CN109929540A - A kind of nano particle and preparation method thereof and solar battery - Google Patents
A kind of nano particle and preparation method thereof and solar battery Download PDFInfo
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Abstract
The present invention discloses a kind of nano particle and preparation method thereof and solar battery, and method includes providing oil-soluble quantum dot；Oil-soluble quantum dot is surface modified using silane coupling agent, obtains the quantum dot of silane coupling agent modification, the general formula of the silane coupling agent is YSiX3, wherein X is alkoxy, and Y is non-hydrolytic group, and amido substituent group or mercapto substituent are contained in carbochain end in Y；The quantum dot that silane coupling agent is modified is mixed with Fullerol, crosslinks and reacts between the quantum dot for modifying silane coupling agent and Fullerol, the nano particle is prepared.The nano particle being prepared is prepared into the light absorbing layer of solar battery by the present invention, can not only save raw material, the Photocharge transfer efficiency that reduces cost, and can be effectively improved in light absorbing layer and then raising battery device transformation efficiency.
Description
Technical field
The present invention relates to technical field of solar batteries more particularly to a kind of nano particle and preparation method thereof and solar energy
Battery.
Background technique
Solar battery is very promising renewable energy, is expected to the energy crisis for solving to increasingly sharpen.Quantum dot is too
It is positive can battery belong to the third generation solar cell, due to its excellent characteristic can retainer member performance while also can be substantially
The manufacturing cost of solar battery is reduced, thus has become current one of forward position and hot subject.
Quantum dot is with unique properties, such as with the adjustable characteristic of band gap (such as CdSe, PbSe, InAs quantum dot),
The light absorption for capableing of improvement amount sub- point by adjusting band gap, improves the energy of exciting light, quantum dot can also generated more
Electric charge carrier.However the larger problem that quantum dot solar cell faces is how through a kind of effective mode
The electric charge carrier that quantum dot generates quickly is transferred to electrode tip.The prior art mainly utilize quantum dot and band gap compared with
Big metal oxide semiconductor material (TiO2、ZnO、SnO2) carry out, the exciton electric charge transfer that the quantum dot being stimulated generates arrives
The transfer that charge is realized in transmission is carried out in the conduction band of metal oxide nanoparticles.However in quantum dot and metal oxide
Interface, since there are more defect levels to generate stopping effect to the Photocharge transfer inside quantum dot at interface.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of nano particle and preparation method thereof with
Solar battery, it is intended to which the interface for solving existing quantum dot and oxide haves the defects that more, and energy level can be in quantum dot
The Photocharge transfer in portion leads to the problem of stopping effect.
Technical scheme is as follows:
A kind of preparation method of nano particle, wherein comprising steps of
Oil-soluble quantum dot is provided；
Oil-soluble quantum dot is surface modified using silane coupling agent, obtains the quantum dot of silane coupling agent modification, it is described
The general formula of silane coupling agent is YSiX3, wherein X is alkoxy, and Y is non-hydrolytic group, and amido substituent group is contained in carbochain end in Y
Or mercapto substituent；
The quantum dot that silane coupling agent is modified is mixed with Fullerol, between the quantum dot for modifying silane coupling agent and Fullerol
Reaction is crosslinked, the nano particle is prepared.
The preparation method of the nano particle, wherein the oil-soluble quantum dot is selected from Binary-phase oil-soluble quantum dot
One of with ternary phase oil-soluble quantum dot.
The preparation method of the nano particle, wherein the oil-soluble quantum dot is selected from Binary-phase oil-soluble quantum dot,
The Binary-phase oil-soluble quantum dot is selected from one of CdSe, CdTe, PbSe, PbS, AgS and HgS；
Or the oil-soluble quantum dot is selected from ternary phase oil-soluble quantum dot, the ternary phase oil-soluble quantum dot is selected from PbS/
One of CdS, PbSe/CdSe and CdTe/CdSe.
The preparation method of the nano particle, wherein contain ligand, the ligand in the surface of the oil-soluble quantum dot
Selected from one of oleic acid, oleyl amine, trioctylphosphine phosphorus and trioctylphosphine oxygen phosphorus.
