CN107311231A - A kind of ultra-thin two-dimension nanometer sheet with photocatalytic hydrogen production by water decomposition performance - Google Patents
A kind of ultra-thin two-dimension nanometer sheet with photocatalytic hydrogen production by water decomposition performance Download PDFInfo
- Publication number
- CN107311231A CN107311231A CN201710577841.2A CN201710577841A CN107311231A CN 107311231 A CN107311231 A CN 107311231A CN 201710577841 A CN201710577841 A CN 201710577841A CN 107311231 A CN107311231 A CN 107311231A
- Authority
- CN
- China
- Prior art keywords
- nbo
- hti
- nanometer sheet
- thin
- ultra
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000001257 hydrogen Substances 0.000 title claims abstract description 30
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 30
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000002356 single layer Substances 0.000 claims description 25
- 238000001035 drying Methods 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 3
- 238000007146 photocatalysis Methods 0.000 abstract description 3
- 238000005342 ion exchange Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000002135 nanosheet Substances 0.000 description 11
- 239000011941 photocatalyst Substances 0.000 description 11
- 239000003054 catalyst Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002086 nanomaterial Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 206010011224 Cough Diseases 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004630 atomic force microscopy Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001147 anti-toxic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010812 external standard method Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003836 solid-state method 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G33/00—Compounds of niobium
-
- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/20—Vanadium, niobium or tantalum
-
- 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—
-
- B01J35/39—
-
- B01J35/615—
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
- C01B3/042—Decomposition of water
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a kind of ultra-thin two-dimension nanometer sheet with photocatalytic hydrogen production by water decomposition performance, belong to material and prepare and photocatalysis technology field.Using stratiform HTi2NbO7For presoma, by ion exchange auxiliary liquid method, using TBAH as remover, ultra-thin two-dimension HTi is successfully synthesized2NbO7Nanometer sheet, HTi2NbO7The thickness of nanometer sheet only has 1.65nm, thickness of the thickness close to individual molecule.Preparation method of the present invention is simple, usability is strong, raw material is cheap and easy to get, energy-conserving and environment-protective, is conducive to large-scale industrial production, possesses significantly economic and social benefit.The ultra-thin two-dimension HTi of preparation2NbO7Nanometer sheet thickness is thin, and with big specific surface area, first Application is in photocatalytic hydrogen production by water decomposition and with efficient photocatalytic hydrogen production by water decomposition performance.
Description
Technical field
Prepared the invention belongs to material and photocatalysis technology field, and in particular to one kind has photocatalytic hydrogen production by water decomposition
The ultra-thin two-dimension nanometer sheet of energy.
Background technology
The use of clean energy resource can effectively solve energy crisis and the problem of environmental pollution triggers.Hydrogen Energy is considered as
It is one of most promising clean energy resource.Sunshine hydrogen production by water decomposition is absorbed using inorganic semiconductor photochemical catalyst to be recognized
To be most noticeable and most environmentally friendly mode.Ultra-thin two-dimension nano material is the emerging nano material of a class, and it has laterally
Size is more than 100nm or up to several microns of laminated structure, but thickness only has single or several atom thicks.Because electronics is limited
Make in two-dimensional environment, ultra-thin two-dimension nano material shows impayable physics, electronics and chemical property, therefore will be ultra-thin
Two-dimensional material is used for photocatalytic hydrogen production by water decomposition as catalysis material has vast potential for future development.
Ultra-thin two-dimension HTi2NbO7Nanometer sheet is a kind of monolayer nano material, and first Application is in photochemical catalyzing system
Hydrogen simultaneously has efficient photocatalytic hydrogen production by water decomposition performance, is that researcher recognizes the essence of light-catalyzed reaction from molecular level and carried
Supply possible, be significant for the essence for exploring light-catalyzed reaction.It is contemplated that aiding in liquid by ion exchange
Body method, develops a kind of new type superthin two dimension HTi2NbO7Nanometer sheet hydrogen material from photocatalytic water decomposition.
