CN104388077A - Silicon dioxide-filled nano-cluster composite material and preparation method and application thereof - Google Patents

Silicon dioxide-filled nano-cluster composite material and preparation method and application thereof Download PDF

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CN104388077A
CN104388077A CN201410602564.2A CN201410602564A CN104388077A CN 104388077 A CN104388077 A CN 104388077A CN 201410602564 A CN201410602564 A CN 201410602564A CN 104388077 A CN104388077 A CN 104388077A
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nanocluster
inorganic nano
matrix material
crystal
nano
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CN104388077B (en
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张铁锐
曹寅虎
吴骊珠
佟振合
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Technical Institute of Physics and Chemistry of CAS
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Technical Institute of Physics and Chemistry of CAS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Abstract

The invention discloses a silicon dioxide-filled nano-cluster composite material. The silicon dioxide-filled nano-cluster composite material comprises silicon dioxide and at least two types of inorganic nano-crystals, wherein one type is the inorganic nano-crystals with a surface plasma resonance effect, and the other type is the inorganic nano-crystals in overlapping absorption with the first type of the inorganic nano-crystals; the at least two types of the inorganic nano-crystals are assembled to obtain nano-clusters; the silicon dioxide is distributed in the whole nano-clusters to form the nano-cluster composite material; the particle size of the inorganic nano-crystals is 1-100nm; and the diameter of the nano-cluster composite material is 50-1000nm. The nano-cluster composite material has the advantages of simplicity, convenience, easiness in obtainment and adjustable size and composition, and further has important significance in actual application. The invention further discloses a method for preparing the silicon dioxide-filled nano-cluster composite material and application.

Description

A kind of silica-filled type nanocluster matrix material and its preparation method and application
Technical field
The present invention relates to nano material and preparation field thereof.More specifically, a kind of silica-filled type nanocluster matrix material and its preparation method and application is related to.
Background technology
Fast-developing nanometer science and technology has prepared diversified novel nano material.These nano materials overcome some defects of block materials, and show some new physics and chemistry character, all show huge application prospect in a lot of field.But single nano material also shows some shortcomings simultaneously, such as most of nano material comprises the nano materials such as metal nano material, magnetic Nano material and quantum dot and is difficult to Direct Uniform dispersion in aqueous, and makes it apply to be very limited.In addition, easily there is corrosion reaction in a lot of quantum dot and metal oxide nano-material in acid condition, and loss of stability.Thus, usually need at the coated a kind of more stable and material that can regulate and control further of these nano-material surfaces.Thus certain modification or functionalization are carried out to these nano materials and forms compound system.Silicon-dioxide, because it is nontoxic, transparent, hydrophilic and be easy to the character of uniquenesses such as modifying, makes the nano material of coated with silica have important application prospect (reference Y.Jin, A.Li at bio-imaging, biological monitoring, drug delivery, oncotherapy, the energy and catalytic field, S.G.Hazelton, S.Liang, C.L.John, P.D.Selid, D.T.Pierce, J.X.Zhao, Coordination ChemistryReviews, 2009,253,2998 – 3014; S.Liu, M.-Y.Han, Chem.Asian J.2010,5,36 – 45; ).At present, develop the method for coating of multiple silicon-dioxide, as Sto ¨ ber method and reverse micelle method etc., and can by changing different parameters to regulate and control (the reference A.Guerrero-Mart such as the thickness of coated with silica 1' nez, J.Pe ' rez-Juste, L.M.Liz-Marza ' n, Adv.Mater.2010,22,1182 – 1195; J.Wang, Z.H.Shah, S.Zhang, R.Lu, Nanoscale, 2014,6,4418 – 4437).But current method focuses mostly in the thickness changing outer coated with silica layer, and between coated nano particle, the regulation and control especially closely as (0-5 nanometer etc.) between nano particle also rarely have report.And to the character of nano material and application such as the aspects such as fluorescence, electronics and transmission ofenergy, there is material impact to the in-plant regulation and control of nano particle.
Therefore, develop a kind of easy, pervasive, can the compound system of coated with silica of spacing of nano particle of Effective Regulation significant.
