CN107497427B - 一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法 - Google Patents
一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法 Download PDFInfo
- Publication number
- CN107497427B CN107497427B CN201710807591.7A CN201710807591A CN107497427B CN 107497427 B CN107497427 B CN 107497427B CN 201710807591 A CN201710807591 A CN 201710807591A CN 107497427 B CN107497427 B CN 107497427B
- Authority
- CN
- China
- Prior art keywords
- graphene
- zno
- particles
- silver
- nano particles
- 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.)
- Active
Links
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 210
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 105
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 61
- 239000002131 composite material Substances 0.000 title claims abstract description 49
- 230000000593 degrading effect Effects 0.000 title claims abstract description 18
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 14
- 239000004332 silver Substances 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims description 69
- 239000002105 nanoparticle Substances 0.000 claims abstract description 54
- 238000005240 physical vapour deposition Methods 0.000 claims abstract description 14
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 11
- -1 polyethylene Polymers 0.000 claims abstract description 9
- 235000013162 Cocos nucifera Nutrition 0.000 claims abstract description 8
- 244000060011 Cocos nucifera Species 0.000 claims abstract description 8
- 239000004698 Polyethylene Substances 0.000 claims abstract description 8
- 229920000573 polyethylene Polymers 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims abstract description 8
- 239000002114 nanocomposite Substances 0.000 claims abstract description 6
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 9
- 239000002244 precipitate Substances 0.000 claims description 8
- 239000011701 zinc Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 229910052774 Proactinium Inorganic materials 0.000 claims description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 abstract description 13
- 230000001699 photocatalysis Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007146 photocatalysis Methods 0.000 abstract description 5
- 238000002198 surface plasmon resonance spectroscopy Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 11
- 239000004065 semiconductor Substances 0.000 description 8
- 239000011941 photocatalyst Substances 0.000 description 7
- 239000003575 carbonaceous material Substances 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 239000002086 nanomaterial Substances 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009396 hybridization Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002082 metal nanoparticle Substances 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002096 quantum dot Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 229910021392 nanocarbon Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Images
