CN106188108B - The metal-organic framework materials and preparation method and applications of a kind of Cd - Google Patents
The metal-organic framework materials and preparation method and applications of a kind of Cd Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 43
- 239000012621 metal-organic framework Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000013110 organic ligand Substances 0.000 claims abstract description 23
- 239000002360 explosive Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 16
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims abstract description 14
- 239000013078 crystal Substances 0.000 claims abstract description 12
- 230000004044 response Effects 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 9
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005977 Ethylene Substances 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims abstract description 3
- 239000011259 mixed solution Substances 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims abstract description 3
- WFKAJVHLWXSISD-UHFFFAOYSA-N isobutyramide Chemical compound CC(C)C(N)=O WFKAJVHLWXSISD-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000003446 ligand Substances 0.000 claims description 20
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 8
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 150000002500 ions Chemical class 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- MGFJDEHFNMWYBD-OWOJBTEDSA-N 4-[(e)-2-pyridin-4-ylethenyl]pyridine Chemical group C=1C=NC=CC=1/C=C/C1=CC=NC=C1 MGFJDEHFNMWYBD-OWOJBTEDSA-N 0.000 claims 1
- -1 carboxyl Chemical group 0.000 claims 1
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 abstract description 21
- 125000000339 4-pyridyl group Chemical group N1=C([H])C([H])=C([*])C([H])=C1[H] 0.000 abstract description 3
- 125000001967 indiganyl group Chemical group [H][In]([H])[*] 0.000 abstract description 3
- QQCFOYSLJJBCJP-UHFFFAOYSA-N N1=CC=C(C=C1)C=CC1=CC=NC=C1.C=C Chemical compound N1=CC=C(C=C1)C=CC1=CC=NC=C1.C=C QQCFOYSLJJBCJP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002178 crystalline material Substances 0.000 abstract description 2
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical class C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 abstract 2
- 229950002929 trinitrophenol Drugs 0.000 abstract 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 7
- RMBFBMJGBANMMK-UHFFFAOYSA-N 2,4-dinitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O RMBFBMJGBANMMK-UHFFFAOYSA-N 0.000 description 5
- SPSSULHKWOKEEL-UHFFFAOYSA-N 2,4,6-trinitrotoluene Chemical compound CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O SPSSULHKWOKEEL-UHFFFAOYSA-N 0.000 description 4
- 238000002447 crystallographic data Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- QXYMVUZOGFVPGH-UHFFFAOYSA-N picramic acid Chemical compound NC1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1O QXYMVUZOGFVPGH-UHFFFAOYSA-N 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 0 *c1cc2*(*)cc(*)cc2c(S(O)(=O)=O)c1 Chemical compound *c1cc2*(*)cc(*)cc2c(S(O)(=O)=O)c1 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 229920001795 coordination polymer Polymers 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000015 trinitrotoluene Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005564 crystal structure determination Methods 0.000 description 1
- 229940113088 dimethylacetamide Drugs 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000013384 organic framework Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000013259 porous coordination polymer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- 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
- C07F3/00—Compounds containing elements of Groups 2 or 12 of the Periodic Table
- C07F3/003—Compounds containing elements of Groups 2 or 12 of the Periodic Table without C-Metal linkages
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- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
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Abstract
The metal-organic framework materials and preparation method and applications of a kind of Cd belong to the technical field of crystalline material.Chemical molecular formula is CdL0.5dpe0.5·2H2O, L are 4,8 disulfonic acid base of organic ligand, 2,6 naphthalene dicarboxylic acids；Dpe is ancillary organic ligands 1,2 2 (4 pyridyl group) ethylene (1,2 di (4 pyridyl) ethylene).Under sealing condition, organic ligand L (4,8 disulfonic acid base, 2,6 naphthalene dicarboxylic acids), ancillary organic ligands dpe (1,2 two (4 pyridyl group) ethylene) with four nitric hydrate cadmiums in DMA (N, N dimethylacetylamide) and H2In the mixed solution of O, the crystal of metal-organic framework materials is obtained via thermal response.This metal-organic framework materials has stronger fluorescence, can use the selective enumeration method material of 2,4,6 trinitrophenol (TNP) of nitro explosive.
Description
Technical field
The invention belongs to the technical field of crystalline material, technology is related to metal organic coordination polymer material, particularly one
The metal-organic framework materials of kind Cd, preparation method and applications.
