescence nano material, is characterized in that the method is solvent-thermal method, comprises the following steps: by Trisodium Citrate and silane coupling agent mixing, reacting by heating, obtains suspension liquid, centrifugal, filters, obtains CDs/SiO
2composite fluorescence nano material.
2. CDs/SiO according to claim 1
2one one-step preparation method of composite fluorescence nano material, is characterized in that: the amount ratio of Trisodium Citrate used and silane coupling agent is (1 ~ 5) g:(10 ~ 40) mL.
3. CDs/SiO according to claim 1
2one one-step preparation method of composite fluorescence nano material, is characterized in that: described reacting by heating refers to reacting by heating 3 ~ 8h at 150 ~ 240 DEG C.
4. CDs/SiO according to claim 1
2one one-step preparation method of composite fluorescence nano material, is characterized in that: described reacting by heating refers to reacting by heating 5h at 200 DEG C.
5. CDs/SiO according to claim 1
2one one-step preparation method of composite fluorescence nano material, is characterized in that: described silane coupling agent comprises with at least one in silica-based amino silicane coupling agent, imino-silane coupling agent, epoxy silane coupling and the mercaptosilane coupling agents of 2 ~ 3 alcoxyls.
6. CDs/SiO according to claim 1
2one one-step preparation method of composite fluorescence nano material, is characterized in that: described silane coupling agent comprises N-(β-aminoethyl)-γ-aminopropyl-methyl dimethoxysilane, N-aminoethyl-γ-aminopropyl-Trimethoxy silane, 3-aminopropyl triethoxysilane, Union carbide A-162 and 3-and dredges at least one in alcohol radical propyl trimethoxy silicane.
7. CDs/SiO according to claim 1
2one one-step preparation method of composite fluorescence nano material, is characterized in that: described silane coupling agent is N-(β-aminoethyl)-γ-aminopropyl-methyl dimethoxysilane.
8. CDs/SiO according to claim 1
2one one-step preparation method of composite fluorescence nano material, is characterized in that: described centrifugal finger centrifugal 30 ~ 60min under the speed of 10000 ~ 15000r/min.
9. a CDs/SiO
2composite fluorescence nano material, is characterized in that the CDs/SiO according to any one of claim 1 ~ 8
2one one-step preparation method of composite fluorescence nano material obtains.
10. CDs/SiO according to claim 9
2the application of composite fluorescence nano material in photoelectricity, photochemical catalysis, sensing and agricultural use.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974326A (en) * | 2010-09-21 | 2011-02-16 | 上海大学 | Method for preparing novel fluorescent silica nanospheres |
| CN103078047A (en) * | 2013-01-28 | 2013-05-01 | 山东大学 | Silane functionalized carbon-dot excited white light emitting diode (LED) and preparation method thereof |
| CN103421495A (en) * | 2012-05-23 | 2013-12-04 | 中国科学院理化技术研究所 | Organic functional luminescent carbon quantum dots, preparation method therefor and applications thereof |
| CN104597014A (en) * | 2015-01-09 | 2015-05-06 | 盐城工学院 | Molecularly imprinted fluorescent sensor for detecting bisphenol A and preparation method of molecularly imprinted fluorescent sensor |
-
2015
- 2015-05-07 CN CN201510230398.2A patent/CN104830327B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974326A (en) * | 2010-09-21 | 2011-02-16 | 上海大学 | Method for preparing novel fluorescent silica nanospheres |
| CN103421495A (en) * | 2012-05-23 | 2013-12-04 | 中国科学院理化技术研究所 | Organic functional luminescent carbon quantum dots, preparation method therefor and applications thereof |
| CN103078047A (en) * | 2013-01-28 | 2013-05-01 | 山东大学 | Silane functionalized carbon-dot excited white light emitting diode (LED) and preparation method thereof |
| CN104597014A (en) * | 2015-01-09 | 2015-05-06 | 盐城工学院 | Molecularly imprinted fluorescent sensor for detecting bisphenol A and preparation method of molecularly imprinted fluorescent sensor |
Non-Patent Citations (1)
| Title |
|---|
| FU WANG 等: "Highly Luminescent Organosilane-Functionalized Carbon Dots", 《ADV. FUNCT. MATER.》 * |
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| CN115216293A (en) * | 2022-06-21 | 2022-10-21 | 中国科学院理化技术研究所 | SiO 2 Carbon/carbon point hybrid nano material and preparation method and application thereof |
| CN115216293B (en) * | 2022-06-21 | 2024-05-24 | 中国科学院理化技术研究所 | SiO2Carbon dot hybridization nano material, preparation method and application thereof |
| CN115219461A (en) * | 2022-06-29 | 2022-10-21 | 北京化工大学 | Method for simultaneously detecting melt flow rate and spherulite stress change in semi-crystalline polymer |
| CN115477942A (en) * | 2022-07-06 | 2022-12-16 | 上海理工大学 | Preparation method and application of solid-state fluorescent carbon dots |
| CN115975637A (en) * | 2023-01-06 | 2023-04-18 | 浙江大学 | High-temperature stable carbon nanodot @ silicon dioxide composite material and preparation method and application thereof |
| CN115975637B (en) * | 2023-01-06 | 2024-04-09 | 浙江大学 | Carbon nano dot@silicon dioxide composite material stable at high temperature and preparation method and application thereof |
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