CN105820194B - A kind of organic metal cobalt (II) complex luminescent material and preparation method thereof - Google Patents
A kind of organic metal cobalt (II) complex luminescent material and preparation method thereof Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 35
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 title claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title abstract description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical compound N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 claims abstract description 18
- GWZCCUDJHOGOSO-UHFFFAOYSA-N diphenic acid Chemical compound OC(=O)C1=CC=CC=C1C1=CC=CC=C1C(O)=O GWZCCUDJHOGOSO-UHFFFAOYSA-N 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000706 filtrate Substances 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 5
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 4
- 239000010941 cobalt Substances 0.000 claims abstract description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000002253 acid Substances 0.000 claims abstract description 3
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 3
- 239000011593 sulfur Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 21
- 235000019441 ethanol Nutrition 0.000 claims description 7
- 239000003755 preservative agent Substances 0.000 claims description 7
- 230000002335 preservative effect Effects 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000003446 ligand Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 125000002524 organometallic group Chemical group 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- HSSYVKMJJLDTKZ-UHFFFAOYSA-N 3-phenylphthalic acid Chemical compound OC(=O)C1=CC=CC(C=2C=CC=CC=2)=C1C(O)=O HSSYVKMJJLDTKZ-UHFFFAOYSA-N 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- ZHUXMBYIONRQQX-UHFFFAOYSA-N hydroxidodioxidocarbon(.) Chemical group [O]C(O)=O ZHUXMBYIONRQQX-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000005725 8-Hydroxyquinoline Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- -1 Cobalt (II) ion Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000004700 cobalt complex Chemical class 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 229920001795 coordination polymer Polymers 0.000 description 1
- 238000005564 crystal structure determination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/06—Cobalt compounds
- C07F15/065—Cobalt compounds without a metal-carbon linkage
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/18—Metal complexes
- C09K2211/187—Metal complexes of the iron group metals, i.e. Fe, Co or Ni
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Pyridine Compounds (AREA)
Abstract
The invention discloses a kind of organic metal cobalt (II) complex luminescent materials and preparation method thereof；Complex luminescent material has following chemical expression：[Co2(bipy)(dpa)2(H2O)5]·4H22,2 ' biphenyl dicarboxylic acid of O, dpa, 2,2 ' bipyridyls of bipy；The preparation method of complex luminescent material is：Sulfur acid cobalt, 2,2 ' biphenyl dicarboxylic acids and 2, the ethanol/water solution of 2 ' bipyridyls adjust pH value meta-alkalescence, are reacted, after the completion of reaction, be cooled to room temperature, and filter, and gained filtrate is crystallized by volatilizing, and obtains complex monocrystal；The preparation method is easy to operate, mild condition, yield are high；The complex luminescent material of preparation has a strong fluorescence emission peak (λ at 335nmex=379nm), available for preparing luminescent device, and the larger (λ of Stokes shiftex‑λem=44nm), it can be applied to fluoremetry.
Description
Technical field
The present invention relates to a kind of organic metal cobalt (II) complex luminescent materials and preparation method thereof, belong to luminescent material conjunction
Into field.
Technical background
Luminescent material is widely used to communication, satellite, radar, display, record, optical computer, probe biomolecule
Etc. high-tech areas.Wherein organometallic complex luminescent material due to fluorescence quantum efficiency it is higher, good film-forming property, be easy to
Purification, the features such as fusing point is higher, property is more stable, and organic molecule type is various, conducive to the design and assembly of luminescent material, thus
Such material is increasingly subject to the concern of researcher.Therefore, the organometallic complex luminescent material of synthesizing new is designed, studies it
Luminescent properties, it is non-that the relationship probed between structure and luminosity has become the area researches persons such as Coordinative Chemistry, material science
The subject being often keen to.
From 1987, Kodak C.H.Tang et al. 8-hydroxyquinoline aluminium-AlQ3It is fabricated to as luminescent layer
After organic electroluminescence device, people have just poured into high enthusiasm to the exploration of organometallic complex luminescent material.Transition
The research of metal complex luminescent material mostly concentrates on d10(such as Zn2+、Cu+、Ag+、Au+)、d8、Ru2+、Os2+And Ru3+Wait metals
The complex of ion, and have d7The Co of electron configuration2+Ion is usually used in the assembling research of magnetic material.
