CN113332981A - Carbon dioxide reduction photocatalytic material, preparation method and application thereof - Google Patents
Carbon dioxide reduction photocatalytic material, preparation method and application thereof Download PDFInfo
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- CN113332981A CN113332981A CN202110658354.5A CN202110658354A CN113332981A CN 113332981 A CN113332981 A CN 113332981A CN 202110658354 A CN202110658354 A CN 202110658354A CN 113332981 A CN113332981 A CN 113332981A
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 239000000463 material Substances 0.000 title claims abstract description 74
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 65
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 64
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 60
- 230000009467 reduction Effects 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title abstract description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 43
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 claims abstract description 23
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229940112669 cuprous oxide Drugs 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000006356 dehydrogenation reaction Methods 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 239000011218 binary composite Substances 0.000 claims abstract description 10
- 238000011068 loading method Methods 0.000 claims abstract description 7
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 20
- 239000012279 sodium borohydride Substances 0.000 claims description 20
- MPTQRFCYZCXJFQ-UHFFFAOYSA-L copper(II) chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Cu+2] MPTQRFCYZCXJFQ-UHFFFAOYSA-L 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000002243 precursor Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000006722 reduction reaction Methods 0.000 abstract description 41
- 230000003197 catalytic effect Effects 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000031700 light absorption Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000010949 copper Substances 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 230000006798 recombination Effects 0.000 description 5
- 238000005215 recombination Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000010757 Reduction Activity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 208000033978 Device electrical impedance issue Diseases 0.000 description 1
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- JBANFLSTOJPTFW-UHFFFAOYSA-N azane;boron Chemical compound [B].N JBANFLSTOJPTFW-UHFFFAOYSA-N 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000007540 photo-reduction reaction Methods 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- 238000003786 synthesis reaction Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 238000002371 ultraviolet--visible spectrum Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/72—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/40—Carbon monoxide
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- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a carbon dioxide reduction catalytic material, a preparation method thereof and application of the carbon dioxide reduction catalytic material in combination with a dehydrogenation material in a method for improving reduction selectivity in carbon dioxide reduction. The carbon dioxide reduction catalytic material comprises a binary composite material formed by cuprous oxide and titanium dioxide, wherein the binary composite material is formed by loading the cuprous oxide on the titanium dioxide. The load capacity of the cuprous oxide loaded on the titanium dioxide is 1% -4%. The composite photocatalytic material shows improved light absorption and accelerated carrier separation, and the selectivity and activity of the material in the carbon dioxide reduction reaction are greatly improved due to the addition of the dehydrogenation material. The carbon dioxide reduction catalytic material has more excellent photocatalytic activity, and the composite material can still keep stable and efficient photocatalytic activity after multiple long-term tests. The catalytic material has the advantages of low price, high photocatalytic carbon dioxide reduction performance and good selectivity.
Description
Technical Field
The present invention relates to the field of chemical carbon dioxide reduction.
In particular to a carbon dioxide reduction catalytic material, a preparation method thereof and application of the material combined with dehydrogenation material in carbon dioxide reduction.
Background
The combustion produces large amounts of carbon dioxide (CO) due to the large use of fossil fuels2) Has caused great influence on the life of people. Problems such as melting of glaciers, rising of sea level due to the greenhouse effect also affect the safety of habitats for humans and animals. Thus, use is made of greenThe solar energy of the color cleaning energy is one of the best methods for solving the problem of large emission of carbon dioxide, and the concentration of carbon dioxide in the atmosphere is effectively reduced through photocatalysis, so that the greenhouse effect is slowed down. Photocatalytic carbon dioxide reduction (CO)2PR) by reacting CO with a semiconductor photocatalytic material having a suitable band gap under solar radiation2Reduction to other more efficient carbon-containing chemical materials (e.g. CO, CH)4Etc.) can reduce carbon emissions and improve greenhouse effect, and can simultaneously reduce CO2Conversion to useful basic chemical raw materials to CO2The resource utilization is realized.
