CN102181932A - ZnxCd1-xTe fluorescent nano-bar and aqueous phase synthesis method thereof - Google Patents

ZnxCd1-xTe fluorescent nano-bar and aqueous phase synthesis method thereof Download PDF

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CN102181932A
CN102181932A CN 201110052016 CN201110052016A CN102181932A CN 102181932 A CN102181932 A CN 102181932A CN 201110052016 CN201110052016 CN 201110052016 CN 201110052016 A CN201110052016 A CN 201110052016A CN 102181932 A CN102181932 A CN 102181932A
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王琰
崔海信
姜建芳
孙长娇
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Institute of Environment and Sustainable Development in Agriculturem of CAAS
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Abstract

The invention relates to a ZnxCd1-xTe fluorescent nano-bar and an aqueous phase synthesis method thereof. The ZnxCd1-xTe fluorescent nano-bar is bar-shaped under transmission electron microscopy(TEM), and has the length of 20 to 300nm and the diameter of 10 to 80nm, wherein x is more than 0 and less than 1; and the nano-bar is mainly applied in the fields of biology, medical science and optoelectronic devices, for example, the nano-bar is used as a fluorescent probe in fluorometry, and the optical characteristics of the nano-bar are obviously higher than those of organic dyestuffs. The invention also provides an aqueous phase synthesis method for the ZnxCd1-xTe fluorescent nano-bar. In the method, dual stabilizers of thioglycollic acid and L-cysteine are introduced into aqueous solution containing inorganic salts of Zn and Cd, and the bar-shaped alloy-type ZnxCd1-xTe fluorescent nano-crystal is synthesized in the aqueous phase for the first time by regulating parameters related to the reaction.

Description

A kind of Zn xCd 1-xTe fluorescence nano rod and water phase synthesis method thereof
Technical field
The present invention relates to a kind of Zn xCd 1-xTe fluorescence nano rod, it is mainly used in biology and optical electron devices field.The invention still further relates to the water phase synthesis method of this fluorescence nano rod.
Background technology
Fluorescence nano is owing to have unique optical property, and the potential using value has caused numerous scientific workers' very big concern in fields such as biology, medical science, opto-electronic device.In fluorometry with nanocrystalline as fluorescent probe, its optical characteristics obviously is better than the organic dye used always.Nanocrystalline nano wire, nanometer rod, nanotube, the nano belt etc. of comprising of one-dimentional structure particularly, it not only has special propertys such as small-size effect, surface effects, quantum size effect and macro quanta tunnel effect, and have new quantum coupling effect and the synergistic effect that causes by the nanostructure combination, demonstrate excellent more optical property.
The method that synthesizing nanocrystalline is relatively more commonly used is synthetic in oil phase TOP-TOPO system at present, but because the employed organic solvent major part of this system is poisonous and unsettled, and the semiconductor nano for preparing in organic solvent is coated by non-water-soluble TOPO, and is not suitable for living things system.And if the molten molecule of the surface coated oil of semiconductor nano substituted by water soluble molecules, its luminous intensity can weaken greatly again (J.Am.Chem.Soc., 2000,122:12142).Simultaneously relatively harshness, reactions steps more complicated, cost height, toxicity are bigger for organic system synthesis method preparation condition, and the nanocrystalline synthetic method of therefore seeking a kind of highly effective and safe just is necessary very much.Aqueous phase synthesis method has favorable repeatability, and cost is low, the characteristics that toxicity is little, and it has improved nanocrystalline stability greatly, possesses good water-soluble and biologic applications (J.Phys.Chem.B, 2002,106:7177), be a kind of very promising synthetic method therefore.A kind of green, simple and easy, controlled, safe method and synthesis system thereof of synthesizing CdTe semiconductor fluorescence nanocrystalline material have been reported as Chinese patent application 200710055458.7.
CdTe is nanocrystalline to have the nanocrystalline typical properties of chalcogenide, can obtain using widely at biology and medical field as fluorescence labeling material by regulating the emission light that its particle diameter obtains different colours.But only realize the regulation and control of its optical property, limited the adjustability of its wavelength of transmitted light scope by the size that changes the bielement nano crystalline substance.Particularly in the time need obtaining the blue emission of some shortwaves, require the particle diameter of nanoparticle especially little, but the nanoparticle of small particle size (less than 2nm) is difficult to passivation, exist unsettled optical property (J.Am.Chem.Soc., 2003,125:8589).So far also there is simultaneously certain application limitation in nanocrystalline the synthetic of bielement nano crystalline substance that are confined to of the sulfur family of having reported more.