Frequently with high-temperature solid-phase sintering method, this method is most traditional for the preparation of luminescent material, and it is preferable to be made light effect,
But high energy consumption, product easily lump, and illumination effect attenuation is very big after crushing；The precipitation method, this method shortcoming be product shine
Brightness is not so good；Combustion method, this method has prospect very much, but the luminescent powder luminous intensity synthesized and brightness are only slightly better than solid-phase sintering
Method.
Invention content
In view of the defects existing in the prior art, an object of the present invention is to be that providing one kind has new ligands knot
Structure, and organic metal cobalt (II) complex hair for having hyperfluorescence emission peak, Stokes shift larger under ultraviolet excitation
Luminescent material.
Second object of the present invention be to provide it is a kind of it is easy to operate, reaction condition is mild, preparation at low cost institute
The method for stating organic metal cobalt (II) complex luminescent material, product object prepared by this method is mutually uniform, purity and yield compared with
It is high.
In order to realize above-mentioned technical purpose, the present invention provides a kind of organic metal cobalt (II) complex luminescent material,
With following chemical expression：[Co2(bipy)2(dpa)2(H2O)5]·4H2O, dpa 2,2 '-biphenyl dicarboxylic acid, bipy 2,
2 '-bipyridyl；
Belong to anorthic system, space group P-1；
Cell parameter is：α=
80.7730 (10) °, β=77.0650 (10) °, γ=85.9020 (10) °, Mr=431.45,Dc=
1.480g/cm3, Z=2, μ (MoK α)=0.767mm-1, F (000)=1112.
The present invention also provides a kind of method for preparing described organic metal cobalt (II) complex luminescent material, this method
It is sulfur acid cobalt, 2,2 '-biphenyl dicarboxylic acid and 2, the ethanol/water solution of 2 '-bipyridyl adjusts pH value meta-alkalescence, at 60~70 DEG C
At a temperature of react 8~10 hours, be cooled to room temperature, filter, gained filtrate by volatilize crystallize, obtain [Co2(bipy)2(dpa)2
(H2O)5]·4H2O monocrystalline.
Preferred scheme, cobaltous sulfate, 2,2 '-biphenyl dicarboxylic acid and 2, the molar ratio of 2 '-bipyridyl is 1~1.5:1.5~
2:1~2.
More preferably scheme, a concentration of 0.025~0.038mol/L of the cobaltous sulfate in the ethanol/water solution.
Preferred scheme, the volume ratio of ethyl alcohol and water is 1~2 in ethanol/water solution:1~1.5.
Preferred scheme, volatilization crystallization process are：Filtrate is contained in open-top receptacle, is closed and held with the preservative film with micropore
Device mouth makes solvent slowly volatilize at ambient temperature, until a large amount of crystal are precipitated.
For the preservative film that the present invention uses for conventional commercially available preservative film, the micropore on preservative film can prick hole by syringe needle.
Compared with the prior art, the advantageous effects that technical scheme of the present invention is brought：
Organic metal cobalt (II) complex of the present invention is by with d7Cobalt (II) ion of electron configuration and electron conjugated journey
It spends larger rigid ligand assembling to form, there is dual-core architecture.And special coordination environment, make organic metal cobalt (II) complex
With larger fluorescence property, cobalt (II) complex a concentration of 1.0 × 10-5mol.L-1When, in 379nm (λex) ultraviolet excitation
Under, occur stronger fluorescence emission peak at 335nm, can be widely applied to prepare luminescent device, and Stokes shift compared with
(λ greatlyex-λem=-44nm), it can be applied to fluoremetry.
The preparation of organic metal cobalt (II) complex of the present invention realized by one-pot synthesis method, have it is easy to operate,
The advantages of reaction condition is mild, obtained product object is mutually uniform, and purity and yield are high, and product grain fine uniform, separation
Purification is easy.
Description of the drawings
【Fig. 1】Luminescent material [the Co prepared for embodiment 12(bipy)2(dpa)2(H2O)5]·4H2The molecular structure of O；
【Fig. 2】Luminescent material [the Co prepared for embodiment 12(bipy)2(dpa)2(H2O)5]·4H2O at room temperature glimmering
Light emitting figure.
Specific embodiment
Specific examples below is intended to further illustrate the content of present invention rather than limits the protection of the claims in the present invention
Range.
Cobaltous sulfate, 2,2 '-biphenyl dicarboxylic acid, 2,2 '-bipyridyl, ethyl alcohol that the present invention uses etc. are commercially available chemistry examination
Agent.