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
- B01J23/60—Platinum group metals with zinc, cadmium or mercury
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
- B01J37/0221—Coating of particles
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/084—Decomposition of carbon-containing compounds into carbon
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/088—Decomposition of a metal salt
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/342—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of electric, magnetic or electromagnetic fields, e.g. for magnetic separation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/18—Metallic material, boron or silicon on other inorganic substrates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/223—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating specially adapted for coating particles
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4417—Methods specially adapted for coating powder
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/20—Capture or disposal of greenhouse gases of methane
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Thermal Sciences (AREA)
- Dentistry (AREA)
- Zoology (AREA)
- Analytical Chemistry (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental Sciences (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
- Carbon And Carbon Compounds (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
本申请公开了一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法，其特征在于，包括以下步骤：(1)制备纳米ZnO颗粒；(2)通过物理气相沉积将Ag纳米颗粒均匀的分散在ZnO纳米颗粒上，以化学气相沉积的方式将石墨烯嵌入到Ag/ZnO纳米复合结构中，形成Ag/石墨烯/ZnO复合纳米颗粒。并可以进一步将步骤(2)制备的Ag/石墨烯/ZnO复合纳米颗粒和椰壳活性碳以及聚乙烯混合，烧结成富含Ag/石墨烯/ZnO纳米颗粒的烧结活性碳颗粒。所得到的Ag/石墨烯/ZnO复合材料本申请通过银纳米粒子在可见光下的表面等离子共振效应突破了现有产品只有在紫外光下才能起到光催化效果的技术瓶颈，光催化效果好，简洁，高效。
Description
技术领域
本申请涉及一种光催化剂的制备方法，具体涉及一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法。
背景技术
光催化技术以半导体纳米材料二氧化钛TiO2为代表，利用自然光即可催化分解细菌和污染物，具有高催化活性、良好的化学稳定性和热稳定性、无二次污染、无刺激性、安全无毒等特点，且能长期有益于生态自然环境，是最具有开发前景的绿色环保催化剂之一。
氧化锌ZnO是一种具有卓越性能的新型宽禁带、高激发能的半导体材料，特殊的电子结构使它具有优异的电、磁、光等效应。氧化锌与二氧化钛相比，二者禁带宽度相当，但氧化锌生产工艺简单、成本低廉，因此成为目前被广泛研究的光催化半导体材料。然而，低量子产率和缺乏可见光利用阻碍了ZnO的实际应用。在ZnO粒子表面沉积贵金属是一种有效的半导体光催化剂改性方法，贵金属的掺杂可改变体系中的电子分布，使纳米半导体产生晶格缺陷和杂质能级，从而改善光量子效率，提高氧化还原能力，扩大光谱吸收范围。贵金属掺杂半导体能有效提高光生电荷与光生空穴的分离，是当前光催化剂改性研究中的一个热点。此外，碳材料修饰因其较好的效果而得到广泛的研究。碳材料不仅可以作为电子接受体，提高氧化锌半导体光生电子-空穴的分离率，而且有些碳材料本身具有一定的禁带宽度，可作为光敏化剂，自身形成光生电子，同时，由于碳材料的特殊结构特点还可以作为有机污染物的吸附剂，从而提高半导体氧化物的光催化效率，石墨烯是一种新型纳米碳材料，近年来得到了快速的发展。CN104941643A公开了一种银-石墨烯量子点/氧化锌三元光催化剂的制备方法，该方法利用电化学循环伏安法制备石墨烯量子点水溶液，利用溶胶-凝胶旋涂热处理技术制备三元光催化剂薄膜，其中，含有石墨烯量子点的水溶液不仅作为溶剂溶解氧化锌前驱体溶液，而且作为还原剂原位还原银离子，这种三元光催化剂充分利用了碳纳米材料以及贵金属纳米颗粒对提高氧化锌半导体光催化性能的优势，有效的提高了氧化锌半导体光催化剂在可见光区域的光催化性能。