The preparation method of the nano particle, wherein the silane coupling agent is selected from NH2(CH2)3Si(OCH3)3、NH2
(CH2)3Si(OC2H5)3、NH2(CH2)2NH(CH2)3Si(OCH3)3、NH2(CH2)2NH(CH2)3Si(OC2H5)3With SH (CH2)3Si
(OC2H5)3One of.
The preparation method of the nano particle, wherein surface is carried out to oil-soluble quantum dot using silane coupling agent and is repaired
In the step of decorations, by the quality and molar ratio of the oil-soluble quantum dot and the silane coupling agent be l00mg:(0.5 ~
2mmol), the oil-soluble quantum dot is mixed with the silane coupling agent.
The preparation method of the nano particle, wherein the general formula of the Fullerol is Cm(OH)n, wherein 28≤m≤
104,16≤n≤60, n < m.
The preparation method of the nano particle, wherein the Fullerol is C60(OH)36。
The preparation method of the nano particle, wherein by the Fullerol and the quantum dot of silane coupling agent modification
Mass ratio is (50 ~ 100mg): (100 ~ 200mg) mixes the quantum dot that silane coupling agent is modified with Fullerol.
A kind of nano particle, wherein including quantum dot and fullerene, pass through silicon between the quantum dot and the fullerene
Alkane coupling agent is connected, and described silane coupling agent one end passes through-Si-O- group in conjunction with the fullerene, the silane coupling agent
The other end by amido or sulfydryl in conjunction with the metallic element of quantum dot surface.
A kind of solar battery, the battery device include light absorbing layer, wherein the material of the light absorbing layer is this hair
The bright nano particle.
It is repaired the utility model has the advantages that the present invention is mutually converted to silane coupling agent to oil-soluble quantum dot using silane coupling agent
The quantum dot of decorations, then refines to fullerene, the quantum dot and Fullerol for finally modifying suitable silane coupling agent
The raw crosslinking of hybrid concurrency is carried out, the quantum dot nano-particle of fullerene cladding is finally prepared.It is received described in being prepared
Rice grain is prepared into the light absorbing layer of solar battery, can not only save raw material, reduces cost, and can be effectively improved light
Photocharge transfer efficiency and then raising battery device transformation efficiency in absorbed layer.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the preparation method embodiment of nano particle provided by the invention.
Fig. 2 is (MS (CH2)3SiO3)12C60Structural formula.
Specific embodiment
The present invention provides a kind of nano particle and preparation method thereof and solar battery, to make the purpose of the present invention, technology
Scheme and effect are clearer, clear, and the present invention is described in more detail below.It should be appreciated that described herein specific
Embodiment is only used to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 1 is a kind of flow chart of the preparation method embodiment of nano particle provided by the invention, such as
Shown in figure comprising step:
100, oil-soluble quantum dot is provided；
200, oil-soluble quantum dot is surface modified using silane coupling agent, obtains the quantum dot of silane coupling agent modification,
The silane coupling agent general formula be YSiX3, wherein X is alkoxy, and Y is non-hydrolytic group, and amido is contained in carbochain end in Y
Substituent group or mercapto substituent；
300, the quantum dot that silane coupling agent is modified is mixed with Fullerol, the quantum dot and Fullerol for modifying silane coupling agent
Between crosslink reaction, the nano particle is prepared.
The interface of existing quantum dot and metal oxide, since interface haves the defects that more, energy level can be to quantum dot
Internal Photocharge transfer generates stopping effect.In order to solve the above problems existing in the present technology, the present invention mainly improves it
Be in: nano particle is prepared using fullerene, silane coupling agent and quantum dot.Specifically: first with silane coupled
Agent is surface modified oil-soluble quantum dot, by being mutually converted to the quantum dot of silane coupling agent modification, then to richness
It strangles alkene to be refined, the quantum dot for finally modifying suitable silane coupling agent and Fullerol carry out the raw crosslinking of hybrid concurrency, most
The quantum dot nano-particle of fullerene cladding is prepared eventually.The nano particle being prepared is prepared into solar battery
Light absorbing layer, the be stimulated optical charge of generation of light absorbing layer can be quickly transferred at electrode, and then improve battery device
Energy conversion efficiency.The principle of charge fast transfer, which is described in detail, to be realized to nano particle of the present invention below.
