CN109261214A - A kind of photochemical catalyzing prepares the preparation method of hydrogen catalyst - Google Patents

A kind of photochemical catalyzing prepares the preparation method of hydrogen catalyst Download PDF

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CN109261214A
CN109261214A CN201811199868.3A CN201811199868A CN109261214A CN 109261214 A CN109261214 A CN 109261214A CN 201811199868 A CN201811199868 A CN 201811199868A CN 109261214 A CN109261214 A CN 109261214A
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compound
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graphene oxide
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amine
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刘兴
赵兰华
赖华
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Hengyang Normal 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
    • B01J31/26Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • B01J31/28Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of the platinum group metals, iron group metals or copper
    • 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
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/04Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
    • C01B3/042Decomposition of water
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/15Nano-sized carbon materials
    • C01B32/182Graphene
    • C01B32/184Preparation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

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Abstract

The invention discloses the preparation methods that a kind of photochemical catalyzing prepares hydrogen catalyst, the modification of preparation and graphene oxide including graphene oxide, wherein the graphene oxide is first handled in the ultrasonic wave of organic alcoholic solution, afterwards by organic amine compound or azoles modification, graphene oxide after the modification is through organic solvent washing, centrifugation and vacuum drying, last graphene oxide original position Supported Pt Nanoparticles after the modification.The method for preparing catalyst that the photochemical catalyzing that the present invention invents prepares hydrogen has the characteristics that preparation flow is simple, production cost is low.

Description

A kind of photochemical catalyzing prepares the preparation method of hydrogen catalyst
Technical field
The present invention relates to catalysis material fields, and the preparation of hydrogen catalyst is prepared more particularly to a kind of photochemical catalyzing Method.
Background technique
In face of the worldwide energy and environmental problem in face of growing tension, solar energy photocatalytic hydrogen manufacturing being probed into and developing Become worldwide important topic again.Under suitable catalyst action, water is decomposed using sunlight catalytic and prepares hydrogen, at For one of the method for fundamentally solving the energy and environmental protection problem in the world today.According to system difference, light can be realized There are mainly two types of the approach of hydrogen production by water decomposition: first is that electrode photoelectric chemical breakdown water hydrogen manufacturing;Another kind is suspension system photocatalysis Decompose water oxygen.Compared with the former, the latter has the advantages such as react relatively easy, solid-liquid contact area obviously expands.Therefore, exist When researching and developing to photocatalysis hydrogen production technology, choosing to suitable photochemical catalyst becomes very crucial problem;It looks for simultaneously The preparation method that the photochemical catalyzing simple to a kind of process, production cost is low prepares hydrogen catalyst is similarly important.
Summary of the invention
The purpose of the present invention is to provide the preparation method that a kind of photochemical catalyzing prepares hydrogen catalyst, the preparation sides Method has the characteristics that preparation flow is simple, production cost is low, while gained catalyst has urging for good photochemical catalyzing Change activity, and hydrogen production efficiency is high, catalytic component is simple.
The technical solution adopted by the present invention is that: a kind of photochemical catalyzing prepares the preparation method of hydrogen catalyst, at least Following steps: the preparation of graphene oxide and the modification of graphene oxide, wherein the preparation of the graphene oxide includes Graphite reacts in strongly acidic solution with potassium permanganate strong oxidizer, carry out after having reacted it is cooling, distill water washing, centrifugation and It is dry;
The modification of the graphene oxide are as follows: graphene oxide first is handled in the ultrasonic wave of organic alcoholic solution, after by A kind of organic amine compound or azoles modification, the graphene oxide after modification are washed through organic solvent It washs, be centrifuged and be dried in vacuo, finally the Supported Pt Nanoparticles on the graphene oxide of modification.
Organic amine compound of the present invention refers to aromatic amine compounds, fat amine compound, alcamines Close object, amides compound, alicyclic ring aminated compounds, naphthalene system aminated compounds and polyethyleneimine, azanol, in hydrazine compound Any one compound.