Summary of the invention
One object of the present invention is to provide a kind of silica-filled type nanocluster matrix material, and this nanocluster matrix material has easy being easy to get, the characteristic that size is adjustable with composition, significant in actual applications.
Another object of the present invention is the preparation method providing a kind of silica-filled type nanocluster matrix material.
3rd object of the present invention is the application providing a kind of silica-filled type nanocluster matrix material.
For achieving the above object, the present invention adopts following technical proposals:
A kind of silica-filled type nanocluster matrix material, comprises silicon-dioxide and at least two kinds of inorganic nano-crystals, wherein a kind of inorganic nano-crystal for having surface plasmon resonance effect, the another kind of inorganic nano-crystal for having with it overlapping absorbance; Described at least two kinds of inorganic nano-crystals assembling obtains nanocluster; Described silicon-dioxide is distributed in whole nanocluster and forms nanocluster matrix material; The particle diameter of described inorganic nano-crystal is 1-100nm; The diameter of described nanocluster matrix material is 50-1000nm.
Preferably, the particle diameter of described inorganic nano-crystal is 3-20nm.
Preferably, the inorganic nano-crystal described in surface plasmon resonance effect is one or more in Au, Ag and Cu; More preferably, the inorganic nano-crystal described in surface plasmon resonance effect is Au.
Preferably, the inorganic nano-crystal described in overlapping absorbance is CdSe, CdS, CuSe, CuInS, Cu 2o and Fe 2o 3in one or more; More preferably, the inorganic nano-crystal described in overlapping absorbance is CdSe.
Preferably, described few two kinds of inorganic nano-crystals also comprise and have the synergistic inorganic nano-crystal of electric transmission; Preferably, the inorganic nano-crystal described in electric transmission effect is Pt, Pd, ZnO and TiO 2in one or more; More preferably, the inorganic nano-crystal described in electric transmission effect is TiO 2.
Preferably, the pattern of described inorganic nano-crystal is one or more in spherical, nanotube, nanometer rod, nanometer sheet, cubes and octahedron; More preferably, the pattern of described inorganic nano-crystal is spherical.
For reaching above-mentioned second object, the preparation method of a kind of silica-filled type nanocluster matrix material of the present invention, comprises the steps:
Silicon source and at least two kinds of inorganic nano-crystals are dispersed in oil-based solvent, wherein a kind of inorganic nano-crystal is the inorganic nano-crystal with surface plasmon resonance effect, another kind of inorganic nano-crystal is the inorganic nano-crystal with it with overlapping absorbance, forms oily dispersion;
This oily dispersion and water phase surfactant mixture are formed microemulsion;
Heating this microemulsion makes oil-based solvent evaporate completely, obtains aqueous liquid dispersion, then obtains nanocluster matrix material through separation, drying.
Preferably, described at least two kinds of inorganic nano-crystals also comprise and have the synergistic inorganic nano-crystal of electric transmission.
Preferably, the described concentration of inorganic nano-crystal in oily dispersion with surface plasmon resonance effect is 0.1-10mg/mL, the described concentration of inorganic nano-crystal in oily dispersion with overlapping absorbance is 1-50mg/mL, described to have the concentration of the synergistic inorganic nano-crystal of electric transmission in oily dispersion be 1-50mg/mL, and the addition in described silicon source and the volume ratio of oil-based solvent are 1:1000-1:10; The concentration of described water phase surfactant mixture is 0.1-20mg/mL.
Preferably, described silicon source is tetraethoxy and/or methyl silicate; More preferably, described silicon source is tetraethoxy.
Preferably, described oil-based solvent is the solvent that inorganic nano-crystal can be disperseed, and includes but not limited to one or more in toluene, dimethylbenzene, hexanaphthene, normal hexane, normal heptane, ether and tetrahydrofuran (THF); More preferably, described oil-based solvent is hexanaphthene.
Preferably, the volume ratio of the medium oil dispersion liquid of described microemulsion and water phase surfactant mixture is 1:100-1:8.
Preferably, the condition forming microemulsion is ultrasonic or stirs; More preferably, the condition forming microemulsion is ultrasonic.