Fullerene has preferable electronegativity, is since the lowest unoccupied molecular orbital (LUMO) of fullerene is triple letters
And tlu state make fullerene that there is higher electronegativity, can be good at receiving the electronegativity that fullerene is weakened in hole；It can
Receive electronics and forms the anion of negatively charged son.The structural symmetry of height combines with molecular orbit degeneracy, so that
Fullerene molecule has redox property very rich.
Silane coupling agent not only has the function of molecular bridge, and quantum dot and fullerene can effectively be made be crosslinked
Come, since the crosslinking of silane coupling agent can effectively be such that quantum dot metal nanoparticle and fullerene is contacted, while
It can make to form effective Ohmic contact between quantum dot and fullerene, be contacted to effectively reduce quantum dot with fullerene
The voltage drop of point.
Quantum dot light excitation after can generate electron hole pair, due to fullerene have redox characteristic simultaneously again
Because electrons and holes quickly and effectively can be transferred to electrode by Ohmic contact caused by combination of the silane coupling agent to the two
End, to improve the photoelectric conversion efficiency of device.
In step 100, the oil-soluble quantum dot can be prepared in the present invention by existing conventional method, can also be led to
It crosses and is commercially available the oil-soluble quantum dot.Wherein the launch wavelength of the oil-soluble quantum dot is greater than 650nm, and the oil is molten
The launch wavelength of property quantum dot is longer, and corresponding Bohr radius is bigger, is more easy to produce exciton dissociation.
Preferably, the oil-soluble quantum dot is in Binary-phase oil-soluble quantum dot and ternary phase oil-soluble quantum dot
It is a kind of.As an example, the Binary-phase oil-soluble quantum dot in CdSe, CdTe, PbSe, PbS, AgS and HgS etc. one
Kind, the ternary phase oil-soluble quantum dot is selected from one of PbS/CdS, PbSe/CdSe and CdTe/CdSe etc..The binary
Phase oil-soluble quantum dot and ternary phase oil-soluble quantum dot can be prepared using existing conventional method, no longer superfluous herein
It states.
Contain ligand in the surface of oil phase quantum dot of the present invention.Preferably, the ligand is selected from oleic acid (OA), oleyl amine
(OAm), one of trioctylphosphine phosphorus (TOP) and trioctylphosphine oxygen phosphorus (TOPO) etc..
In step 200, there are many type of the silane coupling agent, and general formula YSiX can be used3It indicates；Wherein X is alkoxy,
Y is non-hydrolytic group, is needed in non-hydrolytic group Y containing amido (NH2) or sulfydryl (- HS) can be with oil-soluble quantum dot
Surface atom is bonded, and dehydration formation-Si-O- group is carried out between X and Fullerol, realizes quantum dot and fullerene phase
Even.Preferably, the silane coupling agent is selected from γ-aminopropyltrimethoxysilane (molecular formula NH2(CH2)3Si(OCH3)3, letter
Referred to as KH-540), aminopropyl triethoxysilane (molecular formula NH2(CH2)3Si(OC2H5)3, referred to as KH-550), N- (β-
Aminoethyl)-gamma-aminopropyl-triethoxy-silane (molecular formula NH2(CH2)2NH(CH2)3Si(OC2H5)3, referred to as KH-791),
N- (β-aminoethyl)-γ-aminopropyltrimethoxysilane (molecular formula NH2(CH2)2NH(CH2)3Si(OCH3)3, referred to as KH-
792) (molecular formula is SH (CH with gamma-mercaptopropyltriethoxysilane2)3Si(OC2H5)3One of, referred to as KH-580) etc..
It is further preferred that the silane coupling agent is selected from KH-540 or KH-580.
Step 200 specifically includes step: preparing oil-soluble quantum dot solution and the silane coupler solution in alkalinity respectively；
Prepared oil-soluble quantum dot solution and silane coupler solution are mixed, and quickly stirred to being uniformly mixed, silane is obtained
The quantum dot of coupling agent modification.Wherein the solvent in the oil-soluble quantum dot solution is selected from nonpolar solvent, such as chloroform, chlorine
Benzene, toluene etc. are without being limited thereto.It is without being limited thereto that solvent in the silane coupler solution is selected from ethyl alcohol, methanol etc..The present invention adopts
Oil-soluble quantum dot is mutually converted with silane coupling agent, obtains the quantum dot of silane coupling agent modification.Below to the silicon
Reaction mechanism between alkane coupling agent and oil-soluble quantum dot is described in detail.