Preferably, the fat amine compound be selected from methylamine, ethamine, ethylenediamine, propylamine, cyclopropylamine, n-butylamine, oneself Diamines, trioctylamine, decyl amine, any one compound in octadecylamine;
Or the alcamine compound is selected from ethyl alcohol, Propanolamine, N, N- dimethylethanolamine, N are appointed in N- diethyl ethylene diamine It anticipates a kind of compound;
Or the amides compound be selected from formamide, acetamide, propionamide, butyramide, polyacrylamide, caprolactam, Any one compound in dimethylformamide;
Or the alicyclic ring aminated compounds be selected from triethylenediamine, hexa, cyclic ethylene imines, morpholine, piperazine, Any one compound in cyclohexylamine;
Or the naphthalene system aminated compounds is selected from naphthylamines, 1-Naphthylamine-5-sulfonic, Kerafyrm acid, tobias acid, phthalimide, ox sulphur Any one compound in acid.
Azoles of the present invention in pyrroles, indoles, heteroauxin, tryptophan, ketoconazole any one Compound.
Strong acid of the present invention is preferably any one of phosphoric acid or sulfuric acid.
Graphite of the present invention is preferably 40 DEG C of ∽ with the reaction temperature of potassium permanganate strong oxidizer in strongly acidic solution 60℃。
Graphene oxide of the present invention is first handled in the ultrasonic wave of organic alcoholic solution, and the Organic Alcohol is methanol Or ethyl alcohol, processing time are 0.5 ∽ 2 hours.
The temperature of modification of the present invention is 60 ~ 150 DEG C, and the time is 10 ~ 30 hours.
Graphene oxide after modification of the present invention is organic solvent washing and vacuum drying.
Graphene receives the concern and research of common people as a kind of current novel electronic material.One layer of graphitic molecules One layer of arrangement, this leads to its interlayer physical active force very little, and also exactly it makes it in these excellent properties of configuration aspects There are important value and application in field of compound material.Graphite oxide is prepared into using graphite powder as raw material through aoxidizing.And oxygen Graphite alkene passes through under the physical means such as ultrasound, stirring in the solution usually using graphite oxide as presoma, and remove Individual layer laminated structure substance, graphene oxide have good dispersibility.
Graphene oxide is as being oxidation product by graphene, and oxygen-containing functional group thereon significantly increases, this makes it Property in terms of itself physics and chemistry is more active compared with graphene;Correspondingly, many substances are chemically reacted with oxygen-containing functional group, just The property of itself can be improved.
The present invention utilizes the oxygen-containing functional group on graphene oxide and containing on machine aminated compounds or azoles Certain chemical action occurs for nitrogen functional group, forms new compound, and noval chemical compound is provided with good photochemical catalyzing Catalytic activity, and the feature that hydrogen production efficiency is high, catalytic component is simple.
The method of the present invention has the characteristics that preparation flow is simple, production cost is low, while gained catalyst is with good The catalytic activity of photochemical catalyzing, and hydrogen production efficiency is high, catalytic component is simple.
Detailed description of the invention
Fig. 1 is graphene oxide infared spectrum prepared by embodiment 1;
Fig. 2 is graphene oxide X-ray diffraction scanning figure prepared by embodiment 1;
Fig. 3 is the graphene oxide infared spectrum modified through p-phenylenediamine prepared by embodiment 1;
Fig. 4 is the device structure schematic diagram that a kind of photochemical catalyzing prepares hydrogen;
In figure, 1, purge gas mechanism;2, gas vent control valve;3, high-pressure mercury light source;4, purge gas is vented valve;5, it blows Scavenging body is vented mechanism;6, control valve;7, hydrogen testing agency;8, photochemical catalyst and reacting solution;9, reactor;10, surpass Sound instrument;11, rabbling mechanism.
Specific embodiment
Below by example, present invention be described in more detail, but the present invention is not limited thereto.
Embodiment 1
(1) preparation of graphene oxide
The 360mL concentrated sulfuric acid and 40mL concentrated phosphoric acid are successively measured, and is successively transferred in the three-neck flask equipped with magnetite, magnetic force is placed in It is mixed on blender;3.0g graphite powder is weighed again to put into above-mentioned three-necked flask, and three-necked flask is placed in ice bath cryogenic conditions Under, then 18g KMnO is added in batches4, KMnO to be finished4Afterwards, the reactant in there-necked flask is made to be warming up to 50 DEG C, and in this condition Under, it flows back 20 hours.