The content of the invention
It is an object of the invention in view of the shortcomings of the prior art, providing a kind of super with photocatalytic hydrogen production by water decomposition performance
Thin two-dimensional nano piece, the chemical formula of the two-dimensional nano piece is HTi2NbO7, thickness is 1.65 nm, and specific surface area is up to 107 m2/
G, long a width of 100-1000 nm, with efficient photocatalytic hydrogen production by water decomposition performance.Preparation method of the present invention is simple, raw material is honest and clean
Valency is easy to get, is conducive to large-scale industrial production, with significant economic and social benefit.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of preparation method of the ultra-thin two-dimension nanometer sheet with photocatalytic hydrogen production by water decomposition performance, is synthesized by high temperature solid-state method
Stratiform presoma CsTi2NbO7, stratiform presoma HTi is obtained by proton exchange2NbO7, with stratiform HTi2NbO7For presoma
Prepare monolayer HTi2NbO7Nanometer sheet, specifically includes following steps：
（1）Weigh the Cs of stoichiometric proportion2CO3、Nb2O5And TiO2After being fully ground uniformly, in Muffle furnace at a temperature of 1273 K
24 h are calcined, then calcining are repeated once, stratiform presoma CsTi is obtained2NbO7；
（2）By step（1）Obtained stratiform presoma CsTi2NbO7Add and proton-exchange reaction 7 days is carried out in acid solution, then
Washing, drying obtain stratiform presoma HTi2NbO7；
（3）Using TBAH solution as remover, by step（2）Obtained stratiform presoma HTi2NbO7It is added to
In TBAH solution, it is stirred at room temperature 7 days, forms uniform semi-transparent gelatin-like monolayer HTi2NbO7Nanometer
Piece suspension, is then made ultra-thin two-dimension HTi through centrifugation, drying again2NbO7Nanometer sheet.
Step（2）Described in acid solution be HNO3Solution, concentration is 6 mol/L.
Step（3）Described in TBAH solution mass fraction be 40%.
HTi produced by the present invention2NbO7The specific surface area of nanometer sheet is up to 107m2/ g, thickness is about 1.65nm, and length is a width of
100-1000nm, can efficiently separate photo-generated carrier, with larger planar dimension.As photochemical catalyst, first will
It, which is applied to photocatalytic hydrogen production by water decomposition domain variability, has efficient photocatalytic hydrogen production by water decomposition performance.
The beneficial effects of the present invention are：
（1）The present invention is first by monolayer HTi2NbO7Nanometer sheet is applied to photocatalytic hydrogen production by water decomposition field, with big
Specific surface area, can efficiently separate photo-generated carrier, be a kind of photochemical catalyst of excellent performance；
（2）The whole technical process of the present invention is simple and easy to control, and production process environmental protection, energy consumption is low, and yield is high, and cost is low,
Meet needs of production, be conducive to large-scale industrial production；
（3）Monolayer HTi2NbO7Nanometer sheet has efficient photochemical catalyzing H2-producing capacity, while having good work
Property stability, can easily carry out separating treatment in light-catalyzed reaction system, photochemical catalyst is antitoxin and renewable is strong,
High recycling rate, with higher practical value and application prospect.
Brief description of the drawings
The monolayer HTi that Fig. 1 is prepared for the present invention2NbO7The transmission electron microscope figure of nanometer sheet；
The monolayer HTi that Fig. 2 is prepared for the present invention2NbO7The atomic force microscopy diagram of nanometer sheet；
The monolayer HTi that Fig. 3 is prepared for the present invention2NbO7The photocatalytic hydrogen production by water decomposition activity figure of nanometer sheet；
The monolayer HTi that Fig. 4 is prepared for the present invention2NbO7The UV-vis DRS spectrum and Mott of nanometer sheet
Schottky Preventing cough test charts；
The monolayer HTi that Fig. 5 is prepared for the present invention2NbO7The low temperature nitrogen absorption test chart of nanometer sheet.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described, but the present invention is not limited only to these embodiments.