Preferably, the temperature of heating is 323-363K, and more preferably, the temperature of heating is 343K.
Present invention also offers a kind of application of nanocluster of efficiency utilization surface plasmon resonance effect, comprise as the application of photocatalysis Decomposition aquatic products hydrogen catalyst or as the application strengthening fluorescence.
Beneficial effect of the present invention is as follows:
(1) silica-filled type nanocluster matrix material provided by the invention, simple and easy to get, the size of nanocluster, form controlled;
(2) the silica-filled type nanocluster matrix material prepared by the present invention has better photochemical catalyzing H2-producing capacity, in fluorescence intensity test, have better reinforced effects;
(3) preparation method of silica-filled type nanocluster matrix material provided by the invention, do not need to synthesize and there is the nanocrystalline of special construction, preparation method's mild condition, to be generally suitable for, be conducive to it actually to apply, in fields such as catalysis, sensing, biomedicines, there is great application prospect.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the silica-filled type Au/CdSe@SiO that embodiment 1 obtains 2the transmission electron microscope photo of nanocluster matrix material;
Fig. 2 is the silica-filled type Au/CdSe/TiO that embodiment 2 obtains 2@SiO 2the transmission electron microscope photo of nanocluster matrix material;
The silica-filled type Au/CdSe SiO that the different TEOS content of interpolation that Fig. 3 obtains for embodiment 4-8 obtains 2the fluorescence intensity contrast collection of illustrative plates of nanocluster matrix material;
The silica-filled type Au/CdSe SiO that the different TEOS content of interpolation that Fig. 4 obtains for embodiment 3-8 obtains 2the active comparison diagram of photocatalytic hydrogen production by water decomposition of nanocluster matrix material.
Embodiment
In order to be illustrated more clearly in the present invention, below in conjunction with preferred embodiments and drawings, the present invention is described further.Parts similar in accompanying drawing represent with identical Reference numeral.It will be appreciated by those skilled in the art that specifically described content is illustrative and nonrestrictive, should not limit the scope of the invention with this below.
Embodiment 1
A preparation method for silica-filled type nanocluster matrix material, comprises the following steps:
Under room temperature, 1ml is dispersed with tetraethoxy (TEOS), Au is nanocrystalline and CdSe is nanocrystalline hexanaphthene and 10ml sodium lauryl sulphate (SDS) aqueous solution and forms microemulsion under ultrasound condition, ultrasonic power is 20%, ultrasonic 5min.Wherein, the nanocrystalline particle diameter of Au is 9nm, and the concentration in hexanaphthene dispersion liquid is the nanocrystalline particle diameter of 1mg/ml, CdSe is 3nm, and the concentration in hexanaphthene dispersion liquid is 5mg/ml, TEOS addition is 100ul, and the concentration of sodium lauryl sulphate is 3mg/ml.
Microemulsion is heated 4h under 343K, and centrifugal, drying obtains silica-filled type Au/CdSe@SiO 2nanocluster matrix material.
Fig. 1 is the silica-filled type Au/CdSe@SiO obtained 2the electromicroscopic photograph of nanocluster matrix material, can find out Au/CdSe@SiO 2nanocluster matrix material is by SiO 2, the nanocrystalline and nanocrystalline composition of CdSe of Au, SiO 2be filled in whole Au/CdSe cluster, and Au/CdSe cluster is completely coated.Au/CdSe@SiO 2the size of nanocluster matrix material is about 100nm.
Embodiment 2
Repeat embodiment 1, its difference is only TiO 2nanocrystallinely join in hexanaphthene, TiO 2nanocrystalline particle diameter is 10nm, and the concentration in hexanaphthene dispersion liquid is 1mg/ml, can obtain silica-filled type Au/CdSe/TiO 2@SiO 2nanocluster matrix material.
