CN106256432A - A kind of water oxidation reaction catalyst based on metallic organic framework graphene oxide and preparation method thereof - Google Patents

A kind of water oxidation reaction catalyst based on metallic organic framework graphene oxide and preparation method thereof Download PDF

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Publication number
CN106256432A
CN106256432A CN201610626663.3A CN201610626663A CN106256432A CN 106256432 A CN106256432 A CN 106256432A CN 201610626663 A CN201610626663 A CN 201610626663A CN 106256432 A CN106256432 A CN 106256432A
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graphene oxide
organic framework
water oxidation
oxidation reaction
catalyst based
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曲玲玲
蔡佳
陈秋云
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Jiangsu University
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Jiangsu University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2204Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208Oxygen, e.g. acetylacetonates
    • B01J31/2217At least one oxygen and one nitrogen atom present as complexing atoms in an at least bidentate or bridging ligand
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39Photocatalytic properties
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02Preparation of oxygen
    • C01B13/0203Preparation of oxygen from inorganic compounds
    • C01B13/0207Water

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  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
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Abstract

The invention provides a kind of water oxidation reaction catalyst based on metallic organic framework graphene oxide and preparation method thereof, comprise the following steps: step 1, by graphene oxide ultrasonic disperse to N, in N dimethylformamide;Step 2, mixed liquor in step 1 add slaine and 2 amino p-phthalic acids, after mix homogeneously, proceeds to reactor;Step 3, reactor is put in baking oven and carry out constant temp. heating reaction, cool down after completion of the reaction, sucking filtration, washing, be dried, it is thus achieved that water oxidation reaction catalyst based on metallic organic framework graphene oxide.The present invention can realize the metal-organic framework materials of porous and the high efficiency composition of Graphene, brings the photocatalysis water oxidation susceptibility of excellence.