After reaction sufficiently, crude product is obtained, room temperature is naturally cooled to.To shift to an earlier date again ready 400mL deionized water with 10mL30% H2O2The mixing ice cube of composition is poured into the reaction solution for having been transferred to large beaker, and is stirred, and whipping process exists It is carried out in ice bank, to absorb diluting concentrated sulfuric acid amplification calorimetric.
Then, above-mentioned product (successively operated wash and centrifugation three to four times) is purified with deionized water, it is molten to make that treated Liquid pH value can't detect SO near neutral value4 2-;Every time before centrifugation, being placed on magnetic stirring apparatus to centrifugate, stir Mix a quarter of an hour.
Product after purification is placed in 10 hours of processing in 60 DEG C of vacuum drying oven.It is then ground to powder, after being used for Continuous experiment.
Fig. 1 is the infrared spectrum of the graphene oxide of above method preparation, it can be seen that infrared spectroscopy 3402cm-1Place It is-OH stretching vibration peak, 1732cm-1Place is C=O flexural vibrations peak, 1228cm-1Place is that C-O-C stretching vibration peak is (most strong to absorb Peak) and 1049cm-1Place is C-O stretching vibration peak.Above-mentioned data are demonstrated with the presence of oxygen-containing functional group in the structure of matter, that is, It says that graphite completes the process being oxidized, generates novel substance.Wherein the not strong cause in the peak C=O is that it is only at graphite linings edge It can be formed;And epoxy group peak is not weak, illustrates that the quantity of epoxy group and hydroxyl is not within minority.
Fig. 2 is the graphene oxide X-ray diffraction scanning figure of above method preparation, it can be seen that x-ray diffraction pattern Scanning range is 100To 900, in 2 θ=11. 920, there is the characteristic diffraction peak of graphene oxide, and peak strength is big, i.e., in place Preparation relatively succeeds;2 θ are 20 to 300In section, there are graphite features diffraction maximum, show that its graphite oxidation is not enough.
(2) modification of the p-phenylenediamine to graphene oxide
0.500g graphene oxide powder is weighed with electronic balance, is dissolved in the beaker equipped with 100mL dehydrated alcohol, it is close Seal, and place it in Ultrasound Instrument handle 1 hour it is spare;
Then, 4.000g paraphenylenediamine is accurately weighed with balance, is dissolved in the three-necked flask equipped with 200mL same solvent In, paraphenylenediamine is easily oxidized rotten in the presence of light, therefore when taking p-phenylenediamine, should be protected from light, keep away oxygen, operation is wanted Rapidly.In logical protectiveness nitrogen, and under the premise of covering in reaction unit with the plastic bag of black, then by graphene oxide Ethanol solution is poured into paraphenylenediamine's solution, is reacted, is heated at reflux 24 hours at 80 DEG C.
To after the reaction was completed, with ethanol washing and be centrifuged above-mentioned crude product three to four times, then washed with tetrahydrofuran and from Heart product.The product of purification is finally placed in a vacuum drying oven room temperature to handle 2 hours.
Fig. 3 is the infrared spectrum of the graphene oxide after p-phenylenediamine is modified of above method preparation, it can be seen that 1398cm-1Place is C-N stretching vibration peak, 1576cm-1Place is-NH2Flexural vibrations peak, they are the characteristic peaks of amine.1005cm-1 Place is C-O stretching vibration peak (most at strong absworption peak), 1099cm-1Place is C-O-C stretching vibration peak, 2359cm-1Place is nitrogen nitrogen three The stretching vibration peak of key.Illustrate that p-phenylenediamine is reacted with graphene oxide, p-phenylenediamine carries out graphene oxide Modification.
(3) foundation of photocatalytic hydrogen production by water decomposition device
The device of photocatalytic hydrogen production by water decomposition gas is established according to Fig. 4, the device that the photocatalysis Decomposition prepares hydrogen mainly wraps Reactor (8), photochemical catalyst and reacting solution (9) and high-pressure sodium lamp light source (3) are included, wherein photochemical catalyst and reaction are water-soluble Liquid (9) is placed in reactor (8), and high-pressure sodium lamp light source (3) is placed in reactor (8) outside, and the wall of reactor (8) can allow x ray fluoroscopy x In to reactor (8).