Background technology
Quickly and selectively detection explosive is analyzed concerning Homeland Security, Military Application, accident investigation and minefield
One of burning issue.Nitroaromatic such as 2,4,6-trinitrotoluene (2,4,6-trinitrotoluene, TNT),
2,4- dinitrotoluene (DNT)s (2,4-dinitrotoluene, 2,4-DNT), 2,4,6- trinitrophenols (2,4,6-
Trinitrophenol, TNP) all it is the main material of industrial explosion object, and be present in untapped minefield all over the world.Its
In, nitro explosive TNP is higher than the explosive force of TNT, and is widely used in dyestuff, fireworks and firecrackers, match, glassware and leather
In industry.In addition to its explosion property, TNP is also regarded as a kind of hypertoxic pollutant.In mammal metabolic process, TNP will
Picramic acid (2- amino -4,6- dinitrophenol) can be converted to, and the ability of picramic acid induction mutant organism is the ten of TNP
Times.Commodity production is with during use, TNP being emitted into environment, leads to the pollution of soil and aqueous systems.Therefore, soil is detected
And the nitroaromatic in underground water to tracking bury and water in explosive TNP and the environmental monitoring near ordnance base
It is vital.The detection method of intense explosion object mainly includes the instrument of dog and precision at present, but these instruments it is mostly expensive,
It is complicated and be likely to go wrong in the field applied.In contrast, the method based on the detection of change in fluorescence means receives
The concern of people, because high selectivity, easy to operate, response time are short and the advantages such as can be used in solid-liquid two-phase.It is a variety of
Material includes conjugated organic molecule, nano-particle and metal composite etc. and has been applied to the explosive detection based on change in fluorescence
Process.
Metal-organic framework materials (MOFs) or coordination polymer (PCPs) are because of the designability of its specific surface area height, skeleton
And host-guest interaction, and it is widely used in gas storage/separation, catalysis, inductor, photoelectricity, clean energy resource and biology
Medicine etc..Especially as fluorescence inductor MOFs materials than traditional fluorogen advantageously.First, skeleton
Designability can improve the interaction between Subjective and Objective, and as the preconcentrator of target analytes.Secondly, it is fixed in MOFs
Organic ligand leads to stronger radiation due to not having the reduction of radiative relaxation.The multi-selection of organic ligand and metal center,
The characteristic electron of MOFs materials can be adjusted well.In addition, its analyte to selection of the introducing imparting of secondary functional group is excellent
First bonding, this can cause preferably selective.
Invention content
The purpose of the present invention is to provide a kind of metal-organic framework materials and preparation method and applications.
A kind of 3-dimensional metal organic framework material of the present invention, which is characterized in that chemical molecular formula CdL0.5dpe0.5·
2H2O, L are organic ligand, are 4,8- disulfonic acid base -2,6- naphthalene dicarboxylic acids；Dpe is (the 4- pyridines of ancillary organic ligands 1,2- bis-
Base) ethylene (1,2-di (4-pyridyl) ethylene).H2O molecules are obtained according to crystal structural data and charge balance theory
's.
The crystal structure of the 3-dimensional metal organic framework material belongs to monoclinic system, space group P21/ n, cell parameter
For：α=90.00 °, β=
90.6602 (9) °, γ=90.00 °.From the point of view of connection is constructed, Cd in skeleton structure2+Using typical hexa-coordinate, difference
With a L4-Two O atoms, another L on middle carboxyl4-Sulfonic group O atom in ligand, respectively from two H2In O molecules
A N Atomic coordinate in two O atoms, assistant ligand dpe forms the octoploids structure of a distortion.Wherein each
Carboxyl is all with η1:η1Pattern connection Cd2+, L4-In carboxyl and sulfonic group be involved in being coordinated, i.e. a L4-Connect four Cd2+
Form a similar 2D layers of structure.Meanwhile multiple 2D layers of folded structures, along the direction of superposition, assistant ligand dpe is as column
Ligand, the Cd1 ions in each layer and the N Atomic coordinates in dpe ligands, make to be interconnected to form a 3D between layers
The columnar structure of class layer.
The wherein chemical structural formula of organic ligand 4,8- disulfonic acid base -2,6 naphthalene dicarboxylic acid and assistant ligand dpe：
The synthetic method of metal-organic framework materials of the present invention, includes the following steps：
Under sealing condition, organic ligand L (4,8- disulfonic acid base -2,6- naphthalene dicarboxylic acids), ancillary organic ligands dpe (1,2-
Two (4- pyridyl groups) ethylene) with four nitric hydrate cadmiums in DMA (DMAC N,N' dimethyl acetamide) and H2In the mixed solution of O, via
Thermal response obtains the crystal of metal-organic framework materials.
Wherein organic ligand L (4,8- disulfonic acid base -2,6 naphthalene dicarboxylic acid), ancillary organic ligands dpe ((the 4- pyrroles of 1,2- bis-
Piperidinyl) ethylene) with the molar ratios of four nitric hydrate cadmiums it is (1~3):(1~3):1, every 0.035 mM of four nitric hydrate cadmiums
The n,N-dimethylacetamide of corresponding 0.5mL~2mL, the H of 0.1mL~1.5mL2O.The temperature of the thermal response is 60 DEG C -120
DEG C, the reaction time is 20-50 hours.