The metallic element of the oil-soluble quantum dot surface is in conjunction with amido or sulfydryl in silane coupling agent, to obtain
The quantum dot of silane coupling agent modification.Specifically by taking silane coupling agent KH-580 as an example, the metallic element of oil-soluble quantum dot surface
It is indicated with M, the chemical reaction carried out between the silane coupling agent and oil-soluble quantum dot is as follows:
SH(CH2)3Si(OC2H5)3+3H2OSH(CH2)3Si(OH)3+3C2H5OH；
SH(CH2)3Si(OH)3+ M+OH- MS(CH2)3Si(OH)3+H2O；
MS(CH2)3Si(OH)3Structural formula it is as shown in Figure 2.
Preferably, the quality mole dosage relation extents of the oil-soluble quantum dot and silane coupling agent are l00mg:(0.5
~ 2mmol).This is because excessively high exchange is insufficient, too low extra silane coupling agent can mutually wind influence subsequent use.
The chemical reaction of silane coupling agent of the present invention and oil-soluble quantum dot surface metallic element is needed in alkaline ring
It is carried out in border, preferred pH value range is between 8 ~ 10, because the excessively high too fast influence of reaction of pH value exchanges effect, the too low friendship of pH value
It changes insufficient.Specifically, the present invention can be using tetramethylammonium hydroxide, tetrabutylammonium hydroxide (TBAH) etc. to silane coupled
The pH value of agent solution is adjusted.
Step 300 specifically includes: fullerene is refined using Conventional catalytic alkaline process, obtain surface contain it is as more as possible
The Fullerol of hydroxyl.Catalysis alkaline process is the prior art, and details are not described herein for detailed preparation process.I.e. Fullerol is fowler
The derivative of alkene is to introduce hydroxyl on the carbon of fullerene by chemical method to obtain.Synthetic method difference, reaction condition are not
Equally, the number of the hydroxyl of introducing will be different.The present invention is to obtain the Fullerol using Conventional catalytic alkaline process.
The fullerene can be prepared by existing conventional method in the present invention, can also be by being commercially available the richness
Strangle alkene.The electric conductivity of fullerene of the present invention is better than metal (such as copper), and the fullerene has stronger electron characteristic, will be this
Substance after fullerene and metal nanoparticle with excellent electron characteristic are compound, electric conductivity are both better than metal nano
The electric conductivity of grain is better than the electric conductivity of fullerene again.
Foundation of the fullerene with superior electrical conductivity (electron characteristic) is: conjugated carbon atoms collimation influences hydridization
Track sp2, the sp track of an acquisition p electronics.Interlinking for p track obtains expanding compared to Internal Spherical Surface (carbon in spherical outside surface
With the connection of sp hybridized orbit between atom, another p electronics forms pi bond two-by-two, and there are also the complicated π-π that pi-electron forms approximate ball
Conjugated system).
The fullerene has preferable electronegativity, is the lowest unoccupied molecular orbital (LUMO) due to fullerene, is
The tlu state of three-fold degeneracy makes fullerene have higher electronegativity, can be good at receiving the electronegativity that fullerene is weakened in hole；
It can receive electronics and form the anion of negatively charged son.The structural symmetry of height rises in conjunction with molecular orbit degeneracy
Come, so that fullerene molecule has redox property very rich.
The general formula of the fullerene is Cm, wherein 28≤m≤104.Preferably, the fullerene is selected from C28、C60、C70、
C76、C78、C82、C84、C88、C90、C96、C100And C104One of Deng.It is further preferred that the fullerene is selected from C60Or C70。
The hydroxyl on the Fullerol surface shows elecrtonegativity, influences on the good electric conductivity (electron donor) of fullerene itself
It is smaller.The Fullerol can be dissolved in polar solvent, such as methanol, ethyl alcohol, water are without being limited thereto.