Description

A kind of water oxidation reaction catalyst based on metallic organic framework-graphene oxide and Its preparation method
Technical field
The invention belongs to chemical catalyst technical field, be specifically related to a kind of based on metallic organic framework-graphene oxide Water oxidation reaction catalyst and preparation method thereof.
Background technology
Convert solar energy into chemical energy and the electric energy of cleaning, be the study hotspot tapped a new source of energy in world wide.Water Oxidation reaction is still solar energy up to now and converts and the great restraining factors of correlation technique application, designs synthesizing efficient water Oxidation catalyst, and be applied to visible ray drive water oxidation system at present become solve the problems referred to above potential approach. But the catalyst that catalytic water oxidation effectiveness is good at present is many with noble metals such as Ru or Ir as catalytic active center, involves great expense;And Catalyst effect with normal transition metals such as Mn or Co as active center is poor.At present, the modification of this type of photocatalyst Method, the method such as including topography optimization, band gap regulation and control, wherein increase specific surface area and Graphene are combined is conventional two kind modifications Method.On the other hand, the metal-organic framework materials that past 20 years developed rapidly is with the porous of its excellence, good warm The advantage such as stability and chemical stability has obtained the concern of people.If can be by the porous character of metal-organic framework materials Being combined with Graphene, the material obtained not only has the pore structure of excellence, and reduces the compound effect of light induced electron and hole Rate, is conducive to improving ability and the efficiency of catalytic water oxidation reaction.
Summary of the invention
It is an object of the invention to improve the ability of water oxidation reaction and efficiency, propose a kind of novel organic based on metal Water oxidation reaction catalyst of skeleton graphene oxide and preparation method thereof, it is achieved that Graphene and metallic organic framework activity The high efficiency composition in site, enriches the kind of water oxidation reaction catalyst, has effectively facilitated the research of water oxidation reaction.
This catalyst is made up of metallic organic framework and the graphene oxide of porous, and its preparation method is by graphene oxide It is distributed in metallic organic framework presoma carry out hydro-thermal reaction.The hole of metal-organic framework materials achieves avtive spot Fully exposing, Graphene reduces the combined efficiency of light induced electron and hole, thus imparts this light meeting material excellent and urge Change the performance of water oxidation reaction.The present invention enriches the kind of water oxidation reaction catalyst, and proposes a kind of effective compound Material preparation method;The method is with low cost, effectively facilitates the research of water oxidation reaction and in the energy, environment and biological medicine The application of aspect.
Technical scheme is as follows:
A kind of water oxidation reaction catalyst based on metallic organic framework-graphene oxide, described catalyst is by porous Metallic organic framework and graphene oxide composition, the metal-organic framework materials of porous is evenly distributed on graphene oxide.
Further, the metal in described metal-organic framework materials be 3d transition metal such as: Fe, Co and Mn etc. and group of the lanthanides Metal is such as: Eu and La;Organic ligand in described metal-organic framework materials is 2-amino p-phthalic acid.
Further, described metal-organic framework materials is 1:1~10 with the mass ratio of graphene oxide.
Further, described metal is 1~10:1 with the ratio of the amount of the material of 2-amino p-phthalic acid.
The preparation method of a kind of water oxidation reaction catalyst based on metallic organic framework-graphene oxide, including following Step:
Step 1, by graphene oxide ultrasonic disperse to N,N-dimethylformamide (DMF);
Step 2, mixed liquor in step 1 add slaine and 2-amino p-phthalic acid, proceeds to after mix homogeneously Reactor;
Step 3, reactor is put in baking oven and carries out constant temp. heating reaction, cool down after completion of the reaction, sucking filtration, washing, be dried, Obtain water oxidation reaction catalyst based on metallic organic framework-graphene oxide.
In step 1, described graphene oxide is 1mg:2~5mL with the amount ratio of DMF.
In step 2, described slaine is 1~10:1 with the ratio of the amount of the material of 2-amino p-phthalic acid.
In step 2, described slaine includes that 3d transition metal is: Fe, Co and Mn etc. and lanthanide series metal such as: Eu and La.
In step 2, described slaine is Fe, the nitrate of Co, Mn, Eu and La or chloride.
In step 3, the temperature of described constant temp. heating reaction is 80-150 DEG C, and the response time is 48~72h.