The ternary alloy nano material can make optical property wider modulated by the component of control material, and has caused scientist's concern.Bibliographical information the multiple method for preparing the ternary alloy nano crystalline substance, molecular beam epitaxy for example, Metalorganic Chemical Vapor Deposition, chemical molecular bundle sedimentation etc.The report for preparing alloy nanometer crystals with chemical process also is not a lot, reported the preparation method of CdHgTe and ZnCdSe ternary nanocrystals as Chinese patent application 200810049338.0, but it uses benzene, toluene, chloroform class material as reaction solvent, toxicity is bigger, and is water-soluble also bad with bio-compatibility.Usefulness hybrid metal cluster precursors such as DeGroot have prepared Zn xCd 1-xTe nanocrystalline [Chem.Eur.J., 2006,12:1547], synthetic in this way Zn xCd 1-xSynthesis temperature that the nanocrystalline needs of Te are higher and complicated synthesis step.The method of usefulness atomic layer epitaxies such as Viale has been synthesized Zn xCd 1-xTe nanocrystalline [Phys.Rev.B, 2004,69:115324].
More than these methods all can not obtain the ternary Zn of one-dimensional rod-like structure xCd 1-xThe Te fluorescence nano.Also be reported in aqueous phase equally, at present as yet and prepare bar-shaped Zn xCd 1-xThe method that Te is nanocrystalline.
Summary of the invention
The object of the invention is to provide a kind of Zn xCd 1-xTe fluorescence nano rod, described nanometer rod are to present bar-shapedly under transmission electron microscope (TEM), and its length is 20～300nm, and diameter is 10～80nm, wherein 0＜x＜1.Preferred its length is 30～200nm, and diameter is 20～50nm.Preferred its length-to-diameter ratio of described fluorescence nano rod is 1.2: 1～6: 1.
Zn provided by the invention xCd 1-xTe fluorescence nano rod belongs to the ternary nano material, is detected the successful doping of visible Zn by the XRD of different components.The document Yan Wang that associated viscera can have been delivered referring to the inventor, Journal ofCrystal Growth308 (2007) 19～25, the present invention is the more further investigation on this literature content basis.Represent in the document, under different zinc cadmium mole proportionings, prepare Zn xCd 1-xThe Te fluorescent nanosphere is along with the increase of Zn constituent content, Zn xCd 1-xThe nanocrystalline XRD diffraction peak of Te is shifted to the big angle gradually, this be since in the product the different atomic ratios of Zn and Cd element changed the crystalline unit cell parameters.The value of structure cell a axle and the linear relationship of nanocrystalline component x value illustrate our the synthetic Zn of institute xCd 1-xDo not exist during Te is nanocrystalline and be separated or CdTe the phenomenon of the independent nucleation of ZnTe.
Synthetic Zn of the present invention xCd 1-xTe fluorescence nano rod belongs to monodimension nanometer material, has good optical property and electrical properties.The adding of different amount zine ions is to product Zn xCd 1-xTe fluorescence nano rod optical property produces different influences, and its emission peak wavelength region adjustability enlarges, so the Zn of the present invention's preparation xCd 1-xThe Te nanometer rod has application prospect widely at biology and field of optoelectronic devices ratio nano ball.
In addition, research to monodimension nanometer material of gained of the present invention and preparation method thereof will help understanding crystalline nucleation and growth on atom or molecular level, to realizing on the molecular level design and making opto-electronic device and biosensor has important directive significance.The nanocrystalline of one-dimentional structure is applied in the photovoltaic device, can form more effective complete conduction band path by the ratio nano particle, more helps the transmission of electronics in the device.Studied the photovoltaic property of polymkeric substance CdSe system solar cell as people such as Alivisatos, they find to use the multiple device of CdSe nanometer rod to have better photovoltaic property than the multiple device that uses the CdSe nano particle, higher efficiency of conversion (Science, 2002,295:2425-2427).Based on this theory, how preparing high-quality monodimension nanometer material also becomes the problem that numerous scientific research persons are concerned about.