By obtained silica-filled type Au/CdSe/TiO 2@SiO 2nanocluster matrix material transmission electron microscope characterizes, and Fig. 2 is the silica-filled type Au/CdSe/TiO obtained 2@SiO 2the electromicroscopic photograph of nanocluster matrix material, can find out Au/CdSe/TiO 2@SiO 2nanocluster matrix material is by SiO 2, Au is nanocrystalline, CdSe is nanocrystalline and TiO 2nanocrystalline composition, SiO 2be filled in whole Au/CdSe/TiO 2cluster, and by Au/CdSe/TiO 2cluster is completely coated.Au/CdSe/TiO 2@SiO 2the size of nanocluster matrix material is about 100nm.
Embodiment 3
Repeat embodiment 1, its difference is only that the addition of TEOS is 50ul, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 4
Repeat embodiment 1, its difference is only that the addition of TEOS is 20ul, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 5
Repeat embodiment 1, its difference is only that the addition of TEOS is 10ul, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 6
Repeat embodiment 1, its difference is only that the addition of TEOS is 5ul, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 7
Repeat embodiment 1, its difference is only that the addition of TEOS is 1ul, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 8
Repeat embodiment 1, its difference is only that the addition of TEOS is 0ul, can obtain Au/CdSe nanocluster matrix material.
The Au/CdSe@SiO of the different TEOS additions that embodiment 4-8 is obtained 2the fluorescence intensity spectrum of nanocluster matrix material contrasts, and comparing result as shown in Figure 3.Compared with Au/CdSe nanocluster matrix material, Au/CdSe@SiO 2the fluorescence intensity of nanocluster matrix material significantly improves, and can by change the addition of TEOS regulate and control Au and CdSe nanocrystalline between SiO 2thickness, thus regulation and control Au and CdSe nanocrystalline between interaction and its fluorescence intensity is changed.
The Au/CdSe@SiO of the different TEOS additions that embodiment 3-8 is obtained 2nanocluster matrix material is applied in the test of photocatalysis Decomposition aquatic products hydrogen, in the silica tube of 60mL, adds containing 10mg catalyzer and 0.15M Na 2s9H 2o and 0.25M Na 2sO 3the 20ml aqueous solution.In quartz test tube, logical nitrogen 30min gets rid of the sealing of oxygen blend rubber plug, and under agitation illumination 1h, light source is 300W xenon lamp, is less than the UV-light of 400nm with spectral filter filtering wavelength.With Shimadzu GC-2014 gas chromatograph for determination hydrogen generating quantity, produce hydrogen activity comparing result as shown in Figure 4.
Result shows, compared with Au/CdSe nanocluster matrix material, and Au/CdSe@SiO 2nanocluster matrix material has better photochemical catalyzing H2-producing capacity, and can by change the addition of TEOS regulate and control Au and CdSe nanocrystalline between SiO 2thickness, thus by regulation and control Au and CdSe nanocrystalline between interaction regulate and control Au/CdSe@SiO 2the H2-producing capacity of nanocluster matrix material.
Embodiment 9
Repeat embodiment 1, its difference is only to change size nanocrystalline for CdSe into 2.8nm, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 10
Repeat embodiment 1, its difference is only to change size nanocrystalline for CdSe into 5nm, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 11
Repeat embodiment 1, its difference is only to change concentration nanocrystalline for CdSe into 10mg/ml, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 12
Repeat embodiment 1, its difference is only to change concentration nanocrystalline for CdSe into 20mg/ml, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 13
Repeat embodiment 1, its difference is only to change hexanaphthene into normal hexane, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 14
Repeat embodiment 1, its difference is only to change ultrasonic power into 10%, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 15
Repeat embodiment 1, its difference is only to change ultrasonic power into 30%, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 16
Repeat embodiment 1, its difference is only to change ultrasonic time into 2min, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 17
Repeat embodiment 1, its difference is only to change ultrasonic time into 10min, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 18
Repeat embodiment 1, its difference is only to change stirring into by ultrasonic, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 19
Repeat embodiment 1, its difference is only to change churning time into 10min, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 20
Repeat embodiment 1, its difference is only to change churning time into 30min, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 21
Repeat embodiment 1, its difference is only to change sodium lauryl sulphate concentration into 0.3mg/ml, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 22
Repeat embodiment 1, its difference is only to change sodium lauryl sulphate concentration into 5mg/ml, still can obtain Au/CdSe@SiO 2nanocluster matrix material.