The invention have the benefit that the present invention can realize the metal-organic framework materials of porous and the efficient of Graphene Compound, bring the photocatalysis water oxidation susceptibility of excellence;This that the pinhole of catalyst is effective with the band gap regulation and control of Graphene The compound synthesis that strategy is composite provides new thinking, promotes preparation and the research of high activity composite catalyst; The method technique is simple, with low cost, contributes to the research of water oxidation reaction and in terms of the energy, environment and biological medicine Application.
Accompanying drawing explanation
Fig. 1 is the PXRD diffraction spectrogram of Eu Base Metal organic backbone-graphene oxide;
Fig. 2 is the FT-IR spectrogram of Eu Base Metal organic backbone-graphene oxide;
Fig. 3 is the uv atlas of Eu Base Metal organic backbone-graphene oxide;
Fig. 4 is the cyclic voltammetric spectrogram of Eu Base Metal organic backbone-graphene oxide;
Fig. 5 is the photocatalysis water oxidization condition of Eu Base Metal organic backbone-graphene oxide.
Detailed description of the invention
Below by by concrete example, the invention will be further described.
Embodiment 1:
The preparation of Eu Base Metal organic backbone Graphene
2mg graphene dispersion, in 4mL DMF, adds EuCl in backward dispersion liquid3.6H2O (25mg) and 2-amino are to benzene Dioctyl phthalate (36.1mg), ultrasonic disperse, it is transferred to reactor after mix homogeneously.Reactor is put into the baking oven of 120 DEG C reacts 2 My god, cooling, sucking filtration, washing, it is dried, it is thus achieved that the water oxidation reaction catalyst of Eu Base Metal organic backbone Graphene.Its structure As shown in Figures 1 to 3.Fig. 1 is the x-ray diffractogram of powder (PXRD) of composite, after showing to be combined with Graphene, does not affect The structure of Eu Base Metal organic framework material, Fig. 2 is that the FT-IR spectral catalogue of composite understands the success of Eu Base Metal organic backbone Load on Graphene;Demonstrate this material through uv atlas (see accompanying drawing 3) and visible ray is had absorption, can be as photocatalysis Agent;Cyclic voltammetric spectrogram (see accompanying drawing 4) shows that this material possesses the ability of catalytic water oxidation.
Eu Base Metal organic backbone Graphene photocatalysis water oxidation susceptibility is evaluated
2mL buffer solution (is wherein contained 80mM Na2S2O8), the bipyridyl ruthenium aqueous solution of 200 μ l 0.01M is urged with 4mg Agent puts in 25ml round-bottomed flask, is passed through nitrogen, by the air Ex-all in reaction bulb in round-bottomed flask.Air is eliminated in oneself The reaction bulb equipped with reaction solution before plus the optical filter only allowed by visible ray, be close to optical filter with LED light source and irradiate Reaction bulb, connects gas chromatogram, opens software and produces the volume of gas every 10 minutes records, no longer increases to producing gas volume Till length.Oxygen 183 μm ol (see accompanying drawing 5) can be produced after testing.
Embodiment 2:
The preparation of La Base Metal organic backbone Graphene
2mg graphene dispersion, in 4mL DMF, adds La (NO in backward dispersion liquid3)3.6H2O (198mg) and 2-amino P-phthalic acid (36.1mg), ultrasonic disperse, it is transferred to reactor after mix homogeneously.Reactor is put in the baking oven of 120 DEG C React 2 days, cooling, sucking filtration, washing, be dried, it is thus achieved that the water oxidation reaction catalyst of La Base Metal organic backbone Graphene.Will It is used as the catalyst of photocatalysis water oxidation, at bipyridyl ruthenium-Na2S2O8In system, oxygen 61 μm ol can be produced after testing.
Embodiment 3:
The preparation of Fe Base Metal organic backbone Graphene
2mg graphene dispersion, in 10mL DMF, adds FeCl in backward dispersion liquid3.6H2O (270mg) and 2-amino pair Phthalic acid (180mg), ultrasonic disperse, it is transferred to reactor after mix homogeneously.Reactor is put in the baking oven of 150 DEG C and react 3 days, cooling, sucking filtration, washing, it is dried, it is thus achieved that the water oxidation reaction catalyst of Fe Base Metal organic backbone Graphene.Used Make the catalyst of photocatalysis water oxidation, at bipyridyl ruthenium-Na2S2O8In system, oxygen 209 μm ol can be produced after testing.
Embodiment 4:
The preparation of Co Base Metal organic backbone Graphene
2mg graphene dispersion, in 10mL DMF, adds Co (NO in backward dispersion liquid3)2·6H2O (40mg) and 2-amino P-phthalic acid (23mg), ultrasonic disperse, it is transferred to reactor after mix homogeneously.Reactor is put in the baking oven of 100 DEG C anti- Answer 2 days, cooling, sucking filtration, washing, be dried, it is thus achieved that the water oxidation reaction catalyst of Co Base Metal organic backbone Graphene.By it As the catalyst of photocatalysis water oxidation, at bipyridyl ruthenium-Na2S2O8In system, oxygen 172 μm ol can be produced after testing.
Embodiment 5:
The preparation of Mn Base Metal organic backbone Graphene
2mg graphene dispersion, in 10mL DMF, adds Mn (NO in backward dispersion liquid3)2·9H2O (0.9mmol) and 2- Amino p-phthalic acid (14.5mg), ultrasonic disperse, it is transferred to reactor after mix homogeneously.Reactor is put into the baking of 120 DEG C Case reacts 2 days, cooling, sucking filtration, washing, be dried, it is thus achieved that the water oxidation reaction catalysis of Co Base Metal organic backbone Graphene Agent.It is used as the catalyst of photocatalysis water oxidation, at bipyridyl ruthenium-Na2S2O8In system, oxygen 17 μ can be produced after testing mol。