Embodiment
With powdered monolayer HTi2NbO7The preparation of nanosheet photocatalyst
The preparation process of the present invention is as follows：By the Cs of stoichiometric proportion2CO3、Nb2O5And TiO2After being fully ground uniformly, in Muffle
The h of 1273 K temperature lower calcinations 24 in stove, then repeats calcining once, obtains stratiform presoma CsTi2NbO7；Take 4 g stratiforms
CsTi2NbO7It is distributed to the mol/L of 400 ml 6 HNO3Solution carries out proton-exchange reaction seven days, is then centrifuged for washing to neutrality
It is to obtain stratiform presoma HTi in 333K oven for drying2NbO7；Take 2 g stratiform presoma HTi2NbO7It is added to 1.8 ml matter
Measure fraction in 40% TBAH solution, to be stirred at room temperature seven days, form uniform semi-transparent gelatin-like unimolecule
Layer HTi2NbO7Nanometer sheet suspension, then accumulates suspension centrifugation flocculation, by washing and drying again（333 K oven for drying 24
h）Obtain described powdered nanosheet photocatalyst.
Fig. 1 illustrates the monolayer HTi that the present invention is obtained2NbO7The transmission electron microscope figure of nanosheet photocatalyst,
The monolayer HTi prepared by the present invention is can be found that from Fig. 12NbO7Nanosheet photocatalyst is ultrathin nanometer sheet.Fig. 2
Illustrate the monolayer HTi that the present invention is obtained2NbO7The atomic force microscopy diagram of nanosheet photocatalyst, can send out from Fig. 2
Monolayer HTi prepared by the existing present invention2NbO7The thickness of nanosheet photocatalyst is about 1.65nm, and thickness is close to single point
The thickness of son.Fig. 4 illustrates the monolayer HTi that the present invention is obtained2NbO7The UV-vis DRS light of nanosheet photocatalyst
Spectrum and Mott Schottky Preventing cough test charts, can be found that the monolayer HTi prepared by the present invention from Fig. 42NbO7
The band gap of nanosheet photocatalyst is 3.51eV, and conduction band positions are -0.80 V（vs NHE）.Fig. 5 illustrates what the present invention was obtained
Monolayer HTi2NbO7The low temperature nitrogen absorption test chart of nanosheet photocatalyst, it can be found that the present invention is prepared from Fig. 5
Monolayer HTi2NbO7The specific surface area of nanosheet photocatalyst is up to 107m2/g。
Application examples
With powdered monolayer HTi2NbO7The photocatalytic hydrogen production by water decomposition application of nanosheet photocatalyst
The photochemical catalyst of preparation is used for photocatalytic hydrogen production by water decomposition, to evaluate its photocatalysis performance.Photochemical catalyst is obtained with above-mentioned
The powdered monolayer HTi arrived2NbO7Nanometer sheet, puts it into quartz reactor, and adds cushion rubber and quartz cover sealing, instead
Ying Qianxian is vacuumized, and then carries out illumination with all band xenon lamp simulated solar irradiation.Reaction product by on-line chromatograph every one section when
Between sample manually, the amounts of hydrogen of generation is determined using external standard method.Compare the powdered monolayer HTi of the invention obtained2NbO7
Nanometer sheet and stratiform presoma HTi2NbO7Photocatalytic activity, the two photocatalytic hydrogen production by water decomposition activity as shown in Figure 3.By
Knowable to Fig. 3, the powdered monolayer HTi that the present invention is obtained2NbO7Before the photocatalytic hydrogen production by water decomposition activity of nanometer sheet is stratiform
Drive body HTi2NbO731 times or so.Therefore, the powdered monolayer HTi that the present invention is obtained2NbO7Nanometer sheet has efficient
Photocatalytic hydrogen production by water decomposition performance.
The foregoing is only presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, should all belong to the covering scope of the present invention.
Claims (5)
1. a kind of ultra-thin two-dimension nanometer sheet with photocatalytic hydrogen production by water decomposition performance, it is characterised in that：The change of the nanometer sheet
Formula is HTi2NbO7, thickness is 1.65 nm, and specific surface area is up to 107 m2/ g, long a width of 100-1000 nm.