Carbon dioxide photocatalytic reduction (CO)2PR) has attracted interest in this field, a series of semiconductor photocatalytic materials have been widely studied to solve the problem of excessive carbon dioxide emission. The semiconductor photocatalytic material with a proper band gap can generate electron and hole pairs after being excited by light, and then the electrons are transferred to surface acceptor molecules, so that the efficient reduction reaction is realized. By CO at the surface of the catalytic material2Adsorption of CO2The inert molecules are first activated, thereby reducing CO2The difficulty of receiving electron attack further promotes the transfer of electrons and protons, the breaking of old bonds and the generation of new bonds during the reduction process. Of course, there is also inevitably a carrier recombination phenomenon during the reaction, which severely inhibits the photocatalytic activity, and thus CO2In the development process of PR, it is imperative to explore and develop photocatalytic materials with higher efficiency and better carrier separation.
Titanium dioxide (TiO)2) The semiconductor photocatalytic material is stable, cheap, simple in preparation process, rich in reserves and the like, and is used as an excellent semiconductor photocatalytic material for research of carbon dioxide photocatalytic reduction. Blank titanium dioxide has serious electron and hole recombination and lower photocatalytic activity; the titanium dioxide is used as a substrate, and the preparation of the heterostructure and the loading of the cocatalyst material can greatly improve the photocatalytic activity of the material, accelerate the electron transmission, inhibit the recombination of photo-generated electrons and holes, and prolong the service life of the materialThe service life of electrons is prolonged, and the reduction activity and selectivity of the photocatalytic carbon dioxide are improved.
The existing photocatalytic carbon dioxide reduction reaction has the following disadvantages:
1. the noble metal part in the catalytic material has high cost and small reserve, and is not beneficial to industrialization.
2. Low separation capability of electrons and holes, low reduction activity of photocatalytic carbon dioxide and poor selectivity of products.
Disclosure of Invention
The invention aims to overcome the defects of the traditional technology and provides a carbon dioxide reduction catalytic material, a preparation method thereof and application of the carbon dioxide reduction catalytic material in combination with a dehydrogenation material in a method for improving reduction selectivity in carbon dioxide reduction. Dehydrogenation materials include sodium borohydride, nitrogen boride, ammonia borane, and the like. The carbon dioxide reduction catalytic material has the advantages of low price, high photocatalytic carbon dioxide reduction performance and good selectivity.
The aim of the invention is achieved by the following technical measures:
carbon dioxide reduction photocatalytic material, its characterized in that: the composite material comprises a binary composite material formed by cuprous oxide and titanium dioxide, wherein the binary composite material is formed by loading the cuprous oxide on the titanium dioxide.
As an improvement: the load capacity of the cuprous oxide loaded on the titanium dioxide is 1% -4%.
The preparation method of the carbon dioxide reduction photocatalytic material comprises the following steps:
s1, adding titanium dioxide into water, and dispersing;
s2, sequentially adding a copper chloride metal salt precursor and a sodium borohydride solution to prepare the cuprous oxide/titanium dioxide composite material;
s3, centrifuging the product of S2, and drying.
As an improvement: in step S1, the titanium dioxide is commercial titanium dioxide, and the mass ratio of the commercial titanium dioxide to water is 0.01-0.3: 30. the preferred mass ratio of commercial titanium dioxide to water is 0.1: 30.
as an improvement: in step S2, the copper chloride metal salt precursor is added first, then sodium borohydride is added, and stirring is performed for 30 minutes. The mass part of the added metal salt is changed, so that the proportion of the two substances in the composite material is regulated and controlled.
As an improvement: in step S2, the sodium borohydride is an aqueous sodium borohydride solution, the concentration of sodium borohydride in the aqueous sodium borohydride solution is 1-2M, and an excess amount is maintained during the reaction.
As an improvement: the copper chloride metal salt precursor is copper chloride dihydrate.
As an improvement: in step S3, the product of S2 was washed and then dried under vacuum.
The application method of the carbon dioxide reduction photocatalytic material is to add the carbon dioxide reduction photocatalytic material into a photocatalytic system.
As an improvement: a dehydrogenation material is added to the photocatalytic system. The addition of dehydrogenation material in the reaction process promotes the generation of hydrogen and carbon monoxide, and improves the selectivity of the product.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the advantages that:
1. titanium dioxide is used as a substrate photocatalytic semiconductor material, and copper nanoparticles are loaded on the titanium dioxide to prepare the titanium dioxide photocatalytic material loaded with the copper nanoparticles. The advantage that the dehydrogenation material can effectively separate hydrogen under the action of the catalytic material is utilized, and the dehydrogenation material is added in the carbon dioxide reduction reaction, so that the high-efficiency carbon dioxide photoreduction reaction with higher carbon monoxide selectivity is realized.
