A kind of ruthenium rare earth luminous using visible light photoactivated near-infrared-neodymium bimetallic polycomplexation
Close object and its preparation method and application
Technical field
The present invention relates to a kind of ruthenium rare earth luminous using visible light photoactivated near-infrared-neodymium bimetallic coordination polymer and its
Preparation method and purposes.
Background technique
Near-infrared rare earth luminescent material has sharp characteristic emission peak, good light stability and low toxin.These are special
Point is so that near-infrared rare earth luminescent material answering in terms of optical-fibre communications, laser system, bioanalysis sensing and biology
It is increasingly highlighted with value, causes the concern of vast scientific researchers.However, near-infrared rare earth ion is because of the 4f-4f that prohibits
Transition is difficult directly to excite near-infrared rare earth luminescence.Near-infrared rare earth constructs coordination polymer because excited level is lower
It has been everybody important research means that effectively sensitization near-infrared is rare earth luminous.
Many has been reported using the sensitization of simple organic ligand is near-infrared luminous, is sensitized obtained rare earth luminous efficiency in this way
It is general relatively low, and excite simple organic ligand sensitization near-infrared is rare earth luminous to use ultraviolet light, the relatively intense radiation of ultraviolet light
The application of rare-earth fluorescent is limited with to biology group disorganization.Herein, we select synthesis to introduce Ru functional motif
Rare earth luminous to be sensitized near-infrared, there is multiple energy level transition in Ru functional motif under light illumination, so as to absorb wide scope
Visible light, formed have sensitization performance excitation state, with the hot method of simple solvent obtain have utilize visible light photoactivated near-infrared
Rare earth luminous ruthenium-neodymium bimetallic coordination polymer material.
Summary of the invention
The purpose of the present invention is to provide a kind of ruthenium rare earth luminous using visible light photoactivated near-infrared-neodymium bimetallic coordinations
Polymer.
It is another object of the present invention to provide a kind of double gold of ruthenium-neodymium rare earth luminous using visible light photoactivated near-infrared
Belong to the preparation method of coordination polymer.
It is another object of the present invention to provide a kind of double gold of ruthenium-neodymium rare earth luminous using visible light photoactivated near-infrared
Belong to the purposes of coordination polymer.
The present invention includes following technical solution:
One) a kind of ruthenium rare earth luminous using visible light photoactivated near-infrared-neodymium bimetallic coordination polymer, the ruthenium-
The structural formula of neodymium bimetallic coordination polymer is { Nd2[Ru(dcbpy)3]}·2ClO4 -, wherein the dcbpy is 2,2- connection
Pyridine -4,4- dicarboxylic acid radical ion.
Further, a kind of ruthenium-neodymium bimetallic coordination polymer belongs to monoclinic system C2/c space group, its list
Born of the same parents' parameter are as follows:α=90, β=114.12,
γ=90, V=6311 (4).
Two) a kind of ruthenium rare earth luminous using visible light photoactivated near-infrared-neodymium bimetallic coordination polymer preparation method,
Using the solvent-thermal method preparation ruthenium-neodymium bimetallic organic coordination polymer, specifically comprise the following steps:
(1) Ru (H is prepared2dcbpy)3Cl2
Weigh RuCl3And H2Dcbpy is added in reaction kettle, and dense HCl solution is then added in a kettle again, then ultrasonic
30 minutes or more, make RuCl3And H2Dcbpy sufficiently dissolves;Finally reaction kettle is put into baking oven, setting temperature is 180~200
DEG C, reaction 3 days or more, solid is finally precipitated, is filtered, washed, dries, obtains Ru (H2dcbpy)3Cl2;The RuCl3With
H2The molar ratio of dcbpy and HCl is 1:2~3:1000~1200;
(2) { Nd is prepared2[Ru(dcbpy)3]}·2ClO4 -
With Nd (NO3)3With Ru (H2dcbpy)3Cl4For raw material, reaction flask is added at room temperature, then adds HClO4Solution,
After ultrasonic 30min or more, make Nd (NO3)3With Ru (H2dcbpy)3Cl4Sufficiently dissolution is finally putting into 70~120 DEG C of baking ovens anti-
It answers, after reaction 5~10 days, ruthenium-neodymium bimetallic metal coordinating polymer, the Nd (NO can be obtained3)3、Ru(H2dcbpy)3Cl4With HClO4Molar ratio is 1:1~2:1~2:80~120,
The concentrated hydrochloric acid that the HCl solution is 35%;The HClO4The concentration of solution is 6mol/L.
It is described using the rare earth luminous sensitized material of visible light photoactivated near-infrared by the New Ruthenium-neodymium bimetallic metal
Organic coordination polymer is prepared.