This metallo-organic framework category fluorescent type MOF material, available for nitro explosive, the especially nitro containing hydroxyl
The selective enumeration method of explosive such as TNP.
The metal-organic framework materials structure novel of the present invention has stronger fluorescence, and skeleton structure is stablized, can be to nitro
Explosive carries out selective enumeration method, has potential application in terms of selective enumeration method nitro explosive TNP and fluorescence probe.This
Invention preparation method is simple for process, easy to implement, yield is high, is conducive to promote on a large scale.
Description of the drawings
Fig. 1 is the schematic diagram of metallic atom coordination mode in the metal-organic framework materials；
Fig. 2 is the structure diagram of the metal-organic framework materials.
Fig. 3 is in the presence of other nitro explosives, and the metal-organic framework materials are to TNP selective enumeration method schematic diagrames.
Fig. 4 is fluorescent quenching efficiency of the different nitro explosives to the metal-organic framework materials.
Specific embodiment
With reference to embodiment, the invention will be further described, but the present invention is not limited to following embodiments.
Embodiment 1
By organic ligand L (0.035 mM), assistant ligand dpe (0.035 mM) and four nitric hydrate cadmiums (0.035
MM) be uniformly mixed in the n,N-dimethylacetamide of 1mL, add in 0.1mL H2O is enclosed in bottle.It is passed through at 80 DEG C
The crystal of metal-organic framework materials is obtained in 24 hours by thermal response.
Embodiment 2
By organic ligand L (0.035 mM), assistant ligand dpe (0.019 mM) and four nitric hydrate cadmiums (0.035
MM) be uniformly mixed in the n,N-dimethylacetamide of 1mL, add in 0.5mL H2O is enclosed in bottle.It is passed through at 80 DEG C
The crystal of metal-organic framework materials is obtained in 48 hours by thermal response.
Embodiment 3
By organic ligand L (0.019 mM), assistant ligand dpe (0.035 mM) and four nitric hydrate cadmiums (0.035
MM) be uniformly mixed in the n,N-dimethylacetamide of 1.5mL, add in 0.5mL H2O is enclosed in bottle.At 80 DEG C
The crystal of metal-organic framework materials is obtained via thermal response within 48 hours.
Embodiment 4
By organic ligand L (0.035 mM), assistant ligand dpe (0.035 mM) and four nitric hydrate cadmiums (0.035
MM) be uniformly mixed in the n,N-dimethylacetamide of 2mL, add in 0.5mL H2O is enclosed in bottle.It is passed through at 100 DEG C
The crystal of metal-organic framework materials is obtained in 24 hours by thermal response.
The test result of above-described embodiment resulting product is identical, specifically sees below：
(1) crystal structure determination：
The monocrystalline of suitable size is chosen under the microscope, under 100K, utilizes Agilent Technologies
SuperNova single crystal diffractometers, the Mo-K α through graphite monochromator monochromatizationRay, withMode
Collect diffraction data.All diffraction datas carry out absorption correction using SADABS programs.Cell parameter is true using least square method
It is fixed.Data convert and structure elucidation are completed respectively using SAINT and SHELXTL-97 programs.First with difference function method and minimum two
Multiplication determines whole non-hydrogen atom coordinates, and obtains hydrogen atom position with theoretical hydrogenation method, then with SHELXTL-97 to crystal
Structure carries out refine.Structure chart is shown in Fig. 1 and Fig. 2.Crystallographic data is shown in Table 1.
The crystallographic data of 1 metal-organic framework materials of table
The structure chart of Fig. 1 shows：Skeleton structure Cd1 ions use typical hexa-coordinate, respectively with a L4-Middle carboxyl
On two O atoms, a L4-Sulfonic group O atom, two H in ligand2In two O atoms and assistant ligand dpe in O molecules
A N Atomic coordinate, form one distortion octoploids structure.
The structure chart of Fig. 2 shows：Each carboxyl is with η1:η1Pattern connection Cd2+, L4-In carboxyl and sulfonic group all
Participate in coordination, i.e. a L4-Connect four Cd2+Form a similar 2D layers of structure.Meanwhile along b axis directions, assistant ligand
As column ligand, the Cd1 ions in each layer and the N Atomic coordinates in dpe ligands make to be connected with each other between layers dpe
Form a columnar structure of 3D class layers.