2. Due to the constructed binary composite photocatalytic material, the problem of carrier recombination of titanium dioxide can be solved; meanwhile, under the condition that the catalytic material exists, the selectivity of the carbon monoxide can be greatly improved mainly due to the enhancement of the light absorption performance, the increase of active sites and the like.
3. The catalytic material added into the system can keep the long-acting stable activity of multiple cycles.
The invention is further described with reference to the following figures and detailed description.
Drawings
FIG. 1 is an X-ray diffraction pattern (XRD) of titanium dioxide before and after complexing with cuprous oxide.
FIG. 2 shows the UV-VIS absorption spectrum (UV-DRS) of the cuprous oxide/titanium dioxide photocatalytic material.
FIG. 3 is a graph showing the photocatalytic reduction performance of carbon dioxide before and after addition of a dehydrogenation material.
FIG. 4 is a photo-catalytic cycle test chart of the cuprous oxide/titanium dioxide photo-catalytic material.
FIG. 5 is an electrochemical impedance plot (EIS) of titanium dioxide before and after complexing with cuprous oxide.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: the carbon dioxide reduction photocatalytic material comprises a binary composite material formed by cuprous oxide and titanium dioxide, wherein the cuprous oxide is loaded on the titanium dioxide to form the binary composite material with the loading capacity of 1% -4%. The most excellent catalytic activity is selected to be Cu by comparing the catalytic activities under the conditions of different loading ratios2O-TiO2。
Example 2: the method for preparing a carbon dioxide-reducing photocatalytic material as in example 1, comprising the steps of:
s1, adding titanium dioxide into water and dispersing.
Preferably, 0.1 parts of stabilized commercial titanium dioxide is added to 30 parts by mass of water. A round bottom flask was selected as the reaction vessel for the examination. The mass ratio of the commercialized titanium dioxide to water can be 0.01-0.3: 30, respectively.
And S2, sequentially adding a copper chloride metal salt precursor and a sodium borohydride solution to prepare the cuprous oxide/titanium dioxide composite material.
Preferably, in the aqueous solution dispersed with titanium dioxide, a copper chloride metal salt precursor is added, then a sodium borohydride solution is added, stirring is carried out for 30 minutes, and the proportion of the two substances in the composite material is regulated and controlled by changing the mass part of the added metal salt.
Preferably, the copper chloride metal salt precursor is copper chloride dihydrate.
Preferably, the sodium borohydride is an aqueous sodium borohydride solution, the concentration of the sodium borohydride in the aqueous sodium borohydride solution is 1-2M, and excess sodium borohydride is kept in the reaction.
And S3, centrifuging and drying the product of S2 to obtain the carbon dioxide reduction photocatalytic material.
Preferably, the product of S2 is washed and dried under vacuum.
Example 3: the method of using the carbon dioxide reduction photocatalytic material of example 1, the above carbon dioxide reduction photocatalytic material was added to the photocatalytic system. 0-5M of dehydrogenation material is added during the photocatalytic carbon dioxide reduction reaction. The carbon dioxide reduction photocatalytic material changes the product selectivity of the carbon dioxide reduction reaction and improves the photocatalytic activity of the carbon dioxide reduction reaction.
Preferably, the reaction is vacuumized, and then carbon dioxide gas is introduced to balance.
As a method for laboratory verification and inspection of the characteristics of the carbon dioxide reduction photocatalytic material, after the device is stabilized, a photocatalytic carbon dioxide reduction reaction is carried out under simulated sunlight irradiation of a xenon lamp, and the activity of a reaction product every half an hour is recorded.
The cuprous oxide/titanium dioxide composite photocatalytic material can accelerate the separation of electrons and holes by forming a heterostructure; the addition of the dehydrogenation material can change the selectivity of the carbon product of the reaction system and improve the selectivity and yield of carbon monoxide and formic acid in the product.
As shown in the attached figure 1, the X-ray diffraction diagram of commercial titanium dioxide before and after being loaded with cuprous oxide, a blank titanium dioxide sample and a composite material after being loaded with cuprous oxide can accurately correspond to anataseOre TiO2The characteristic peak of (JCPDS card No. PDF # 21-1272) proves the stability of the material before and after synthesis.