A kind of purposes of the ruthenium rare earth luminous using visible light photoactivated near-infrared-neodymium bimetallic coordination polymer, it is described
Ruthenium-neodymium bimetallic organic coordination polymer is used to prepare a kind of photosensitizer material rare earth luminous using visible light photoactivated near-infrared
Material.
A kind of photosensitive materials rare earth luminous using visible light photoactivated near-infrared, it is described a kind of using visible light photoactivated close
Infrared rare earth luminous photosensitive materials are prepared by ruthenium-neodymium bimetallic coordination polymer.
The beneficial effects of the present invention are:
1. growing { Nd2[Ru(dcbpy)3]}·2ClO4 -Crystal is readily synthesized, and simple solvent heat can be obtained;
2. crystalline material obtained has many advantages, such as the light absorption of wide scope in ultraviolet visible light region, light is stablized;
3. crystalline material table obtained goes out visible light photoactivated near-infrared rare earth Nd ionoluminescence performance.The present invention is effective
The luminous offer experimental technique basis of visible light photoactivated high efficiency rare-earth is able to achieve using the sun.
Detailed description of the invention
Fig. 1 is { Nd in the embodiment of the present invention 12[Ru(dcbpy)3]}·2ClO4 -The monocrystalline of material simulates powder xrd pattern.
Fig. 2 is { Nd in the embodiment of the present invention 12[Ru(dcbpy)3]}·2ClO4 -The test powders XRD diagram of material.
Fig. 3 is { Nd in the embodiment of the present invention 22[Ru(dcbpy)3]}·2ClO4 -The visible absorption spectrum figure of material.
Fig. 4 is { Nd in the embodiment of the present invention 32[Ru(dcbpy)3]}·2ClO4 -The characteristic luminescence figure of Ru primitive in material.
Fig. 5 is { Nd in the embodiment of the present invention 32[Ru(dcbpy)3]}·2ClO4 -The Nd ion characteristic hair being sensitized in material
Light figure.
Specific embodiment:
The present invention is further described below with reference to examples and drawings.As known to those skilled in the art, following embodiments are not
It is limiting the scope of the invention, any improvements and changes made on the basis of the present invention are all in protection model of the invention
Within enclosing.
Case study on implementation 1
Using solvent structure ruthenium-neodymium bimetallic organic coordination polymer, its steps are as follows:
(1)Ru(H2dcbpy)3Cl2
Weigh 1 mM of RuCl3With 2 mMs of H2Dcbpy is added in reaction kettle, is then added in a kettle again
1000 mMs of concentrated hydrochloric acid solution then ultrasound 30 minutes or more, dissolves it sufficiently;Reaction kettle is finally put into baking oven
In, setting temperature is 180 DEG C, reaction 3 days or more.
Solid is finally precipitated, is filtered, washed, dries, obtains Ru (dcbpy)3Cl2;
Reaction equation is as follows
RuCl3+3H2dcbpy→Ru(H2dcbpy)3Cl2+Cl-
(2){Nd2[Ru(dcbpy)3]}·2ClO4 -
With 1 mM of Nd (NO3)3With 1 mM of Ru (H2dcbpy)3Cl2For raw material, reaction flask is added at room temperature, then again
80 mMs of HClO is added4Solution after ultrasonic 30min or more, dissolves it sufficiently.It is finally putting into 70 DEG C of baking ovens and reacts.
After reaction 10 days, ruthenium-neodymium bimetallic metal coordinating polymer material { Nd can be obtained2[Ru(dcbpy)3]}·
2ClO4 -Crystal.
Reaction equation is as follows
2Nd(NO3)3+Ru(H2dcbpy)3Cl2+2HClO4→
{Nd2[Ru(dcbpy)3]}·2ClO4 -+6NO3 -+8H+
The concentrated hydrochloric acid that the HCl solution is 35%;The HClO4The concentration of solution is 6mol/L.
Single Crystal X-ray test is carried out to obtained product, obtains the X-ray analogue spectrums of monocrystalline as shown in Figure 1, Fig. 2 is
The test powders XRD diagram of crystal, Fig. 2 and Fig. 1 coincide.
Case study on implementation 2
Using solvent structure ruthenium-neodymium bimetallic organic coordination polymer, its steps are as follows:
(1)Ru(H2dcbpy)3Cl2
Weigh 1 mM of RuCl3With 3 mMs of H2Dcbpy is added in reaction kettle, is then added in a kettle again
1200 mMs of concentrated hydrochloric acid solution then ultrasound 30 minutes or more, dissolves it sufficiently;Reaction kettle is finally put into baking oven
In, setting temperature is 200 DEG C, reaction 3 days or more.