In addition, being provided with rabbling mechanism (11) in reactor (8), the rabbling mechanism (11) is mainly used for being stirred to react Photochemical catalyst and reacting solution (9) in device (8) improve the rate that photochemical catalyzing prepares hydrogen.And reactor (8) is outside Bottom is also provided with Ultrasound Instrument (10), is mainly used for being dissolved to photochemical catalyst (9) is fully dispersed in reaction dissolvent before the reaction.
Reactor (8) top side is connected to purge gas mechanism (1), and the purge gas mechanism (1) provides purging Gas source, the gas are nitrogen or rare gas, for the purging of reactor before reacting and as the carrier gas of reaction process, Gas vent control valve (2) are provided in the purge gas mechanism (1), the throttling of gas is facilitated to control.
Reactor (8) top side has been also connected with purge gas emptying mechanism (5) and hydrogen testing agency (7), purge gass Body is vented the purging that mechanism (5) are used for reactor, and purge gas emptying valve is also provided in purge gas emptying mechanism (5) (4), after reactor purging, purge gas emptying valve (4) is closed, air-flow can enter hydrogen testing agency (7). Hydrogen testing agency (7) is used to detect the hydrogen that reaction generates, and hydrogen testing agency (7) arrival end is provided with control valve (6), uses Enter in hydrogen testing agency in control air-flow, hydrogen testing agency (7) is preferably gas chromatograph.
(4) photocatalytic hydrogen production by water decomposition
After establishing the device of photocatalytic hydrogen production by water decomposition gas according to above (3), 0.1000g is accurately weighed with assay balance Graphene oxide in (2) after p-phenylenediamine is modified above, is put into three-necked flask.It is accurate to be distinguished again with pipette Move into 0.67 mL chloroplatinic acid (concentration: 1.93 × 10-3Mol/L), 5 mL triethanolamines and isometric dehydrated alcohol are to flask In, and the distilled water of appropriate volume is added, so that overall solution volume is maintained at 60 mL, and magnetite is added, wherein platinum and photochemical catalyst Mass ratio is 0.25:100.Again by reaction system ultrasound 10min, and logical 25 min of high-purity nitrogen purges whole device, makes to fill Middle oxygen is set to be discharged.
Reaction unit carries out in the environment of room temperature condition, adds magnetite.Before illumination, first switch power supply is pre- by high-pressure sodium lamp Hot half an hour;After light intensity to be irradiated does not fluctuate, then reaction system is placed under lamp.Illumination reaction 3h rises, and carries out every hour The hydrogen that sampling is prepared with gas chromatographic detection detects 5 times altogether.
Embodiment 2-16
The p-phenylenediamine of (2) in embodiment 1 is replaced with into aromatic amine compounds such as o-phenylenediamine, m-phenylene diamine (MPD), aniline, biphenyl Amine, 23 dimethyl aniline, o ethyl aniline, N- butylaniline, 2,6- diethylaniline, formanilide, monoacetylaniline, 3- aminoanisole, parachloroanilinum, para-bromoaniline, the modification to fluorobenzene, paranitroanilinum to graphene oxide, other conditions with Embodiment 1 is identical, respectively corresponds to obtain embodiment 2-16.
Embodiment 17-26
By the p-phenylenediamine of (2) in embodiment 1 replace with fat amine compound methylamine, ethamine, ethylenediamine, propylamine, cyclopropylamine, The modification of n-butylamine, hexamethylene diamine, trioctylamine, decyl amine, octadecylamine to graphene oxide, other conditions are same as Example 1, respectively Correspondence obtains embodiment 17-26.
Embodiment 27-30
The p-phenylenediamine of (2) in embodiment 1 is replaced with into alcamine compound such as ethanol amine, Propanolamine, N, N- dimethyl ethanol Amine, N, modification of the N- diethyl ethylene diamine to graphene oxide, other conditions are same as Example 1, respectively correspond and implemented Example 27-30.