Embodiment 23
Repeat embodiment 1, its difference is only that to change CdS into nanocrystalline by nanocrystalline for CdSe, can obtain Au/CdS@SiO 2nanocluster matrix material.
Embodiment 24
Repeat embodiment 1, its difference is only to change Cu into by nanocrystalline for CdSe 2o is nanocrystalline, can obtain Au/Cu 2o@SiO 2nanocluster matrix material.
Embodiment 25
Repeat embodiment 1, its difference is only that to change CuInS into nanocrystalline by nanocrystalline for CdSe, can obtain Au/CuInS@SiO 2nanocluster matrix material.
Embodiment 26
Repeat embodiment 1, its difference is only to change Fe into by nanocrystalline for CdSe 2o 3nanocrystalline, can Au/Fe be obtained 2o 3@SiO 2nanocluster matrix material.
Embodiment 27
Repeat embodiment 1, its difference is only to change CuSe nanometer rod into by nanocrystalline for CdSe, can obtain Au/CuSe@SiO 2nanocluster matrix material.
Embodiment 28
Repeat embodiment 2, its difference is only to change nanocrystalline for Au size into 6nm, still can obtain Au/CdSe/TiO 2@SiO 2nanocluster matrix material.
Embodiment 29
Repeat embodiment 2, its difference is only to change nanocrystalline for Au size into 3nm, still can obtain Au/CdSe/TiO 2@SiO 2nanocluster matrix material.
Embodiment 30
Repeat embodiment 2, its difference is only to change Fe into by nanocrystalline for CdSe 2o 3nanocrystalline, can Au/Fe be obtained 2o 3/ TiO 2@SiO 2nanocluster matrix material.
Embodiment 31
Repeat embodiment 2, its difference is only that to change Cu into nanocrystalline by nanocrystalline for Au, and to change CdS into nanocrystalline by nanocrystalline for CdSe, still will can obtain Cu/CdS/TiO 2nanocluster matrix material.
Embodiment 32
Repeat embodiment 2, its difference is only that to change Ag into nanocrystalline by nanocrystalline for Au, and to change CdS into nanocrystalline, by TiO by nanocrystalline for CdSe 2nanocrystallinely change ZnO nano crystalline substance into, still will can obtain Ag/CdS/ZnO nanocluster matrix material.
Embodiment 33
Repeat embodiment 2, its difference is only to change Cu into by nanocrystalline for CdSe 2o is nanocrystalline, still will can obtain Au/Cu 2o/TiO 2nanocluster matrix material.
Embodiment 34
Repeat embodiment 2, its difference is only that to change Ag into nanocrystalline by nanocrystalline for Au, changes Fe into by nanocrystalline for CdSe 2o 3nanocrystalline, by TiO 2nanocrystalline to change Pt into nanocrystalline, still will can obtain Ag/Fe 2o 3/ Pt nanocluster matrix material.
Embodiment 35
Repeat embodiment 2, its difference is only that to change Ag into nanocrystalline by nanocrystalline for Au, and to change CuInS into nanocrystalline, by TiO by nanocrystalline for CdSe 2nanocrystalline to change Pd into nanocrystalline, still will can obtain Ag/CuInS/Pd nanocluster matrix material.
Embodiment 36
Repeat embodiment 2, its difference is only nanocrystalline for nanocrystalline for the 9nm Au Au changing 50nm into, by nanocrystalline for nanocrystalline for the 3nm CdSe CdSe changing 4nm into, by 10nm TiO 2the nanocrystalline TiO changing 100nm into 2nanocrystalline, still can obtain Au/CdSe/TiO 2nanocluster matrix material.
Embodiment 37
Repeat embodiment 32, its difference is only nanocrystalline for nanocrystalline for the 9nm Ag Ag changing 50nm into, by nanocrystalline for nanocrystalline for the 3nm CdS CdS changing 20nm into, by brilliant for the ZnO nano that 10nm ZnO nano crystalline substance changes 100nm into, Ag/CdS/ZnO nanocluster matrix material still can be obtained.