The general formula of Fullerol of the present invention is Cm(OH)n, wherein 28≤m≤104,16≤n≤60, n < m.In order to make richness
Strangling alcohol has preferable dissolubility, and the range of hydroxyl (- OH) number is 50% < n/m < 70%, and most preferred Fullerol is C60(OH)36。
Step 300 specifically includes: the quantum dot of silane coupling agent modification and Fullerol being mixed in solvent, and stirred
Under the conditions of make silane coupling agent modify quantum dot and Fullerol carry out 30 ~ 60min of cross-linking reaction, nano particle is prepared.
Preferably, reaction condition carries out under atmospheric environment, and is stirred at room temperature.Below to silane coupling agent modification
Reaction mechanism between quantum dot and Fullerol is described in detail.
It is C with Fullerol60(OH)36, the quantum dot of silane coupling agent modification is MS (CH2)3Si(OH)3Citing, the silicon
The chemical reaction carried out between the quantum dot and Fullerol of the modification of alkane coupling agent is as follows:
12 MS(CH2)3Si(OH)3 + C60(OH)36 (MS(CH2)3SiO3)12C60 + 36H2O；
(MS(CH2)3SiO3)12C60Structural formula it is as shown in Figure 2.
Preferably, the Fullerol and the dosage relation range of the quantum dot of silane coupling agent modification are (50 ~ 100mg):
(100 ~ 200mg), this is because too low Fullerol can make quantum dot cannot get the abundant package of Fullerol, excessive fowler
Alcohol will affect the performance of nano particle.
Preferably, the solvent of reaction can be selected from one of methanol and ethyl alcohol.
Preferably, the nano particle (such as above-mentioned (MS (CH being prepared2)3SiO3)12C60) can by add precipitating reagent,
Then it is obtained by the conventional means of being centrifuged at a high speed.
The present invention also provides a kind of solar battery, the solar battery is quantum dot sensitized solar battery, described
Quantum dot sensitized solar battery includes light absorbing layer, wherein the material of the light absorbing layer is what the method for the present invention was prepared
Nano particle.Specifically the nano particle can be made by light absorbing layer using the method for printing or coating.Utilize institute of the present invention
The light absorbing layer that nano particle is prepared is stated, the Photocharge transfer of battery device can be effectively improved, and then improve battery device
The photoelectric conversion efficiency of part.
The invention firstly uses suitable silane coupling agents to be mutually converted to silane coupling agent to oil-soluble quantum dot
The quantum dot of modification, then refines to fullerene, the quantum dot and fowler for finally modifying suitable silane coupling agent
Alcohol is mixed and is crosslinked, and the quantum dot nano-particle of fullerene cladding is finally prepared.The nano particle that will be prepared
It is prepared into the light absorbing layer of solar battery by the method printed or be coated with, can not only save raw material, reduce cost, and
And the Photocharge transfer efficiency in quantum dot light absorbed layer (i.e. light absorbing layer) can be effectively improved and then improve battery device and turned
Change efficiency.
Below by embodiment, the present invention is described in detail.
The present embodiment is to utilize CdSe quantum dot, C60, KH-580 be primary raw material prepare CdSe (S (CH2)3SiO3)12C60
For describe in detail.
1, the preparation method of the CdSe of silane coupling agent modification, comprising the following steps:
1) oil-soluble CdSe quantum dot (surface ligand OA), is prepared by conventional oily phase synthesi, launch wavelength is greater than
650nm；
2) CdSe quantum dot for, taking 100mg to prepare is dissolved in the toluene of 2mL, and the coupling agent KH-580 of 1mmol is taken to be dispersed in
In the ethyl alcohol of 2mL and the pH to 9 that tetramethyl ammonium hydroxide solution adjusts solution is added, then by quantum dot solution and coupling agent
Solution is mixed and is quickly stirred, until quantum dot solution is all dissolved in ethanol solution；
3) ethyl acetate that 5mL, is added into mixed liquor is precipitated, is centrifugally separating to obtain the CdSe that coupling agent KH-580 is modified
Then quantum dot carries out vacuum drying treatment.