Embodiment 31-37
By the p-phenylenediamine of (2) in embodiment 1 replace with amides compound for example formamide, acetamide, propionamide, butyramide, The modification of polyacrylamide, caprolactam, dimethylformamide to graphene oxide, other conditions are same as Example 1, respectively Correspondence obtains embodiment 31-37.
Embodiment 38-43
By the p-phenylenediamine of (2) in embodiment 1 replace with alicyclic ring aminated compounds for example triethylenediamine, hexa, The modification of cyclic ethylene imines, morpholine, piperazine, cyclohexylamine to graphene oxide, other conditions are same as Example 1, respectively correspond Obtain embodiment 38-43.
Embodiment 44-49
The p-phenylenediamine of (2) in embodiment 1 is replaced with into naphthalene system aminated compounds such as naphthylamines, 1-Naphthylamine-5-sulfonic, Kerafyrm acid, Tu Shi The modification of acid, phthalimide, taurine to graphene oxide, other conditions are same as Example 1, respectively correspond to obtain Embodiment 44-49.
Embodiment 50-52
The p-phenylenediamine of (2) in embodiment 1 is replaced into other organic amine compounds such as to polyethyleneimine, azanol, hydrazine to oxygen The modification of graphite alkene, other conditions are same as Example 1, respectively correspond to obtain embodiment 50-52.
Embodiment 53-57
The p-phenylenediamine of (2) in embodiment 1 is replaced into azoles such as pyrroles, indoles, heteroauxin, tryptophan, ketone health The modification of azoles, other conditions are same as Example 1, respectively correspond to obtain embodiment 53-57.
Embodiment 58-61
(4) chloroplatinic acid additional amount in embodiment 1 is replaced with into 0.27mL, 1.34mL, 2.68mL, 13.4mL by 0.67mL respectively, Respectively obtaining platinum and photochemical catalyst mass ratio is 0.1:100,0.5:100,1:100,5:100, other conditions and 1 phase of embodiment Together, it respectively corresponds to obtain embodiment 58-61.
Embodiment 62-63
By (1) KMnO in embodiment 14Graphite oxide powder reactant is warming up to 50 DEG C of reactant liters replaced in there-necked flask respectively For temperature to 40 DEG C, 60 DEG C, other conditions are same as Example 1, respectively correspond to obtain embodiment 62-63.
Embodiment 64-65
P-phenylenediamine modification is replaced with respectively by 80 DEG C of reaction temperature of (2) p-phenylenediamine modification graphene oxide in embodiment 1 60 DEG C of the reaction temperature of graphene oxide, 95 DEG C, other conditions are same as Example 1, respectively correspond to obtain embodiment 64-65.
Embodiment 66-67
(2) p-phenylenediamine modification graphene oxide in embodiment 1 was replaced with p-phenylenediamine in the reaction time 20 hours respectively and repairs The 10 hours reaction time, 30 hours of graphene oxide are adornd, other conditions are same as Example 1, respectively correspond to obtain embodiment 66-67。
Embodiment 68-70
By (2) graphene oxide in embodiment 1, ultrasonication replaces with graphene oxide ultrasonic wave in methyl alcohol in ethanol Processing, other conditions are same as Example 1, respectively correspond to obtain embodiment 68.
(2) graphene oxide ultrasonic treatment time in embodiment 1 is replaced with 0.5 hour, 2 hours, other for 1 hour Part is same as Example 1, respectively corresponds to obtain embodiment 69-70.
Comparative example
Graphene oxide in embodiment 1 is directly used in photochemical catalyzing and prepares hydrogen, graphene oxide does not do any modification, Other conditions are same as Example 1, obtain comparative example.