The present invention also provides a kind of Zn xCd 1-xThe water phase synthesis method of Te fluorescence nano rod comprises the steps:
A: the tellurium powder is joined in the excessive sodium borohydride aqueous solution, under protection of inert gas, make sodium hydrogen telluride solution;
B: with Zn (CH 3COO) 2.2H 2O and Cd (CH 3COO) 2.2H 2O is more soluble in water than the mol ratio of 1-x according to x, in the water-bath below 70 ℃ filling with inert gas more than 30 minutes to remove the dissolved oxygen in this mixed solution, 0＜x＜1 wherein;
C: under magnetic agitation and nitrogen protection, in step b gained solution, add two component stablizer Thiovanic acids and L-halfcystine, drip NaOH regulator solution pH=8～10;
D: according to tellurium and the certain mole proportioning of metal, the sodium hydrogen telluride solution among the step a is mixed with step c gained metal salt solution, heating reflux reaction 30～120min under 70-80 ℃ of nitrogen protection gets Zn xCd 1-xThe aqueous solution of Te fluorescence nano rod;
E: steps d gained solution cooling postprecipitation is centrifugal, and vacuum-drying obtains Zn under nitrogen protection xCd 1-xTe nanometer rod powder-product.
Preferably the described mol ratio in above-mentioned b step is 2: 8～8: 2, and described bath temperature is 60～70 ℃; Be 9 preferably at pH described in the above-mentioned c step; Described Thiovanic acid and L-halfcystine equimolar amount add; Preferably the mole proportioning at tellurium described in the above-mentioned d step and metal-salt is 1: 2; Described back flow reaction temperature is 75 ℃.
Provided by the invention at the synthetic Zn of aqueous phase xCd 1-xThe method of Te nanometer rod directly is dispersed in the precursor of Zn and Cd salt in the aqueous solution, avoids using the organic reactant of severe toxicity such as TOPO, reduces the toxicity and the cost of reaction system.With Thiovanic acid and L-halfcystine is stablizer, utilizes the bistable agent to control the growth velocity and the anisotropy of nanocrystalline different directions, thereby obtains the nanocrystalline of special appearance; Thiovanic acid and L-halfcystine serve as the reacted surface promoting agent simultaneously, the amino on L-halfcystine surface and carboxyl further assist the mercapto groups of Thiovanic acid that the combination position of metal ion is provided, play the nanocrystalline effect of passivation simultaneously, make product more stable.
Simultaneously, temperature of reaction system is not high in the present invention, and low temperature 70-80 ℃ of following reflux can obtain product, and preparation condition is realized easily.Therefore, it is simple that the inventive method has technology, and toxicity is little, favorable repeatability, advantage such as cost is low, and the optical property controlled range is big.
Among the present invention, back flow reaction temperature suitable in the d step is 70-80 ℃; If temperature is too low, will be unfavorable for the crystallization that reaction process is nanocrystalline, and then causes the pattern of product inhomogeneous; And if temperature is too high, then speed of reaction is too fast, is unfavorable for the anisotropy growth, thereby is unfavorable for obtaining the unidimensional nanorod structure.
Among the present invention,, can obtain the Zn that contains of different size and wavelength of transmitted light by regulating the reflux time in the d step xCd 1-xThe solution crude product of Te fluorescence nano rod; Reaction times is long more, and the nanometer rod size is big more.But if the reaction times surpasses 120 minutes, the effect of the macro nanometer rod that obtains is limited.
The present invention is with bar-shaped alloy-type Zn xCd 1-xThe Te fluorescence nano is synthetic target, by in the aqueous solution of two kinds of inorganic salt, introducing bistable agent Thiovanic acid and L-halfcystine, correlation parameter such as a series of simple operations such as temperature of reaction, time and stabilizing agent dosage of regulation and control entire reaction have synthesized bar-shaped alloy-type Zn at aqueous phase first xCd 1-xThe Te fluorescence nano.
Can also obtain the bar-shaped alloy-type Zn of different components and different optical character (emission peak of different wave length) by regulating the amount ratio x/1-x of Zn salt and Cd salt among the present invention xCd 1-xThe Te fluorescence nano.
Water phase synthesis method among the present invention can also be applied in the design and preparation of other ternary fluorescence nano material, can cause a series of developments with fluorescence nano of unique pattern.As Mn xCd 1-xThe water of Te ternary nano material is synthetic.