(2) in the presence of other nitro explosives, material is to the selective enumeration method performance characterization of TNP：
Fig. 3 is characterization of the metal-organic framework materials to nitro explosive TNP selective enumeration method performances.In Fig. 3, in room temperature
Under the conditions of, in alternate dropwise addition 2, when 4- dinitrotoluene (DNT)s are with TNP, only when adding in TNP, fluorescence intensity can just reduce, i.e.,
Metal-organic framework materials have selective response to TNP.Illustrate that metal-organic framework materials have good selectivity TNP
Detection performance.
Fig. 4 is fluorescent quenching efficiency of the different nitro explosives to metal-organic framework materials.In Fig. 4, add in identical dense
After the different nitro explosives of degree, TNP is maximum to its fluorescent quenching efficiency, illustrates metal-organic framework materials to TNP again
Have good selectivity detection performance.
Claims (6)
- A kind of 1. metal-organic framework materials, which is characterized in that chemical molecular formula CdL0.5dpe0.5·2H2O, L are organic ligand 4,8- disulfonic acid base -2,6 naphthalene dicarboxylic acid；Dpe is ancillary organic ligands 1,2- bis-（4- pyridyl groups）Ethylene（1,2-di(4- pyridyl) ethylene）;Crystal structure belongs to monoclinic system, and space group isP21/n, cell parameter is：a=7.42374 (8),b = 11.86482 (11),c=15.64533 (18),α=90.00 °,β=90.6602 (9) °,γ = 90.00°。
- 2. according to a kind of metal-organic framework materials of claim 1, which is characterized in that from the point of view of connection is constructed, skeleton Cd in structure2+Using typical hexa-coordinate, respectively with a L4-Two O atoms, another L on middle carboxyl4-Sulfonic acid in ligand Base O atom, respectively from two H2A N Atomic coordinate in two O atoms, assistant ligand dpe in O molecules, forms The octoploids structure of one distortion；Wherein each carboxyl is with η1:η1Pattern connection Cd2+, L4-In carboxyl and sulfonic group It is involved in being coordinated, i.e. a L4-Connect four Cd2+Form a similar 2D layers of structure；Meanwhile multiple 2D layers of folded structures, Along the direction of superposition, assistant ligand dpe is used as column ligand, the N Atomic coordinates in Cd1 ions and dpe ligands in each layer, Make to be interconnected to form a columnar structure of 3D class layers between layers.
- 3. prepare the method for material described in claim 1, which is characterized in that include the following steps：Under sealing condition, organic ligand L（4,8- disulfonic acid base -2,6 naphthalene dicarboxylic acid）, ancillary organic ligands dpe（1,2- bis-（4- Pyridyl group）Ethylene）With four nitric hydrate cadmiums in DMA（N, NDimethylacetylamide）And H2The mixed solution of O, via thermal response Obtain the crystal of metal-organic framework materials.
- 4. according to the method for claim 3, which is characterized in that organic ligand L（4,8- disulfonic acid base -2,6 naphthalene dicarboxylic acid）, it is auxiliary Help organic ligand dpe（1,2- bis-（4- pyridyl groups）Ethylene）Molar ratio with four nitric hydrate cadmiums is (1 ~ 3):(1~3):1, often 0.035 mM of four nitric hydrate cadmiums correspond to the mL's of 1 mL ~ 2N, NDimethylacetylamide, the H of the mL of 0.1 mL ~ 1.52O； The temperature 60 of the thermal responseoC-120 oC, reaction time are 20-50 hours.
- 5. a kind of application of metal-organic framework materials described in claim 1, as nitro explosive selective enumeration method material.
- 6. a kind of application of metal-organic framework materials described in claim 1, as the nitro explosive selection containing hydroxyl Property detection material.
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| CN107955183B (en) * | 2017-12-01 | 2020-07-14 | 淮北师范大学 | Coordination polymer with photoreaction activity and preparation method thereof |
| CN109507317B (en) * | 2018-11-19 | 2021-05-28 | 中国农业科学院农业质量标准与检测技术研究所 | Sensing application of gallium metal organic framework material in detecting endocrine disruptors |
| CN110240706B (en) * | 2019-06-06 | 2021-05-11 | 南京邮电大学 | Cd-MOF material and preparation method and application thereof |
| CN115403492B (en) * | 2021-05-26 | 2024-04-02 | 中国石油化工股份有限公司 | Metal organic framework material with biphenyl structure, preparation method and application thereof, and carboxylic acid esterification method |
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| US8367419B2 (en) * | 2009-06-25 | 2013-02-05 | Rutgers, The State University Of New Jersey | Compositions and methods for detection of explosives |
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| "A novel porous anionic metal–organic framework with pillared double-layer structure for selective adsorption of dyes";Shu-Nan Sheng et al.;《Journal of Solid State Chemistry》;20151023;第233卷;第143-149页 * |
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