The accumulative hydrogen output of embodiment 1-70 and comparative example in 5 hours is as shown in the following chart:
Embodiment Hydrogen output (μm ol) Embodiment Hydrogen output (μm ol)
1 4.3 37 3.4
2 4.0 38 3.6
3 4.0 39 3.6
4 3.9 40 3.3
5 3.9 41 3.1
6 3.8 42 3.1
7 3.8 43 3.6
8 3.8 44 3.1
9 3.8 45 3.1
10 3.7 46 3.1
11 3.7 47 3.0
12 3.8 48 3.0
13 3.7 49 2.9
14 3.7 50 3.3
15 3.7 51 3.5
16 3.9 52 3.0
17 3.9 53 4.1
18 3.9 54 3.8
19 3.9 55 3.9
20 3.9 56 3.9
21 3.7 57 3.9
22 3.7 58 3.8
23 3.1 59 4.2
24 3.1 60 4.1
25 2.8 61 4.1
26 2.8 62 3.9
27 3.7 63 4.1
28 3.7 64 3.8
29 3.7 65 4.0
30 3.6 66 3.9
31 3.8 67 4.2
32 3.8 68 4.1
33 3.5 69 3.9
34 3.5 70 4.2
35 3.5
36 3.4 Comparative example 2.1
From above-described embodiment it can be seen that the preparation flow of the method for the present invention is simple, production cost is low, while gained catalyst has There is the catalytic activity of good photochemical catalyzing, hydrogen production efficiency greatly improves.

Claims (9)

1. the preparation method that a kind of photochemical catalyzing prepares hydrogen catalyst, it is characterised in that at least following steps: oxidation stone The preparation of black alkene and the modification of graphene oxide, wherein the preparation of the graphene oxide includes that graphite is molten in highly acid It is reacted in liquid with potassium permanganate strong oxidizer, cooling is carried out after having reacted, distills water washing, centrifugation and drying;
The modification of the graphene oxide are as follows: graphene oxide first is handled in the ultrasonic wave of organic alcoholic solution, after by A kind of organic amine compound or azoles modification, the graphene oxide after modification are washed through organic solvent It washs, be centrifuged and be dried in vacuo, finally the Supported Pt Nanoparticles on the graphene oxide of modification.
2. preparation method according to claim 1, it is characterised in that the organic amine compound refers to aromatic amine Compound, fat amine compound, alcamine compound, amides compound, alicyclic ring aminated compounds, naphthalene system amine chemical combination Object and polyethyleneimine, azanol, any one compound in hydrazine compound.
3. preparation method according to claim 2, it is characterised in that: the fat amine compound is selected from methylamine, second Amine, ethylenediamine, propylamine, cyclopropylamine, n-butylamine, hexamethylene diamine, trioctylamine, decyl amine, any one compound in octadecylamine;
Or the alcamine compound is selected from ethyl alcohol, Propanolamine, N, N- dimethylethanolamine, N are appointed in N- diethyl ethylene diamine It anticipates a kind of compound;
Or the amides compound be selected from formamide, acetamide, propionamide, butyramide, polyacrylamide, caprolactam, Any one compound in dimethylformamide;
Or the alicyclic ring aminated compounds be selected from triethylenediamine, hexa, cyclic ethylene imines, morpholine, piperazine, Any one compound in cyclohexylamine;
Or the naphthalene system aminated compounds is selected from naphthylamines, 1-Naphthylamine-5-sulfonic, Kerafyrm acid, tobias acid, phthalimide, ox sulphur Any one compound in acid.
4. preparation method according to claim 1, it is characterised in that: the azoles be selected from pyrroles, indoles, Heteroauxin, tryptophan, any one compound in ketoconazole.
5. preparation method according to claim 1, it is characterised in that: the strongly acidic solution is phosphoric acid or sulfuric acid.
6. according to claim 1 to any one preparation method described in 4, it is characterised in that: the graphite is in strongly acidic solution In with the reaction temperature of strong oxidizer be 60 DEG C of 40 ∽.
7. according to claim 1 to any one preparation method described in 4, it is characterised in that: the Organic Alcohol be methanol or Ethyl alcohol, the graphene oxide ultrasonic treatment time are 0.5 ∽ 2 hours.
8. according to claim 1 to any one preparation method described in 4, it is characterised in that: the temperature of the modification is 60 95 DEG C of ∽, time are 10 ∽ 30 hours.
9. according to claim 1 to any one preparation method described in 4, it is characterised in that: the modification change after oxidation Graphene organic solvent washing and vacuum drying.
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