Solid is finally precipitated, is filtered, washed, dries, obtains Ru (dcbpy)3Cl2;
Reaction equation is as follows
RuCl3+3H2dcbpy→Ru(H2dcbpy)3Cl2+Cl-
(2){Nd2[Ru(dcbpy)3]}·2ClO4 -
With 1 mM of Nd (NO3)3With 2 mMs of Ru (H2dcbpy)3Cl2For raw material, reaction flask is added at room temperature, then again
120 mMs of HClO is added4Solution after ultrasonic 30min or more, dissolves it sufficiently.It is finally putting into 120 DEG C of baking ovens anti-
It answers.
After reaction 5 days, ruthenium-neodymium bimetallic metal coordinating polymer material { Nd can be obtained2[Ru(dcbpy)3]}·
2ClO4 -Crystal.
Reaction equation is as follows
2Nd(NO3)3+Ru(H2dcbpy)3Cl2+2HClO4→
{Nd2[Ru(dcbpy)3]}·2ClO4 -+6NO3 -+8H+
The concentrated hydrochloric acid that the HCl solution is 35%;The HClO4The concentration of solution is 6mol/L.
Single Crystal X-ray test is carried out to obtained product, obtains the X-ray analogue spectrums of monocrystalline as shown in Figure 1, Fig. 2 is
The test powders XRD diagram of crystal, Fig. 2 and Fig. 1 coincide.
Case study on implementation 3
Using solvent structure ruthenium-neodymium bimetallic organic coordination polymer, its steps are as follows:
(1)Ru(H2dcbpy)3Cl2
Weigh 1 mM of RuCl3With 2.3 mMs of H2Dcbpy is added in reaction kettle, is then added in a kettle again
1100 mMs of concentrated hydrochloric acid solution then ultrasound 30 minutes or more, dissolves it sufficiently;Reaction kettle is finally put into baking oven
In, setting temperature is 190 DEG C, reaction 3 days or more.
Solid is finally precipitated, is filtered, washed, dries, obtains Ru (dcbpy)3Cl2;
Reaction equation is as follows
RuCl3+3H2dcbpy→Ru(H2dcbpy)3Cl2+Cl-
(2){Nd2[Ru(dcbpy)3]}·2ClO4 -
With 2 mMs of Nd (NO3)3With 1 mM of Ru (H2dcbpy)3Cl2For raw material, reaction flask is added at room temperature, then again
100 mMs of HClO is added4Solution after ultrasonic 30min or more, dissolves it sufficiently.It is finally putting into 100 DEG C of baking ovens anti-
It answers.
After reaction 7 days, ruthenium-neodymium bimetallic metal coordinating polymer material { Nd can be obtained2[Ru(dcbpy)3]}·
2ClO4 -Crystal.
Reaction equation is as follows
2Nd(NO3)3+Ru(H2dcbpy)3Cl2+2HClO4→
{Nd2[Ru(dcbpy)3]}·2ClO4 -+6NO3 -+8H+
The concentrated hydrochloric acid that the HCl solution is 35%;The HClO4The concentration of solution is 6mol/L.
Single Crystal X-ray test is carried out to obtained product, obtains the X-ray analogue spectrums of monocrystalline as shown in Figure 1, Fig. 2 is
The test powders XRD diagram of crystal, Fig. 2 and Fig. 1 coincide.
Optical performance test:
The visible light absorption capacity of obtained polymer material is measured by its visible absorption spectrum.Utilize Perkin-
Light absorption of the Elmer Lambda 900UV/vis spectrometer test material from 300 to 650nm.If Fig. 3 is the present invention
Ruthenium-neodymium bimetallic coordination polymer { Nd2[Ru(dcbpy)3]}·2ClO4 -Optical absorption spectra, material is from 300 to 620nm wave band
Good absorption ability is shown, illustrates that there is good visible absorption, realizes visible light photoactivated near-infrared rare earth hair for it
Light provides experimental basis.
Photosensitizer performance test:
The luminescent properties of obtained polymer material are in Edinburgh FLS920 fluorescence
Spectrometer is measured, and is that ruthenium of the present invention-neodymium bimetallic is matched with the radiation of visible light polymer material of 480nm wavelength, such as Fig. 4
Position polymer { Nd2[Ru(dcbpy)3]}·2ClO4 -Middle Ru primitive characteristic luminescence spectrum.Its luminous intensity and without sensitization effect
Gd polymer in Ru primitive characteristic luminescence intensity it is many compared to reducing, illustrate ruthenium-neodymium bimetallic coordination polymer Ru base
Energy sensitization transfer has occurred in the excited level of member, successfully is detected characteristic fluorescence emission peak such as Fig. 5 of rare earth Nd ion, into
One step demonstrates visible light photoactivated transfer in material.
Above-mentioned specific embodiment is only explained in detail technical solution of the present invention, the present invention not only only office
Be limited to above-described embodiment, it will be understood by those skilled in the art that it is all according to above-mentioned principle and spirit on the basis of the present invention
It improves, substitution, it all should be within protection scope of the present invention.