2. a kind of side for preparing the ultra-thin two-dimension nanometer sheet as claimed in claim 1 with photocatalytic hydrogen production by water decomposition performance
Method, it is characterised in that：Specifically include following steps：
（1）Weigh the Cs of stoichiometric proportion2CO3、Nb2O5And TiO2After being fully ground uniformly, in Muffle furnace at a temperature of 1273 K
24 h are calcined, then calcining are repeated once, stratiform presoma CsTi is obtained2NbO7；
（2）By step（1）Obtained stratiform presoma CsTi2NbO7Add and proton-exchange reaction 7 days is carried out in acid solution, then
Washing, drying obtain stratiform presoma HTi2NbO7；
（3）Using TBAH solution as remover, by step（2）Obtained stratiform presoma HTi2NbO7It is added to
In TBAH solution, it is stirred at room temperature 7 days, forms uniform semi-transparent gelatin-like monolayer HTi2NbO7Nanometer
Piece suspension, is then made ultra-thin two-dimension HTi through centrifugation, drying again2NbO7Nanometer sheet.
3. the preparation method of the ultra-thin two-dimension nanometer sheet according to claim 2 with photocatalytic hydrogen production by water decomposition performance,
It is characterized in that：Step（2）Described in acid solution be HNO3Solution, concentration is 6 mol/L.
4. the preparation method of the ultra-thin two-dimension nanometer sheet according to claim 2 with photocatalytic hydrogen production by water decomposition performance,
It is characterized in that：Step（3）Described in TBAH solution mass fraction be 40%.
5. a kind of application of ultra-thin two-dimension nanometer sheet as claimed in claim 1, it is characterised in that：Described ultra-thin two-dimension
HTi2NbO7Nanometer sheet is applied to photocatalytic hydrogen production by water decomposition field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710577841.2A CN107311231A (en) | 2017-07-15 | 2017-07-15 | A kind of ultra-thin two-dimension nanometer sheet with photocatalytic hydrogen production by water decomposition performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710577841.2A CN107311231A (en) | 2017-07-15 | 2017-07-15 | A kind of ultra-thin two-dimension nanometer sheet with photocatalytic hydrogen production by water decomposition performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107311231A true CN107311231A (en) | 2017-11-03 |
Family
ID=60177914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710577841.2A Pending CN107311231A (en) | 2017-07-15 | 2017-07-15 | A kind of ultra-thin two-dimension nanometer sheet with photocatalytic hydrogen production by water decomposition performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107311231A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108031481A (en) * | 2017-12-20 | 2018-05-15 | 福州大学 | Ultra-thin BiOX nanosheet photocatalyst that a kind of silver intercalation is peeled off and preparation method thereof |
| CN109622007A (en) * | 2018-12-04 | 2019-04-16 | 盐城工学院 | A kind of N doping composite photo-catalyst and preparation method thereof |
| CN110449148A (en) * | 2019-06-28 | 2019-11-15 | 天津大学 | Transient metal doped single layer titanium dioxide nanoplate and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102036918A (en) * | 2008-05-23 | 2011-04-27 | 独立行政法人物质·材料研究机构 | Dielectric film, dielectric element, and process for producing the dielectric element |
-
2017
- 2017-07-15 CN CN201710577841.2A patent/CN107311231A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102036918A (en) * | 2008-05-23 | 2011-04-27 | 独立行政法人物质·材料研究机构 | Dielectric film, dielectric element, and process for producing the dielectric element |
Non-Patent Citations (5)
| Title |
|---|
| KOSHO AKATSUKA等: "Electronic Band Structure of Exfoliated Titanium- and/or Niobium-Based Oxide Nanosheets Probed by Electrochemical and Photoelectrochemical Measurements", 《THE JOURNAL OF PHYSICAL CHEMISTRY C》 * |
| SHUIGUANG LUO等: "Rhodamine B sensitize HTi2NbO7 nanosheet for highly efficient reduction of water to hydrogen under visible light irradiation", 《第二届能源转化与存储国际研讨会 摘要集》 * |