The instrument that the present invention uses for：Magnetic force thermostat water bath；Bruker APEX-II CCD type single crystal diffractometers；Tianjin
Gangdong technology ＆ development Co. WGY210 type sepectrophotofluorometers.
Embodiment 1
1st, luminescent material [Co2(bipy)2(dpa)2(H2O)5].4H2The preparation of O：
It is by the amount ratio of substance：1:1.5:1 raw material CoSO4.7H2O (1mmol), biphenyl dicarboxylic acid (1.5mmol) and connection
Pyridine (1mmol), it is 1 to be dissolved in 40mL volume ratios:In 1 ethanol water, with the slightly biased alkalinity of ethylenediamine tune pH value, at 65 DEG C
After reaction 9 hours, cooled to room temperature after filtering, contains filtrate in open-top receptacle, with the preservative film closed container with micropore
Mouthful, solvent is made slowly to volatilize at ambient temperature, orange red crystal is precipitated after 4 weeks.Yield is 41.5%.
2nd, to material [Co2(bipy)2(dpa)2(H2O)5].4H2O carries out crystal structure determination：
Size of drawing materials is the monocrystalline of 0.18 × 0.17 × 0.15nm, in II CCD type monocrystalline of Bruker SMART APEX-
On diffractometer, it is light source with graphite monochromatised MoK α (λ=0.071073nm) radiation, determines the mono-crystalline structures of material.WithScan mode in 173 (2) K, collects 14008 diffracted intensity data altogether in the range of 2.16≤θ >=28.05, wherein
8473 independent point diffractions (Rint=0.0465), I>The observable point diffraction of 2 σ 6984.Using SHELXL-97 programs, by
Direct method analytic structure, is subject to refine with complete matrix least square method to structure, determines hydrogen atom in structure cell with theoretical hydrogenation method
In position.
Material molecule structure is shown in Fig. 1, and main bond distance, bond angle are shown in Table 1.Known by Fig. 1, complex minimum asymmetric cell is double
Core, by 2 Co2+, 2 dpa2-, 2 bipy, 9 H2O is formed, wherein 4 H2O is in free state.2 Co2+It is in six
In the octahedral environment of coordination, bridge ligand dpa2-Connect 2 Co2+, Co2+Spacing beCo (1) with 1
2 nitrogen-atoms of bipy, 2 dpa2-Each 1 carboxyl oxygen atom and 2 H22 oxygen atom ligands of O, form hexa-coordinate
Deform octoploids structure.Wherein N (1), N (2), O (10) and O (9) are in equatorial positions, and O (1) and O (5) are in axial position.
N (1)-Co (1)-N (2) in equatorial plane, N (1)-Co (1)-O (9), O (9)-Co (1)-O (10), O (10)-Co (1)-N
(2) bond angle is respectively 75.58 (8) °, and 93.00 (9) °, 100.71 (8) °, 90.79 (8) °, total bond angle is 360.17 °, with
360.0 ° are only deviating from 0.17 °, show N (1), N (2), O (10) and O (9) substantially in same plane.O (1) in axial position-
Co (1)-O (5) bond angle is 173.35 °, deviates 6.65 ° of rectilinear angle, illustrates that above-mentioned octahedron has distortion.Co (2) and 1 bipy's
2 nitrogen-atoms, 1 dpa2-1 carboxyl oxygen atom and 3 H23 oxygen atom ligands of O form the deformation octahedral of hexa-coordinate
Body configuration.Wherein N (3), N (4), O (12) and O (11) are in equatorial positions, and O (13) and O (7) are in axial position.In red
N (4)-Co (2)-N (3) of road plane, N (4)-Co (2)-O (12), O (12)-Co (2)-O (11), O (11)-Co (2)-N (3) key
Angle is respectively 77.39 (8) °, and 92.19 (8) °, 93.04 (8) °, 97.44 (8) °, total bond angle is 360.06 °, with 360.0 ° only partially
From 0.06 °, show N (3), N (4), O (12) and O (11) substantially in same plane.O (13)-Co (2)-O in axial position
(7) bond angle is 174.67 °, deviates 5.33 ° of rectilinear angle, illustrates that above-mentioned octahedron has distortion.