Claims (10)

1. a water oxidation reaction catalyst based on metallic organic framework-graphene oxide, described catalyst is by the gold of porous Belonging to organic backbone and graphene oxide composition, the metal-organic framework materials of porous is evenly distributed on graphene oxide.
A kind of water oxidation reaction catalyst based on metallic organic framework-graphene oxide the most according to claim 1, its Being characterised by, the metal in described metal-organic framework materials is any one in Fe, Co, Mn, Eu and La;Described metal has Organic ligand in machine framework material is 2-amino p-phthalic acid.
A kind of water oxidation reaction catalyst based on metallic organic framework-graphene oxide the most according to claim 1, its Being characterised by, described metal-organic framework materials is 1:1~10 with the mass ratio of graphene oxide.
A kind of water oxidation reaction catalyst based on metallic organic framework-graphene oxide the most according to claim 1, its Being characterised by, described metal is 1~10:1 with the ratio of the amount of the material of 2-amino p-phthalic acid.
5. the preparation method of a water oxidation reaction catalyst based on metallic organic framework-graphene oxide, it is characterised in that Comprise the following steps:
Step 1, by graphene oxide ultrasonic disperse to N,N-dimethylformamide;
Step 2, mixed liquor in step 1 add slaine and 2-amino p-phthalic acid, after mix homogeneously, proceeds to reaction Still;
Step 3, reactor is put in baking oven and carries out constant temp. heating reaction, cool down after completion of the reaction, sucking filtration, washing, be dried, it is thus achieved that Water oxidation reaction catalyst based on metallic organic framework-graphene oxide.
A kind of water oxidation reaction catalyst based on metallic organic framework-graphene oxide the most according to claim 5 Preparation method, it is characterised in that in step 1, described graphene oxide is 1mg:2~5mL with the amount ratio of DMF.
A kind of water oxidation reaction catalyst based on metallic organic framework-graphene oxide the most according to claim 5 Preparation method, it is characterised in that in step 2, the ratio of described slaine and the amount of the material of 2-amino p-phthalic acid be 1~ 10:1.
A kind of water oxidation reaction catalyst based on metallic organic framework-graphene oxide the most according to claim 5 Preparation method, it is characterised in that in step 2, described slaine is any one in Fe, Co, Mn, Eu and La.
A kind of water oxidation reaction catalyst based on metallic organic framework-graphene oxide the most according to claim 5 Preparation method, it is characterised in that in step 2, described slaine is Fe, the nitrate of Co, Mn, Eu and La or chloride.
A kind of water oxidation reaction catalyst based on metallic organic framework-graphene oxide the most according to claim 5 Preparation method, it is characterised in that in step 3, the temperature of described constant temp. heating reaction is 80-150 DEG C, the response time be 48~ 72h。
CN201610626663.3A 2016-08-03 2016-08-03 A kind of water oxidation reaction catalyst based on metallic organic framework graphene oxide and preparation method thereof Pending CN106256432A (en)

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CN107029672A (en) * 2017-05-10 2017-08-11 上海师范大学 Based on the NH of UIO 662With the graphene synthesis adsorption photochemical catalysis composite of assembling altogether in situ
CN107158964A (en) * 2017-07-04 2017-09-15 中国石油大学(华东) A kind of composite film material based on metal organic framework nanometer sheet and graphene oxide, preparation method and the application in gas separation
CN109166733A (en) * 2018-09-30 2019-01-08 北京印刷学院 A kind of method that hydro-thermal method prepares Ni/Co base MOF material
CN109821573A (en) * 2019-02-15 2019-05-31 江苏大学 A kind of water oxidation catalyst and preparation method and purposes
CN110368995A (en) * 2019-08-29 2019-10-25 南昌航空大学 A kind of preparation method based on two sulphur indium silver electro-catalysis complete solution water materials
CN110420661A (en) * 2019-08-15 2019-11-08 山东大学 In-situ preparation MIL-101 (Fe) composite catalyzing material and the preparation method and application thereof on a kind of 3D-rGO
CN111085275A (en) * 2019-12-31 2020-05-01 华南理工大学 Reductive graphene oxide/metal organic framework composite material and preparation method and application thereof
CN111151303A (en) * 2020-01-07 2020-05-15 东北师范大学 Application of novel MIL-53(Fe) -based catalyst in removal of antibiotics in water
CN111500175A (en) * 2020-05-12 2020-08-07 黎哲华 High-flame-retardant waterborne polyurethane coating and preparation method thereof
CN112679966A (en) * 2020-12-23 2021-04-20 广东邦普循环科技有限公司 Preparation method and application of composite material containing graphite and MOF
CN113663647A (en) * 2021-07-26 2021-11-19 安徽大学 Method for adsorbing and degrading metal organic framework material/graphene compound of organic pollutants
CN114957679A (en) * 2022-02-22 2022-08-30 中国科学院苏州生物医学工程技术研究所 Metal organic framework material fluorescent probe and pyridine dicarboxylic acid detection method