2, Fullerol { C60(OH)36Preparation method, comprising the following steps:
1) NaOH solution of 10mL (20mmol/mL), is added in flask, 0.5mL (10%) tetrabutylammonium hydroxide TBAH is added dropwise
Solution.With vigorous stirring, 12mL is added dropwise and contains 20mg C60Toluene solution, then the H of 1mL (30%) is added dropwise2O2Solution,
Continue to be stirred to react 2 hours；
2) it, stands, reaction mixture is divided into two layers, and upper layer is colourless organic phase, and lower layer is the water phase of brownish black.Liquid separation point
From being filtered to remove water phase insoluble matter, obtain dark brown solution；
3) methanol, is added, precipitating (khaki) is precipitated, is centrifuged off methanol；Add water to dissolve precipitating, adds methanol and be allowed to heavy
It forms sediment, 3 times repeatedly, until NaOH and TBAH are washed away completely.By gained precipitating room temperature vacuum drying, it is dissolved in water, places hydrolysis
24h.Add methanol to make Precipitation, is centrifuged off methanol, again with methanol washing precipitating 2 times, vacuum is dry at room temperature for obtained solid
It is dry, obtain brownish black product, i.e. Fullerol C60(OH)36。
3 CdSe@(S(CH2)3SiO3)12C60The preparation method of nano particle, comprising the following steps:
1) CdSe quantum dot for, taking the above-mentioned Fullerol prepared of 80mg and 150mg and coupling agent KH-580 to modify respectively, all
It is dissolved in the ethyl alcohol of 5mL, carries out mixing 40min, keep it sufficiently compound；
2), 5mL ethyl acetate is added into mixed liquor to be precipitated, be centrifugally separating to obtain CdSe@(S (CH2)3SiO3)12C60It receives
Then rice grain carries out vacuum drying treatment.
4, the preparation method of solar battery, comprising the following steps:
It is sequentially prepared hole transmission layer, light absorbing layer, electron transfer layer and electrode in clean transparent substrates, wherein the light
The material of absorbed layer is the CdSe@(S (CH that the present embodiment above method is prepared2)3SiO3)12C60Nano particle.
In conclusion the preparation method and solar battery of a kind of nano particle provided by the invention, the present invention utilizes silicon
Alkane coupling agent is mutually converted to the quantum dot of silane coupling agent modification to oil-soluble quantum dot, is then carried out to fullerene
Alcoholization, the quantum dot for finally modifying suitable silane coupling agent and Fullerol carry out the raw crosslinking of hybrid concurrency, are finally prepared into
The quantum dot nano-particle coated to fullerene.The nano particle being prepared is prepared into the light absorption of solar battery
Layer, can not only save raw material, the Photocharge transfer efficiency that reduces cost, and can be effectively improved in light absorbing layer mentions in turn
High battery device transformation efficiency.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (12)
1. a kind of preparation method of nano particle, which is characterized in that comprising steps of
Oil-soluble quantum dot is provided；
Oil-soluble quantum dot is surface modified using silane coupling agent, obtains the quantum dot of silane coupling agent modification, it is described
The general formula of silane coupling agent is YSiX3, wherein X is alkoxy, and Y is non-hydrolytic group, and amido substituent group is contained in carbochain end in Y
Or mercapto substituent；
The quantum dot that silane coupling agent is modified is mixed with Fullerol, between the quantum dot for modifying silane coupling agent and Fullerol
Reaction is crosslinked, the nano particle is prepared.
2. the preparation method of nano particle according to claim 1, which is characterized in that the oil-soluble quantum dot is selected from two
One of first phase oil-soluble quantum dot and ternary phase oil-soluble quantum dot.
3. the preparation method of nano particle according to claim 2, which is characterized in that the oil-soluble quantum dot is selected from two
First phase oil-soluble quantum dot, the Binary-phase oil-soluble quantum dot in CdSe, CdTe, PbSe, PbS, AgS and HgS one
Kind；
Or the oil-soluble quantum dot is selected from ternary phase oil-soluble quantum dot, the ternary phase oil-soluble quantum dot is selected from PbS/
One of CdS, PbSe/CdSe and CdTe/CdSe.
4. the preparation method of nano particle according to claim 1, which is characterized in that the surface of the oil-soluble quantum dot
It is combined with ligand, the ligand is selected from one of oleic acid, oleyl amine, trioctylphosphine phosphorus and trioctylphosphine oxygen phosphorus.