1 [Co of table2(bipy)2(dpa)2(H2O)5].4H2The main bond distance of OWith bond angle (°)
3rd, material [Co2(bipy)2(dpa)2(H2O)5].4H2The photoluminescent property of O measures：
At room temperature, complex is dissolved in methanol aqueous solution (volume ratio 1:1) in, make a concentration of 1.0 × 10-5mol.L-1
When, in 379nm (λex) ultraviolet excitation under, occur stronger fluorescence emission peak (see Fig. 2) at 335nm, compared in document [1]
The fluorescence intensity of dinuclear cobalt complex greatly increases；[1] Liu stops, Li Xu coordination polymers [Co2(C13H10NO2)4(4,4′-
bipy)2]nSynthesis, crystal structure, thermal stability and photoluminescent property Chinese Journal of Inorganic Chemistries, 2010,26 (4):677-681.
Embodiment 2
It is by the amount ratio of substance：1.2:1.5:1.5 raw material CoSO4.7H2O (1.2mmol), biphenyl dicarboxylic acid
(1.5mmol) and bipyridyl (1.5mmol), it is 1.2 to be dissolved in 40mL volume ratios:In 1 ethanol water, with ethylenediamine tune pH value
Slightly biased alkalinity, after being reacted 10 hours at 60 DEG C, cooled to room temperature after filtering, contains filtrate in open-top receptacle, with micro-
The preservative film closed container mouth in hole, makes solvent slowly volatilize at ambient temperature, orange red crystal is precipitated after 4 weeks.Yield is
40.8%.
Claims (6)
1. a kind of organic metal cobalt (II) complex luminescent material, it is characterised in that：With following chemical expression：[Co2
(bipy)(dpa)2(H2O)5]·4H2O, dpa 2,2 '-biphenyl dicarboxylic acid, bipy 2,2 '-bipyridyl；
Belong to anorthic system, space group P-1；
Cell parameter is：α=80.7730
(10) °, β=77.0650 (10) °, γ=85.9020 (10) °, Mr=431.45,Dc=1.480g/
cm3, Z=2, μ (MoK α)=0.767mm-1, F (000)=1112.
2. prepare the method for organic metal cobalt (II) complex luminescent material described in claim 1, it is characterised in that：Sulfur acid
Cobalt, 2,2 '-biphenyl dicarboxylic acid and 2, the ethanol/water solution of 2 '-bipyridyl adjust pH value meta-alkalescence, anti-at a temperature of 60~70 DEG C
It answers 8~10 hours, is cooled to room temperature, filter, gained filtrate is crystallized by volatilizing, and obtains [Co2(bipy)(dpa)2(H2O)5]·
4H2O monocrystalline.
3. the method for organic metal cobalt (II) complex luminescent material according to claim 2, it is characterised in that：Sulfuric acid
The molar ratio of cobalt, 2,2 '-biphenyl dicarboxylic acid and 2,2 '-bipyridyl is 1~1.5:1.5~2:1~2.
4. the method for organic metal cobalt (II) complex luminescent material according to claim 3, it is characterised in that：Described
A concentration of 0.025~0.038mol/L of the cobaltous sulfate in the ethanol/water solution.
5. the method for organic metal cobalt (II) complex luminescent material according to claim 4, it is characterised in that：Described
The volume ratio of ethyl alcohol and water is 1~2 in ethanol/water solution:1~1.5.
6. the method for organic metal cobalt (II) complex luminescent material according to claim 2, it is characterised in that：Described
Volatilization crystallization process be：Filtrate is contained in open-top receptacle, with the preservative film closed container mouth with micropore, makes solvent in room temperature item
It slowly volatilizees under part, until a large amount of crystal are precipitated.
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| CN105254681A (en) * | 2015-09-19 | 2016-01-20 | 洛阳师范学院 | 3, 3', 4, 5'-Biphenyltetracarboxylic acid and 4, 4'-bipyridine mixed cobalt complex, and preparation method and applications thereof |
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| CN105254681A (en) * | 2015-09-19 | 2016-01-20 | 洛阳师范学院 | 3, 3', 4, 5'-Biphenyltetracarboxylic acid and 4, 4'-bipyridine mixed cobalt complex, and preparation method and applications thereof |
Non-Patent Citations (2)
| Title |
|---|
| Hydrothermal Syntheses and Characterizations of Three Coordination Polymers Based on Mixed Organic Ligands;Guo -Ping Yang et al.;《Eur.J.Inorg.Chem.》;20070628;第3892-3898页 * |
| 以2,4,4`-联苯三羧酸及2,2`-联吡啶构筑的三维钴（II）配位聚合物的合成、晶体结构及磁性质;高竹青;《无机化学学报》;20140630;第30卷(第6期);第1421-1426页,参见第1422页1.2 * |
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