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Cited By (19)

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CN107029672A (en) * 2017-05-10 2017-08-11 上海师范大学 Based on the NH of UIO 662With the graphene synthesis adsorption photochemical catalysis composite of assembling altogether in situ
CN107158964A (en) * 2017-07-04 2017-09-15 中国石油大学(华东) A kind of composite film material based on metal organic framework nanometer sheet and graphene oxide, preparation method and the application in gas separation
CN107158964B (en) * 2017-07-04 2020-03-03 中国石油大学(华东) Composite membrane material based on metal organic framework nanosheets and graphene oxide, preparation method and application in gas separation
CN109166733A (en) * 2018-09-30 2019-01-08 北京印刷学院 A kind of method that hydro-thermal method prepares Ni/Co base MOF material
CN109821573A (en) * 2019-02-15 2019-05-31 江苏大学 A kind of water oxidation catalyst and preparation method and purposes
CN109821573B (en) * 2019-02-15 2022-02-15 江苏大学 Water oxidation catalyst, preparation method and application
CN110420661A (en) * 2019-08-15 2019-11-08 山东大学 In-situ preparation MIL-101 (Fe) composite catalyzing material and the preparation method and application thereof on a kind of 3D-rGO
CN110368995B (en) * 2019-08-29 2022-02-01 南昌航空大学 Preparation method of electrocatalytic full-hydrolytic material based on silver indium disulfide
CN110368995A (en) * 2019-08-29 2019-10-25 南昌航空大学 A kind of preparation method based on two sulphur indium silver electro-catalysis complete solution water materials
CN111085275A (en) * 2019-12-31 2020-05-01 华南理工大学 Reductive graphene oxide/metal organic framework composite material and preparation method and application thereof
CN111151303A (en) * 2020-01-07 2020-05-15 东北师范大学 Application of novel MIL-53(Fe) -based catalyst in removal of antibiotics in water
CN111500175A (en) * 2020-05-12 2020-08-07 黎哲华 High-flame-retardant waterborne polyurethane coating and preparation method thereof
CN112679966A (en) * 2020-12-23 2021-04-20 广东邦普循环科技有限公司 Preparation method and application of composite material containing graphite and MOF
WO2022134747A1 (en) * 2020-12-23 2022-06-30 广东邦普循环科技有限公司 Preparation method for and application of composite material containing graphite and mof
CN112679966B (en) * 2020-12-23 2023-08-11 广东邦普循环科技有限公司 Preparation method and application of composite material containing graphite and MOF
GB2616800A (en) * 2020-12-23 2023-09-20 Guangdong Brunp Recycling Technology Co Ltd Preparation method for and application of composite material containing graphite and MOF
CN113663647A (en) * 2021-07-26 2021-11-19 安徽大学 Method for adsorbing and degrading metal organic framework material/graphene compound of organic pollutants
CN114957679A (en) * 2022-02-22 2022-08-30 中国科学院苏州生物医学工程技术研究所 Metal organic framework material fluorescent probe and pyridine dicarboxylic acid detection method
CN114957679B (en) * 2022-02-22 2023-09-05 中国科学院苏州生物医学工程技术研究所 Metal organic framework material fluorescent probe and pyridine dicarboxylic acid detection method

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