The light absorption capacity of the binary composite material is explored by adopting an ultraviolet visible absorption spectrogram.
As shown in fig. 2, the blank anatase titanium dioxide exhibits typical ultraviolet band absorption, and with the loading of the copper nanoparticles, the absorption of the sample in the visible light region is significantly enhanced, which is beneficial to more effectively utilizing solar energy, thereby realizing the improvement of the photocatalytic reaction performance and making the material more advantageous in photocatalysis.
As shown in FIG. 3, the CO and CH of all samples were measured under light alone4The yield is less than 0.5 mu mol g-1h-1However, with the addition of the dehydrogenated material, the CO production of the samples before and after compounding was greatly increased. The CO yield of the blank titanium dioxide was about 2.8. mu. mol g-1 h-1The activity is obviously improved after the copper nanoparticles are added, and is about 7.84 mu mol g-1 h-1。
As shown in figure 4, the activity of the composite material is reduced to some extent under continuous circulation, but experiments show that after a sample is kept still for a period of time, the sample can recover the original activity. The valence state cycle process realized by adopting the copper material can ensure that cuprous oxide is more stably loaded on titanium dioxide while realizing high-efficiency CO selectivity, thereby ensuring the chemical stability of the photocatalytic material.
And testing the electron-hole separation condition of the sample before and after recombination by adopting electrochemical impedance.
As shown in FIG. 5, Cu was loaded2After O, the diameter of the electrochemical impedance decreased significantly, demonstrating Cu2O and TiO2The combination of (2) can promote electrochemical impedance reduction and photon-generated carrier separation, accelerate electron transfer reaction and further improve photocatalytic activity.
Although several embodiments of the present invention have been described in detail, the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. Carbon dioxide reduction photocatalytic material, its characterized in that: the composite material comprises a binary composite material formed by cuprous oxide and titanium dioxide, wherein the binary composite material is formed by loading the cuprous oxide on the titanium dioxide.
2. The carbon dioxide reduction photocatalytic material according to claim 1, characterized in that: the load capacity of the cuprous oxide loaded on the titanium dioxide is 1% -4%.
3. The method for preparing a carbon dioxide-reducing photocatalytic material according to claim 1, characterized in that: the method comprises the following steps:
s1, adding titanium dioxide into water, and dispersing;
s2, sequentially adding a copper chloride metal salt precursor and a sodium borohydride solution to prepare the cuprous oxide/titanium dioxide composite material;
s3, centrifuging the product of S2, and drying.
4. The method for preparing a carbon dioxide-reducing photocatalytic material according to claim 3, characterized in that: in step S1, the titanium dioxide is commercial titanium dioxide, and the mass ratio of the commercial titanium dioxide to water is 0.01-0.3: 30.
5. The method for preparing a carbon dioxide-reducing photocatalytic material according to claim 3, characterized in that: in step S2, the copper chloride metal salt precursor is added first, then sodium borohydride is added, and stirring is performed for 30 minutes.
6. The method for preparing a carbon dioxide-reducing photocatalytic material according to claim 3, characterized in that: in step S2, the sodium borohydride is an aqueous sodium borohydride solution, the concentration of sodium borohydride in the aqueous sodium borohydride solution is 1-2M, and an excess amount is maintained during the reaction.
7. The method for preparing a carbon dioxide-reducing photocatalytic material according to claim 3, characterized in that: the copper chloride metal salt precursor is copper chloride dihydrate.
8. The method for preparing a carbon dioxide-reducing photocatalytic material according to claim 3, characterized in that: in step S3, the product of S2 was washed and then dried under vacuum.
9. The method for applying a photocatalytic material for carbon dioxide reduction according to claim 1, characterized in that: the carbon dioxide reducing photocatalytic material according to claim 1 is added to a photocatalytic system.
10. The method for applying a carbon dioxide reduction photocatalytic material according to claim 9, characterized in that: a dehydrogenation material is added to the photocatalytic system.
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| CN116422328A (en) * | 2023-03-16 | 2023-07-14 | 上海电力大学 | Binary/ternary nano heterojunction, one-step preparation method and application thereof |
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