5. the preparation method of nano particle according to claim 1, which is characterized in that the silane coupling agent is selected from NH2
(CH2)3Si(OCH3)3、NH2(CH2)3Si(OC2H5)3、NH2(CH2)2NH(CH2)3Si(OCH3)3、NH2(CH2)2NH(CH2)3Si
(OC2H5)3With SH (CH2)3Si(OC2H5)3One of.
6. the preparation method of nano particle according to claim 1, which is characterized in that using silane coupling agent to oil-soluble
In the step of quantum dot is surface modified, the quality by the oil-soluble quantum dot and the silane coupling agent is with molar ratio
L00mg:(0.5 ~ 2mmol), the oil-soluble quantum dot is mixed with the silane coupling agent.
7. the preparation method of nano particle according to claim 1, which is characterized in that the general formula of the Fullerol is Cm
(OH)n, wherein 28≤m≤104,16≤n≤60, n < m.
8. the preparation method of nano particle according to claim 7, which is characterized in that the Fullerol is C60(OH)36。
9. the preparation method of nano particle according to claim 1, which is characterized in that by the Fullerol with it is silane coupled
The mass ratio of the quantum dot of agent modification is (50 ~ 100mg): (100 ~ 200mg), by the quantum dot and fowler of silane coupling agent modification
Alcohol mixing.
10. a kind of nano particle, which is characterized in that including quantum dot and fullerene, between the quantum dot and the fullerene
It is connected by silane coupling agent, described silane coupling agent one end passes through-Si-O- group in conjunction with the fullerene, the silane
The other end of coupling agent is by amido or sulfydryl in conjunction with the metallic element of quantum dot surface.
11. nano particle according to claim 10, which is characterized in that the silane coupling agent is selected from NH2(CH2)3Si
(OCH3)3、NH2(CH2)3Si(OC2H5)3、NH2(CH2)2NH(CH2)3Si(OCH3)3、NH2(CH2)2NH(CH2)3Si(OC2H5)3With
SH(CH2)3Si(OC2H5)3One of.
12. a kind of solar battery, the solar battery includes light absorbing layer, which is characterized in that the material of the light absorbing layer
Material includes the nano particle of claim 10 or 11.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111718709A (en) * | 2020-07-01 | 2020-09-29 | 合肥福纳科技有限公司 | Post-processing method and preparation method of quantum dots, prepared quantum dots and application |
| CN111994943A (en) * | 2020-08-10 | 2020-11-27 | 武汉大学 | Synthesis method of silanized zinc oxide quantum dots with uniform size |
| CN112745851A (en) * | 2019-10-30 | 2021-05-04 | Tcl集团股份有限公司 | Composite nano-particles and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921593A (en) * | 2009-06-10 | 2010-12-22 | 南开大学 | Preparation method of amino-containing aqueous CdSeS quantum dot |
| CN101952989A (en) * | 2007-12-28 | 2011-01-19 | 埃克斯-马赛第二大学 | Hybrid nanocomposite |
| CN105623644A (en) * | 2016-01-12 | 2016-06-01 | 苏州英芮诚生化科技有限公司 | Amino-modified water-soluble fluorescent quantum dot and preparation method thereof |
-
2017
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101952989A (en) * | 2007-12-28 | 2011-01-19 | 埃克斯-马赛第二大学 | Hybrid nanocomposite |
| CN101921593A (en) * | 2009-06-10 | 2010-12-22 | 南开大学 | Preparation method of amino-containing aqueous CdSeS quantum dot |
| CN105623644A (en) * | 2016-01-12 | 2016-06-01 | 苏州英芮诚生化科技有限公司 | Amino-modified water-soluble fluorescent quantum dot and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745851A (en) * | 2019-10-30 | 2021-05-04 | Tcl集团股份有限公司 | Composite nano-particles and preparation method and application thereof |
| CN111718709A (en) * | 2020-07-01 | 2020-09-29 | 合肥福纳科技有限公司 | Post-processing method and preparation method of quantum dots, prepared quantum dots and application |
| CN111994943A (en) * | 2020-08-10 | 2020-11-27 | 武汉大学 | Synthesis method of silanized zinc oxide quantum dots with uniform size |
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Application publication date: 20190625 |