Obviously; the above embodiment of the present invention is only for example of the present invention is clearly described; and be not the restriction to embodiments of the present invention; for those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here cannot give exhaustive to all embodiments, every belong to technical scheme of the present invention the apparent change of extending out or variation be still in the row of protection scope of the present invention.

Claims (10)

1. a silica-filled type nanocluster matrix material, it is characterized in that: comprise silicon-dioxide and at least two kinds of inorganic nano-crystals, wherein for having an inorganic nano-crystal for surface plasmon resonance effect, the another kind of inorganic nano-crystal for having with it overlapping absorbance; Described at least two kinds of inorganic nano-crystals assembling obtains nanocluster; Described silicon-dioxide is distributed in whole nanocluster and forms nanocluster matrix material; The particle diameter of described inorganic nano-crystal is 1-100nm; Preferably, the particle diameter of described inorganic nano-crystal is 3-20nm; The diameter of described nanocluster matrix material is 50-1000nm.
2. one according to claim 1 silica-filled type nanocluster matrix material, is characterized in that: described in there is surface plasmon resonance effect inorganic nano-crystal be one or more in Au, Ag and Cu.
3. one according to claim 1 silica-filled type nanocluster matrix material, is characterized in that: described in there is overlapping absorbance inorganic nano-crystal be CdSe, CdS, CuSe, CuInS, Cu 2o and Fe 2o 3in one or more.
4. one according to claim 1 silica-filled type nanocluster matrix material, is characterized in that: described at least two kinds of inorganic nano-crystals also comprise and have the synergistic inorganic nano-crystal of electric transmission; Preferably, having the synergistic inorganic nano-crystal of electric transmission described in is Pt, Pd, ZnO and TiO 2in one or more.
5. the preparation method of a kind of silica-filled type nanocluster matrix material as claimed in claim 1, is characterized in that, comprise the steps:
Silicon source and at least two kinds of inorganic nano-crystals are dispersed in oil-based solvent, wherein a kind of inorganic nano-crystal is the inorganic nano-crystal with surface plasmon resonance effect, another kind of inorganic nano-crystal is the inorganic nano-crystal with it with overlapping absorbance, forms oily dispersion;
This oily dispersion and water phase surfactant mixture are formed microemulsion;
Heating this microemulsion makes oil-based solvent evaporate completely, obtains aqueous liquid dispersion, then obtains nanocluster matrix material through separation, drying.
6. the preparation method of a kind of silica-filled type nanocluster matrix material according to claim 5, is characterized in that: described at least two kinds of inorganic nano-crystals also comprise and have the synergistic inorganic nano-crystal of electric transmission.
7. the preparation method of a kind of silica-filled type nanocluster matrix material according to claim 5 or 6, it is characterized in that: described in there is surface plasmon resonance effect the concentration of inorganic nano-crystal in oily dispersion be 0.1-10mg/mL, the described concentration of inorganic nano-crystal in oily dispersion with overlapping absorbance is 1-50mg/mL, described to have the concentration of the synergistic inorganic nano-crystal of electric transmission in oily dispersion be 1-50mg/mL, and the addition in described silicon source and the volume ratio of oil-based solvent are 1:1000-1:10; The concentration of described water phase surfactant mixture is 0.1-20mg/mL.
8. the preparation method of a kind of silica-filled type nanocluster matrix material according to claim 5, is characterized in that: described silicon source is tetraethoxy and/or methyl silicate; Preferably, described oil-based solvent is one or more in toluene, dimethylbenzene, hexanaphthene, normal hexane, normal heptane, ether and tetrahydrofuran (THF).
9. the preparation method of a kind of silica-filled type nanocluster matrix material according to claim 5, is characterized in that: the volume ratio of the medium oil dispersion liquid of described microemulsion and water phase surfactant mixture is 1:100-1:8; Preferably, the condition forming microemulsion is ultrasonic or stirs; Preferably, the temperature of heating is 323-363K.
10. the nanocluster matrix material as described in any one of claim 1-4 is as the application of photocatalysis Decomposition aquatic products hydrogen catalyst or as the application strengthening fluorescence.
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