| TYLER GUBB: "Colloidal Processing and Photocatalytic Properties of Titanate-Niobate Nanosheets", 《HTTPS://WWW.RESEARCHGATE.NET/PUBLICATION/312328217》 * |
| 王梦君等: "ＡＮＩ/ＨＴｉ２ＮｂＯ７层状纳米复合材料的合成及表征", 《淮海工学院学报》 * |
| 许磊: "钛基复合催化剂的构建及其光催化性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108031481A (en) * | 2017-12-20 | 2018-05-15 | 福州大学 | Ultra-thin BiOX nanosheet photocatalyst that a kind of silver intercalation is peeled off and preparation method thereof |
| CN108031481B (en) * | 2017-12-20 | 2019-12-31 | 福州大学 | Ultrathin bismuth oxyhalide nanosheet photocatalyst stripped by silver intercalation and preparation method thereof |
| CN109622007A (en) * | 2018-12-04 | 2019-04-16 | 盐城工学院 | A kind of N doping composite photo-catalyst and preparation method thereof |
| CN110449148A (en) * | 2019-06-28 | 2019-11-15 | 天津大学 | Transient metal doped single layer titanium dioxide nanoplate and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chen et al. | High piezo/photocatalytic efficiency of Ag/Bi5O7I nanocomposite using mechanical and solar energy for N2 fixation and methyl orange degradation | |
| Yu et al. | Non-noble metal Bi deposition by utilizing Bi2WO6 as the self-sacrificing template for enhancing visible light photocatalytic activity | |
| Zhang et al. | Au nanoparticles sensitized ZnO nanorod@ nanoplatelet core–shell arrays for enhanced photoelectrochemical water splitting | |
| Wang et al. | Enhanced photoelectrocatalytic activity for dye degradation by graphene–titania composite film electrodes | |
| CN103990485B (en) | Azotized carbon nano particle modifies composite bismuth vanadium photocatalyst and preparation method thereof | |
| Su et al. | Recent advances in the photocatalytic reduction of carbon dioxide | |
| CN106000431B (en) | Sheet CdS/BiOCl composite nano materials and preparation method thereof | |
| CN103638922B (en) | Preparation method of mesoporous tungsten trioxide/reduction-oxidation graphene composite photocatalyst | |
| CN106119882B (en) | The preparation of iron titanate/di-iron trioxide complex light electrode and surface modifying method | |
| Dai et al. | Magnetic ZnFe2O4@ ZnSe hollow nanospheres for photocatalytic hydrogen production application | |
| CN106206043B (en) | A kind of FeS2Nanometer rods/graphene is to electrode material and the preparation method and application thereof | |
| CN105044180A (en) | Preparation method and application of heterojunction photoelectrode | |
| CN103922395A (en) | TiO2 nanorod array film material and preparation method thereof | |
| Wang et al. | In situ decomposition-thermal polymerization method for the synthesis of Au nanoparticle–decorated gC 3 N 4 nanosheets with enhanced sunlight-driven photocatalytic activity | |
| CN106549068B (en) | A kind of Ag@Ag2S/TiO2The synthetic method of nanometer stick array | |
| CN107311231A (en) | A kind of ultra-thin two-dimension nanometer sheet with photocatalytic hydrogen production by water decomposition performance | |
| CN102703952A (en) | Method for preparing carbon boron nitrogen doped double-tube TiO2 nanotube array from ionic liquid on titanium base and application thereof | |
| CN110026207B (en) | CaTiO3@ZnIn2S4Nano composite material and preparation method and application thereof | |
| CN103191708B (en) | Quantum dot TiO2 loaded SiO2 photocatalyst and preparation method thereof | |
| CN104028309B (en) | A kind of compound visible light catalyst and preparation method thereof | |
| CN105568309A (en) | Preparation method for photoelectrode of photoelectrochemical cell | |
| CN110993355B (en) | Preparation method of two-dimensional titanium carbide substrate layer optimized alpha-phase iron oxide photo-anode | |
| Zhang et al. | Ta 2 O 5 NTs-TiO 2 nanodots heterostructure photocatalyst material for enhanced photodegradation and photoelectrochemical performance under simulated solar light | |
| CN103896331A (en) | Method for preparing two-dimensional TiO2 nanometer material through template method | |
| Liu et al. | Photocatalytic hydrogen production over In2S3–Pt–Na2Ti3O7 nanotube films under visible light irradiation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |