CN109647397A - A method of tungstic acid/Pt nanocomposite is prepared using tungstic acid discoloration - Google Patents
A method of tungstic acid/Pt nanocomposite is prepared using tungstic acid discoloration Download PDFInfo
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- CN109647397A CN109647397A CN201910100889.3A CN201910100889A CN109647397A CN 109647397 A CN109647397 A CN 109647397A CN 201910100889 A CN201910100889 A CN 201910100889A CN 109647397 A CN109647397 A CN 109647397A
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- tungstic acid
- nanocomposite
- electrode
- ptcl
- mano
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 27
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 title claims abstract description 24
- 238000002845 discoloration Methods 0.000 title claims abstract description 16
- 230000008021 deposition Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000011148 porous material Substances 0.000 claims abstract description 12
- 229910021607 Silver chloride Inorganic materials 0.000 claims abstract description 9
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003792 electrolyte Substances 0.000 claims abstract description 7
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 7
- 239000010439 graphite Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 8
- 229910002621 H2PtCl6 Inorganic materials 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 238000000151 deposition Methods 0.000 description 16
- 239000000243 solution Substances 0.000 description 13
- 238000004070 electrodeposition Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000002086 nanomaterial Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 238000002484 cyclic voltammetry Methods 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000001027 hydrothermal synthesis Methods 0.000 description 2
- 239000007783 nanoporous material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/652—Chromium, molybdenum or tungsten
- B01J23/6527—Tungsten
-
- B01J35/39—
-
- B01J35/394—
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/26—Anodisation of refractory metals or alloys based thereon
Abstract
A method of tungstic acid/Pt nanocomposite being prepared using tungstic acid discoloration, is related to a kind of WO3The preparation method of/Pt nanocomposite.It is to solve existing synthesis WO3The problem of method and step of/Pt nanocomposite is cumbersome, energy consumption is high.Method: one, it pre-processes: by WO3Mano-porous material, using Ag/AgCl as reference electrode, applies negative voltage using graphite as to electrode as working electrode；Two, it deposits: removing reference electrode and to electrode, electrolyte is poured out, deposition liquid is added, be placed in dark place standing；Three, it is cleaned and dried: by WO3Mano-porous material takes out, and rinses, and dries up to get WO is arrived3/ Pt nanocomposite.The step of the method for the present invention, is simple, and sedimentation time is of short duration, the WO of preparation3/ Pt nanocomposite has more excellent electrocatalysis characteristic.The present invention is used to prepare WO3/ Pt nanocomposite.
Description
Technical field
The present invention relates to a kind of WO3The preparation method of/Pt nanocomposite.
Background technique
For at present, it has been proposed that many is for synthesizing WO3The method of/Pt nanocomposite comprising chemical gas
Mutually deposition, atomic layer deposition, hydro-thermal method, solvent-thermal method and electro-deposition.But these methods all have certain problems.Chemical gas
The thin film coating of phase sedimentation although available purity is high, but its operating temperature is high, and the equipment for requiring profession, causes
Increased costs, and it is not easy enough.Although atomic layer deposition can control the deposition of monoatomic layer, but need the instrument of profession
Device, complex steps.Hydro-thermal method is similar with solvent-thermal method, requires washing, the centrifugation, drying and other steps of subsequent complexity, and real
It tests process and requires lasting hot environment substantially.
Electrodeposition process is to make to deposit cation in liquid under the action of outer making alive and be reduced to metal on the surface of the substrate
Atom is attached to electrode surface, and applying alive process is deposition process.Electro-deposition needs to apply always voltage, energy consumption compared with
Greatly.
Summary of the invention
The present invention is to solve existing synthesis WO3The problem of method and step of/Pt nanocomposite is cumbersome, energy consumption is high,
It provides a kind of using WO3Discoloration prepares WO3The method of/Pt nanocomposite.
The present invention prepares tungstic acid/Pt nanocomposite method using tungstic acid discoloration, including following
Step:
One, it pre-processes:
Under 40-45V voltage, using W piece as anode, Pt electrode is cathode, and anodic oxidation 1-2h obtains WO3Nano-pore material
Material；
By WO3Mano-porous material is as working electrode, using graphite as to electrode, using Ag/AgCl as reference electrode, and electricity
Solution liquid is dilute acid soln, applies the negative voltage 30s or more of 0.3-0.5V；WO at this time3Become blue；
Two, it deposits: removing reference electrode and to electrode, electrolyte is poured out, deposition liquid is added immediately, is placed in dark place, it is quiet
Set 0.5-2h；
Three, it is cleaned and dried: by WO3Mano-porous material takes out, and is rinsed with deionized water, then dries up to get WO is arrived3/ Pt receives
Nano composite material.
Further, the dilute acid soln is the HClO of 0.01-1mol/L4Solution
Further, the deposition liquid is H2PtCl6And H2SO4The mixed liquor or H of composition2PtCl6Solution.
Further, H in the mixed liquor2PtCl6Concentration be 5mmol/L, H2SO4Concentration be 0.5mol/L.
Further, the H2PtCl6H in solution2PtCl6Concentration be 5mmol/L.
The principle of the present invention:
Different from existing electro-deposition method, the method for the present invention applies alive process and is intended merely to make its discoloration, becomes
Chromogen reason is under electric field action, electronics and with the small H directly passed through+、Li+Deng single charged cations from WO3The two sides of film into
Enter in film, injected electrons is by W6+Ion reduction is W5+, W occurs6+And W5+Small polaron hopping between ion, so as to cause
Color change.The deposition principle of this method is, in color reversion process, W5+Become W6+, electronics is lost, Pt in liquid is deposited4+Very
It is possible that can capture this electronically forms Pt simple substance, WO is deposited to3Surface forms WO3/ Pt composite material.
Beneficial effects of the present invention:
The step of the method for the present invention, is simple, and sedimentation time is of short duration, significantly reduces in WO3The technique of Pt is deposited in substrate
Complexity.
The method of the present invention only applies negative voltage in other electrolyte makes it become blue, then is put into deposition liquid
In, entire deposition process is not necessarily to extraneous additional energy injection, and the WO for having deposited Pt can be obtained3Nanocomposite, and deposit
Pt particle degree of scatter it is good, the WO of preparation3/ Pt nanocomposite has more excellent electrocatalysis characteristic.
Without the equipment of high-end profession, to the also no requirement (NR) of the conditions such as temperature, pressure, and deposition process is infused without outside energy
Enter, fast energy-saving is low in cost.
Detailed description of the invention
Fig. 1 is WO in embodiment 13Post-depositional SEM photograph；
Fig. 2 is WO in embodiment 23Presedimentary SEM photograph；
Fig. 3 is WO in embodiment 13The EDS test result of/Pt nano material；
Fig. 4 is WO in embodiment 13/ Pt nano material linear sweep potential test result；
Fig. 5 is WO in embodiment 13/ Pt nano material cyclic voltammetry result.
Specific embodiment
The technical solution of the present invention is not limited to the following list, further includes between each specific embodiment
Any combination.
Specific embodiment 1: using tungstic acid discoloration to prepare tungstic acid/Pt nano combined for present embodiment
The method of material, comprising the following steps:
One, it pre-processes:
Under 40-45V voltage, using W piece as anode, Pt electrode is cathode, and anodic oxidation 1-2h obtains WO3Nano-pore material
Material；
By WO3Mano-porous material is as working electrode, using graphite as to electrode, using Ag/AgCl as reference electrode, and electricity
Solution liquid is dilute acid soln, applies the negative voltage 30s or more of 0.3-0.5V；
Two, it deposits: removing reference electrode and to electrode, electrolyte is poured out, deposition liquid is added immediately, is placed in dark place, it is quiet
Set 0.5-2h；
Three, it is cleaned and dried: by WO3Mano-porous material takes out, and is rinsed with deionized water, then dries up to get WO is arrived3/ Pt receives
Nano composite material.
Different from existing electro-deposition method, this method applies alive process and is intended merely to make its discoloration, and discoloration is former
Reason is under electric field action, electronics and with the small H directly passed through+、Li+Deng single charged cations from WO3The two sides of film enter film
Interior, injected electrons is by W6+Ion reduction is W5+, W occurs6+And W5+Small polaron hopping between ion, so as to cause color
Variation.The deposition principle of this method is, in color reversion process, W5+Become W6+, electronics is lost, Pt in liquid is deposited4+Having very much can
It can capture this and electronically form Pt simple substance, deposit to WO3Surface forms WO3/ Pt composite material.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: the dilute acid soln is 0.01-
The HClO of 1mol/L4Solution.It is other same as the specific embodiment one.
Specific embodiment 3: the present embodiment is different from the first embodiment in that: the dilute acid soln is
The HClO of 0.1mol/L4Solution.It is other same as the specific embodiment one.
Specific embodiment 4: the present embodiment is different from the first and the second embodiment in that: the deposition liquid is
H2PtCl6And H2SO4The mixed liquor or H of composition2PtCl6Solution.It is other the same as one or two specific embodiments.
Specific embodiment 5: present embodiment is unlike specific embodiment four: H in the mixed liquor2PtCl6
Concentration be 5mmol/L, H2SO4Concentration be 0.5mol/L.It is other identical as specific embodiment four.
Specific embodiment 6: present embodiment is unlike specific embodiment four: the H2PtCl6In solution
H2PtCl6Concentration be 5mmol/L.It is other identical as specific embodiment four.
Elaborate below to the embodiment of the present invention, following embodiment under the premise of the technical scheme of the present invention into
Row is implemented, and gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following realities
Apply example.
Embodiment 1:
The present embodiment prepares tungstic acid/Pt nanocomposite method using tungstic acid discoloration, including with
Lower step:
One, it pre-processes:
Under 40V voltage, using W piece as anode, Pt electrode is cathode, and anodic oxidation 1h obtains WO3Mano-porous material；
By WO3Mano-porous material is as working electrode, using graphite as to electrode, using Ag/AgCl as reference electrode, and electricity
Solve the HClO that liquid is 0.1mol/L4Solution applies the negative voltage 30s of 0.3V；WO at this time3Become blue；
Two, it deposits: removing reference electrode and to electrode, electrolyte is poured out, deposition liquid is added immediately, is placed in dark place, it is quiet
Set 0.5h；The H that the deposition liquid is 5mmol/L2PtCl6Solution；
Three, it is cleaned and dried: by WO3Mano-porous material takes out, and is rinsed with deionized water, then dries up to get WO is arrived3/ Pt receives
Nano composite material.
The WO that the present embodiment is prepared3/ Pt nanocomposite carries out following test:
(1) SEM is tested:
Fig. 1 is WO3Post-depositional electron scanning micrograph (20000 times of amplification), Fig. 2 WO3Presedimentary scanning electricity
Sub- microscope photo (20000 times of amplification).SEM test result shows after deposition in WO3Nanoporous surface has Pt particle.Fig. 3
For WO3The EDS test result of/Pt nano material.
Table 1
EDS test result obtains the element composition of 1 product of table after arranging, the result in table 1 indicates material by W, O, Pt group
At C is mainly due to the machine oil in the pollutant and scanning electron microscope of adsorption.
(2) linear sweep potential is tested:
In 0.5mol H2SO4In test fluid, working electrode area is 1cm2WO3/ Pt composite material is graphite to electrode
Electrode, reference electrode Ag/AgCl have been scaled hydrogen mark electrode in figure, in test result such as Fig. 4, Fig. 4 --- indicate WO3, --
Indicate WO3- ED ,-indicate WO3-BD.The nano combined WO obtained after this method deposition Pt3/ Pt-BD and pure WO3And electricity is heavy
The nano combined WO that product obtains3/ Pt-ED material is compared, and starting overpotential is down to 71mV, i.e. Hydrogen Evolution Performance is improved largely,
It is more prone to produce clean energy resource H2, and it is nano combined by being obtained after observation discovery this method deposition Pt in experiment
WO3/ Pt-BD can generate H2Rate is a kind of liberation of hydrogen material for being able to solve the energy and pollution problem faster.Illustrate this method
The WO of preparation3/ Pt nanocomposite has superior catalytic performance.
(3) cyclic voltammetry
In 0.1mol/L H2SO4+0.2mol/L CH3In OH solution, working electrode area is 1cm2WO3/ Pt composite wood
Material is graphite electrode to electrode, reference electrode Ag/AgCl, in test result such as Fig. 5, Fig. 5 --- indicate WO3, -- indicate WO3-
ED ,-indicate WO3-BD.The nano combined WO obtained after this method deposition Pt3/ Pt-BD and pure WO3And electro-deposition obtains
Nano combined WO3/ Pt-ED material is compared, and there are two apparent peaks in cyclic voltammetry curve, in 0.583V (V vs.Ag/
AgCl the peak at) is since material is to CH3The oxidation of OH is due to leading to CO at the peak of 0.423V (V vs.Ag/AgCl)
The removal of the carbons substance of poisoning, illustrates pure WO3And the nano combined WO that electro-deposition obtains3/ Pt-ED material does not have methanol
Oxidation, and the nano combined WO obtained after the method for the present invention deposition Pt3/ Pt-BD has good oxidation to methanol.
Illustrate the WO of this method preparation3/ Pt nanocomposite has superior catalytic performance.
Claims (6)
1. a kind of prepare tungstic acid/Pt nanocomposite method using tungstic acid discoloration, it is characterised in that should
Method the following steps are included:
One, it pre-processes:
Under 40-45V voltage, using W piece as anode, Pt electrode is cathode, and anodic oxidation 1-2h obtains WO3Mano-porous material；
By WO3Mano-porous material is as working electrode, using graphite as to electrode, using Ag/AgCl as reference electrode, electrolyte
For dilute acid soln, apply the negative voltage 30s or more of 0.3-0.5V；
Two, it deposits: removing reference electrode and to electrode, electrolyte is poured out, deposition liquid is added immediately, is placed in dark place, stands
0.5-2h；
Three, it is cleaned and dried: by WO3Mano-porous material takes out, and is rinsed with deionized water, then dries up to get WO is arrived3/ Pt nanometers multiple
Condensation material.
2. a kind of utilization tungstic acid discoloration according to claim 1 prepares tungstic acid/Pt nanocomposite
Method, it is characterised in that dilute acid soln described in step 1 be 0.01-1mol/L HClO4Solution.
3. a kind of utilization tungstic acid discoloration according to claim 1 prepares tungstic acid/Pt nanocomposite
Method, it is characterised in that dilute acid soln described in step 1 be 0.1mol/L HClO4Solution.
4. a kind of utilization tungstic acid discoloration according to claim 1 or 2 prepares the nano combined material of tungstic acid/Pt
The method of material, it is characterised in that deposition liquid described in step 2 is H2PtCl6And H2SO4The mixed liquor or H of composition2PtCl6Solution.
5. a kind of utilization tungstic acid discoloration according to claim 4 prepares tungstic acid/Pt nanocomposite
Method, it is characterised in that H in the mixed liquor2PtCl6Concentration be 5mmol/L, H2SO4Concentration be 0.5mol/L.
6. a kind of utilization tungstic acid discoloration according to claim 4 prepares tungstic acid/Pt nanocomposite
Method, it is characterised in that the H2PtCl6H in solution2PtCl6Concentration be 5mmol/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910100889.3A CN109647397B (en) | 2019-01-31 | 2019-01-31 | Method for preparing tungsten trioxide/Pt nano composite material by utilizing tungsten trioxide color-changing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910100889.3A CN109647397B (en) | 2019-01-31 | 2019-01-31 | Method for preparing tungsten trioxide/Pt nano composite material by utilizing tungsten trioxide color-changing performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109647397A true CN109647397A (en) | 2019-04-19 |
| CN109647397B CN109647397B (en) | 2021-03-23 |
Family
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|---|---|---|---|
| CN201910100889.3A Active CN109647397B (en) | 2019-01-31 | 2019-01-31 | Method for preparing tungsten trioxide/Pt nano composite material by utilizing tungsten trioxide color-changing performance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947376A (en) * | 2019-12-19 | 2020-04-03 | 华中科技大学 | Monoatomic noble metal anchoring defect type WO3/TiO2Nanotubes, their preparation and use |
| CN113262783A (en) * | 2021-04-06 | 2021-08-17 | 内蒙古大学 | Catalyst for catalyzing glycerol to be subjected to directional hydrogenolysis to propylene glycol and preparation method thereof |
| CN114892211A (en) * | 2022-06-21 | 2022-08-12 | 北京工业大学 | Visible electrocatalytic material and preparation method and application thereof |
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|---|---|---|---|---|
| CN1974890A (en) * | 2006-11-24 | 2007-06-06 | 大连理工大学 | Nanometer porous tungsten trioxide material and its prepn and application |
| CN101157033A (en) * | 2007-11-02 | 2008-04-09 | 中国科学院上海硅酸盐研究所 | A mesoporous Pt/WO* electro-catalyst and its preparing method |
| CN103022520A (en) * | 2011-09-27 | 2013-04-03 | 中国科学院大连化学物理研究所 | Fuel-cell catalyst Pt/WO3 and application thereof |
| CN109126767A (en) * | 2018-09-28 | 2019-01-04 | 南昌航空大学 | WO applied to degradation Florfenicol3Nanometer sheet and preparation method |
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2019
- 2019-01-31 CN CN201910100889.3A patent/CN109647397B/en active Active
Patent Citations (4)
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|---|---|---|---|---|
| CN1974890A (en) * | 2006-11-24 | 2007-06-06 | 大连理工大学 | Nanometer porous tungsten trioxide material and its prepn and application |
| CN101157033A (en) * | 2007-11-02 | 2008-04-09 | 中国科学院上海硅酸盐研究所 | A mesoporous Pt/WO* electro-catalyst and its preparing method |
| CN103022520A (en) * | 2011-09-27 | 2013-04-03 | 中国科学院大连化学物理研究所 | Fuel-cell catalyst Pt/WO3 and application thereof |
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| Title |
|---|
| PEDRO CASTILLERO ET AL.: "Formation of Subsurface W5+ Species in Gasochromic Pt/WO3 Thin Films Exposed to Hydrogen", 《J. PHYS. CHEM. C 》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947376A (en) * | 2019-12-19 | 2020-04-03 | 华中科技大学 | Monoatomic noble metal anchoring defect type WO3/TiO2Nanotubes, their preparation and use |
| CN110947376B (en) * | 2019-12-19 | 2021-04-06 | 华中科技大学 | Monoatomic noble metal anchoring defect type WO3/TiO2Nanotubes, their preparation and use |
| WO2021120359A1 (en) * | 2019-12-19 | 2021-06-24 | 华中科技大学 | Wo3/tio2 nanotube having monoatomic noble metal anchored defects, and preparation and use thereof |
| CN113262783A (en) * | 2021-04-06 | 2021-08-17 | 内蒙古大学 | Catalyst for catalyzing glycerol to be subjected to directional hydrogenolysis to propylene glycol and preparation method thereof |
| CN114892211A (en) * | 2022-06-21 | 2022-08-12 | 北京工业大学 | Visible electrocatalytic material and preparation method and application thereof |
| CN114892211B (en) * | 2022-06-21 | 2024-02-06 | 北京工业大学 | Visual electrocatalytic material and preparation method and application thereof |
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| Publication number | Publication date |
|---|---|
| CN109647397B (en) | 2021-03-23 |
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