Description of drawings
Fig. 1 is the Zn of back flow reaction 30min gained among the embodiment 1 xCd 1-xThe TEM figure of Te fluorescence nano rod;
Fig. 2 is the Zn of back flow reaction 60min gained among the embodiment 2 xCd 1-xThe TEM figure of Te fluorescence nano rod;
Fig. 3 is the Zn of back flow reaction 120min gained among the embodiment 3 xCd 1-xThe TEM figure of Te fluorescence nano rod;
Fig. 4 is the Zn of gained among the embodiment 1 to 3 xCd 1-xThe fluorescence spectrum figure of Te fluorescence nano rod;
Fig. 5 is the Zn of back flow reaction 60min gained in the Comparative Examples 1 xCd 1-xThe TEM figure of Te fluorescent nanosphere;
Embodiment
Be preferred implementation of the present invention only below, protection scope of the present invention is not limited thereto, and any those skilled in the art can be easy to the change of carrying out or change be encompassed within protection scope of the present invention in technical scope disclosed by the invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Agents useful for same of the present invention is analytical pure.The pattern of nanocrystalline sample is by HITACHI H-700 transmission electron microscope observation.Emmission spectrum is tested the Flurolog-3 type fluorescence spectrophotometer that used instrument is a SPEX company among Fig. 4, selects for use 450nm as excitation wavelength.
Embodiment 1:
Synthesize Zn down through five step waters of a to e in the present embodiment xCd 1-xTe fluorescence nano rod.Wherein, a: get in the water that the 0.06g sodium borohydride is dissolved in 25ml, after logical nitrogen deoxygenation half an hour under the condition of ice-water bath, add 0.1g tellurium powder, under protection of inert gas, continue reaction and making sodium hydrogen telluride solution; B: with 0.292g Cd (CH 3COO) 2.2H 2O and 0.103gZn (CH 3COO) 2.2H 2O is promptly soluble in water according to Cd and Zn mol ratio 7: 3, and filling with inert gas half an hour is to remove the dissolved oxygen in this mixed solution in the 60-70 ℃ of water-bath; C: under magnetic agitation and nitrogen protection, the Thiovanic acid of adding 0.13ml and 0.228g L-halfcystine drip the NaOH solution of 1M, regulator solution pH=9 as stablizer in the solution of step b gained; D: the sodium hydrogen telluride solution among the step a is mixed with step c gained metal salt solution, and heating reflux reaction 30min under 75 ℃ of nitrogen protections of low temperature gets Zn xCd 1-xThe aqueous solution of Te nanometer rod; E: isopropanol precipitating is used in steps d gained solution cooling back, centrifugal, get the bottom resolution of precipitate and in the aqueous solution, obtain final product alloy-type Zn xCd 1-xThe clear solution of Te fluorescence nano, vacuum-drying obtains Zn under nitrogen protection xCd 1-xTe (x=0.3) nanometer rod powder-product.The TEM phenogram of product is seen Fig. 1, and its fluorescence spectrum figure sees Fig. 4.
Embodiment 2:
All the other synthesis steps are identical with embodiment 1; Different is that the reflux time in the d step is 60min.The TEM phenogram of product is seen Fig. 2, and its fluorescence spectrum figure sees Fig. 4.
Embodiment 3:
All the other synthesis steps are identical with embodiment 1; Different is that the reflux time in the d step is 120min.The TEM phenogram of product is seen Fig. 3, and its fluorescence spectrum figure sees Fig. 4.
From the sample transmission electron microscope photo of Fig. 1 to Fig. 3 as can be seen, the present invention is at the synthetic bar-shaped alloy-type Zn of the aqueous phase of 75 ℃ of low temperature xCd 1-xThe Te fluorescence nano, and the different reaction times can obtain the nanometer rod of different size, reaction is during 30min-120min, the length of nanometer rod can be controlled at 30-200nm, diameter can be controlled at 20-50nm.In addition, the sample topography that obtains among Fig. 1 to Fig. 3 is bar-shaped, illustrates that the sample of present method preparation can effectively be controlled pattern.
From the fluorescence spectrum figure of Fig. 4 as seen, along with the prolongation in reaction times, towards long wave emission peak 560nm red shift, all products all show high-intensity fluorescence to the emmission spectrum of product by short wavelength's emission peak 540nm.
Aforementioned three embodiment explanation can be controlled product Zn by controlling reaction time xCd 1-xMean sizes size and its wavelength of transmitted light of Te fluorescence nano rod.
Embodiment 4:
Still through synthetic Zn of five steps of water xCd 1-xTe fluorescence nano rod.Wherein, a: get in the water that the 0.06g sodium borohydride is dissolved in 25ml, after logical nitrogen deoxygenation half an hour under the condition of ice-water bath, add 0.1g tellurium powder, under protection of inert gas, continue reaction and making sodium hydrogen telluride solution; B: with 0.209g Cd (CH 3COO) 2.2H 2O and 0.172g Zn (CH 3COO) 2.2H 2O is promptly soluble in water according to Cd and Zn mol ratio 5: 5, and filling with inert gas half an hour is to remove the dissolved oxygen in this mixed solution in the 60-70 ℃ of water-bath; C: under magnetic agitation and nitrogen protection, the Thiovanic acid of adding 0.13ml and 0.228g L-halfcystine drip the NaOH solution of 1M, regulator solution pH=9 as stablizer in the solution of step b gained; D: the sodium hydrogen telluride solution among the step a is mixed with step c gained metal salt solution, and heating reflux reaction 30min under 75 ℃ of nitrogen protections of low temperature gets Zn xCd 1-xThe aqueous solution of Te nanometer rod; E: isopropanol precipitating is used in steps d gained solution cooling back, centrifugal, get the bottom resolution of precipitate and in the aqueous solution, obtain final product alloy-type Zn xCd 1-xThe clear solution of Te fluorescence nano, vacuum-drying obtains Zn under nitrogen protection xCd 1-xTe (x=0.5) nanometer rod powder-product.Fig. 1 that its TEM figure and embodiment 1 are corresponding is similar, thereby is not illustrated by drawings.
Comparative Examples 1:
This Comparative Examples is Zn xCd 1-xThe preparation of Te fluorescent nanosphere and TEM spectrogram thereof.Its preparation is also synthetic through five steps of water.Wherein, a: get in the water that the 0.06g sodium borohydride is dissolved in 25ml, after logical nitrogen deoxygenation half an hour under the condition of ice-water bath, add 0.1g tellurium powder, under protection of inert gas, continue reaction and making sodium hydrogen telluride solution; B: with 0.209g Cd (CH 3COO) 2.2H 2O and 0.172g Zn (CH 3COO) 2.2H 2O is promptly soluble in water according to Cd and Zn mol ratio 5: 5, and filling with inert gas half an hour is to remove the dissolved oxygen in this mixed solution in the 60-70 ℃ of water-bath; C: under magnetic agitation and nitrogen protection, the Thiovanic acid that adds 0.26ml in the solution of step b gained drips the NaOH solution of 1M, regulator solution pH=9 as stablizer; D: the sodium hydrogen telluride solution among the step a is mixed with step c gained metal salt solution, and heating reflux reaction 60min under 95 ℃ of nitrogen protections gets Zn xCd 1-xThe aqueous solution of Te nanometer ball; E: isopropanol precipitating is used in steps d gained solution cooling back, centrifugal, get the bottom resolution of precipitate and in the aqueous solution, obtain final product alloy-type Zn xCd 1-xThe clear solution of Te fluorescent nanosphere, vacuum-drying obtains Zn under nitrogen protection xCd 1-xTe (x=0.5) nanometer ball powder-product.The TEM phenogram of its nanometer ball product is seen Fig. 5.Product in this Comparative Examples is the good nanometer ball of monodispersity as seen from Figure 5, and its mean radius is 5-6nm.

Claims (10)

1. Zn xCd 1-xTe fluorescence nano rod is characterized in that, described nanometer rod is to present bar-shapedly under TEM, and its length is 20～300nm, and diameter is 10～80nm, wherein 0＜x＜1.
2. fluorescence nano rod according to claim 1 is characterized in that, its length is 30～200nm, and diameter is 20～50nm.
3. fluorescence nano rod according to claim 1 and 2 is characterized in that, its length-to-diameter ratio is 1.2: 1～6: 1.
4. Zn xCd 1-xThe water phase synthesis method of Te fluorescence nano rod comprises the steps:
A: the tellurium powder is joined in the excessive sodium borohydride aqueous solution, under protection of inert gas, make sodium hydrogen telluride solution;
B: with Zn (CH 3COO) 2.2H 2O and Cd (CH 3COO) 2.2H 2O is more soluble in water than the mol ratio of 1-x according to x, in the water-bath below 70 ℃ filling with inert gas more than 30 minutes to remove the dissolved oxygen in this mixed solution, 0＜x＜1 wherein;
C: under magnetic agitation and nitrogen protection, in step b gained solution, add two component stablizer coloured glaze guanidine-acetic acids and L-halfcystine, drip NaOH regulator solution pH=8～10;
D: according to tellurium and the certain mole proportioning of metal, the sodium hydrogen telluride solution among the step a is mixed with step c gained metal salt solution, heating reflux reaction 30～120min under 70-80 ℃ of nitrogen protection gets Zn xCd 1-xThe aqueous solution of Te fluorescence nano rod;
E: steps d gained solution cooling postprecipitation is centrifugal, and vacuum-drying obtains Zn under nitrogen protection xCd 1-xTe nanometer rod powder-product.
5. water phase synthesis method according to claim 4 is characterized in that, is 2: 8～8: 2 in mol ratio described in the b step, and described bath temperature is 60～70 ℃;
6. water phase synthesis method according to claim 4 is characterized in that, is 9 at pH described in the c step.
7. water phase synthesis method according to claim 4 is characterized in that, adds at Thiovanic acid described in the c step and L-halfcystine equimolar amount;
8. water phase synthesis method according to claim 4 is characterized in that, is 1: 2 in the mole proportioning of tellurium described in the d step and metal-salt.
9. water phase synthesis method according to claim 4 is characterized in that, is 75 ℃ in back flow reaction temperature described in the d step.
10. Zn xCd 1-xThe water phase synthesis method of Te fluorescence nano rod comprises the steps:
A: the tellurium powder is joined in the excessive sodium borohydride aqueous solution, under protection of inert gas, make sodium hydrogen telluride solution;
B: with Zn (CH 3COO) 2.2H 2O and Cd (CH 3COO) 2.2H 2O is soluble in water according to 2: 8～8: 2 mol ratio, and filling with inert gas 30 minutes is to remove the dissolved oxygen in this mixed solution in 60～70 ℃ water-bath;
C: under magnetic agitation and nitrogen protection, in step b gained solution, add the two component stablizer Thiovanic acids and the L-halfcystine of equimolar amount, drip NaOH regulator solution pH=9;
D: according to tellurium and metal molar proportioning is 1: 2, and the sodium hydrogen telluride solution among the step a is mixed with step c gained metal salt solution, and heating reflux reaction 30～120min under 75 ℃ of nitrogen protections gets Zn xCd 1-xThe aqueous solution of Te fluorescence nano rod;
E: steps d gained solution cooling postprecipitation is centrifugal, and vacuum-drying obtains Zn under nitrogen protection xCd 1-xTe nanometer rod powder-product.
CN 201110052016 2011-03-04 2011-03-04 ZnxCd1-xTe fluorescent nano-bar and aqueous phase synthesis method thereof Pending CN102181932A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104610971A (en) * 2014-05-06 2015-05-13 上海大学 Aqueous-phase preparation method of ZnTe quantum dots with high fluorescence yield
WO2018103629A1 (en) * 2016-12-09 2018-06-14 江南大学 Method for synthesizing chiral quantum rod based on circularly polarized light
EP3546545A1 (en) * 2018-03-27 2019-10-02 Consejo Superior De Investigaciones Científicas (CSIC) Process for obtaining quantum rods in water with enhanced fluorescence intensity

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
《Journal of Crystal Growth》 20070806 Yan Wang等 Synthesis and optical properties of composition-tunable and water-soluble ZnxCd1-xTe alloyed nanocrystals 第308卷, *
《中国博士学位论文全文数据库(电子期刊)》 20101231 梅芳 CdTe、CdHgTe纳米粒子的制备、修饰及在蛋白质检测中的应用 , 第7期 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104610971A (en) * 2014-05-06 2015-05-13 上海大学 Aqueous-phase preparation method of ZnTe quantum dots with high fluorescence yield
WO2018103629A1 (en) * 2016-12-09 2018-06-14 江南大学 Method for synthesizing chiral quantum rod based on circularly polarized light
EP3546545A1 (en) * 2018-03-27 2019-10-02 Consejo Superior De Investigaciones Científicas (CSIC) Process for obtaining quantum rods in water with enhanced fluorescence intensity

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Application publication date: 20110914