但是，现有市面上流行的光触媒只能在紫外线的条件下才能发挥作用，或是用杂化方式，比如氮杂化，改变导带位置，从而可以吸收可见光来进行光催化。
发明内容
针对现有技术存在的上述不足，本发明的目的在于提供一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法。
为实现以上目的，本发明提供的一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法，采用如下技术方案：
一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法，包括以下步骤：
(1)制备纳米ZnO颗粒：将Zn(NO3)2溶液边搅拌边加入NaOH溶液，静置，将生成的沉淀物进行过滤，洗涤，并烘干，再将干燥好的沉淀物放在马弗炉里焙烧，冷却后研磨，得到ZnO纳米颗粒；
(2)Ag/石墨烯/ZnO的制备：通过物理气相沉积将Ag纳米颗粒均匀的分散在步骤(1)得到的ZnO纳米颗粒上，形成Ag/ZnO复合纳米颗粒；然后以Ag/ZnO复合纳米颗粒为基体，以甲烷为碳源，以化学气相沉积的方式将石墨烯嵌入到Ag/ZnO纳米复合结构中，形成Ag/石墨烯/ZnO复合纳米颗粒。
优选的，进一步包含步骤(3)：将步骤(2)制备的Ag/石墨烯/ZnO复合纳米颗粒和椰壳活性碳以及聚乙烯混合，烧结成富含Ag/石墨烯/ZnO纳米颗粒的烧结活性碳颗粒。
进一步地，所述步骤(2)中，物理气相沉积过程中，首先抽真空至0.05帕，并保持真空度不低于0.1Pa。
优选的，所述步骤(2)中，ZnO和Ag的质量比为20：1。
优选的，所述步骤(1)中Zn(NO3)2溶液的浓度为1mol/L，NaOH溶液的浓度为2mol/L，Zn(NO3)2溶液与NaOH溶液的体积比为1:1。
优选的，所述步骤(2)中，化学气相沉积在气压为10-4Pa，温度为900℃的条件下进行。
优选的，所述步骤(3)中Ag/ZnO复合纳米颗粒、椰壳活性碳以及聚乙烯的质量比为1：100：2。
优选的，所述步骤(3)中烧结条件为：压力为2个大气压，温度为220℃，烧结时间为3小时。
本申请所述的物理气相沉积也即PVD(Physical Vapor Deposition)，是指在真空条件下，采用低电压、大电流的电弧放电技术，利用气体放电使靶材蒸发并使被蒸发物质与气体都发生电离，利用电场的加速作用，使被蒸发物质及其反应产物沉积在工件上。
发明人发现，将银纳米颗粒以PVD方式分散在ZnO纳米颗粒上，不仅能够使分散更加均匀，而且能够形成特殊的Ag/ZnO复合纳米结构，并进一步通过化学气相沉积形成Ag/石墨烯/ZnO复合纳米颗粒，在可见光的情况下，银纳米颗粒可以产生表面等离子体共振，可以将被自身激发的活性电子通过导电性极高的石墨烯传输到ZnO的导带上，银纳米颗粒会留下活性正电荷，可以氧化降解甲醛等有机物。
在紫外光存在条件下，ZnO纳米颗粒在紫外光照射下所产生的活性电子和正电荷空穴，以及从银纳米颗粒得到的活性电子，同样可以降解有机物，具有杀菌和消毒的作用。
根据本申请方法制备得到的可降解甲醛的含有Ag/石墨烯/ZnO的复合材料，可以用于室内空气处理，例如做成成品放置在室内，车内或是其它场所内，可以降解甲醛，吸附空气中的粉尘和其它有害杂质；也可以和空气净化器结合，达到空气的全方位净化。
根据本申请方法制备得到的可降解甲醛的含有Ag/石墨烯/ZnO的复合材料，可以用于降解甲醛。
与现有技术相比，本申请具有以下有益效果：
(1)ZnO纳米颗粒上进行PVD方式将银纳米颗粒均匀分散进行装饰，使银纳米颗粒更为均匀的分散在ZnO纳米颗粒上，又通过化学气相沉积(CVD)方式将导电性极强的石墨烯嵌入到Ag和ZnO之间，使银纳米颗粒在可见光照射下产生的活性电子更有效率的传导给ZnO纳米颗粒。Ag/石墨烯/ZnO纳米组合结构显示出更高的可见光和紫外(UV)光吸收，这导致对甲醛降解的光催化活性显着提高。银纳米颗粒的等离子体共振(SPR)，显着改善了光激发ZnO的电荷分离。通过本申请方法所获得的复合纳米结构，可以收获可见光通过SPR效应来增强由紫外光引发的光催化活性，从而更有效地利用太阳能光谱进行能量转换，通过银纳米粒子在可见光下的表面等离子共振效应突破了现有产品只有在紫外光下才能起到光催化效果的技术瓶颈。
(2)将Ag/石墨烯/ZnO复合纳米颗粒和椰壳活性碳以及粘合剂聚乙烯烧结在一块，形成富含Ag/石墨烯/ZnO复合纳米颗粒的烧结活性碳颗粒，让Ag/石墨烯/ZnO纳米颗粒更为有效的附着在活性碳上，发挥其光催化的效果。
(3)本申请Ag/石墨烯/ZnO复合纳米结构利用了金属纳米颗粒的表面等离子体共振，从而在金属纳米颗粒上产生活性电子和空穴，从而提高整个系统光催化效果，可以在可见光下进行甲醛的降解，简洁，高效。
附图说明
通过阅读参照以下附图对非限制性实施例所作的详细描述，本发明的其它特征、目的和优点将会变得更明显：
图1为本申请Ag/石墨烯/ZnO纳米颗粒工作原理图；
1-导带；2-价带；3-可见光；4-紫外光。
具体实施方式
下面结合具体实施例对本发明进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本发明，但不以任何形式限制本发明。应当指出的是，对本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进。这些都属于本发明的保护范围。
实施例1
一种可以降解甲醛的Ag/石墨烯/ZnO复合材料的制备方法，包括以下步骤：
(1)制备纳米ZnO颗粒：量取1mol/LZn(NO3)2的溶液50mL放入200ml烧杯里，边搅拌边加入50mL 2mol/LNaOH溶液。静置一天时间。将生成的沉淀过滤，洗涤，80度烘箱中烘干。将干燥好的沉淀放在马弗炉里焙烧3h。冷却后研磨即可得ZnO纳米颗粒；
(2)Ag/石墨烯/ZnO的制备：通过物理气相沉积将Ag纳米颗粒均匀的分散在步骤(1)得到的ZnO纳米颗粒上，形成Ag/ZnO复合纳米颗粒，物理气相沉积过程中，首先抽真空至0.05帕，并保持真空度不低于0.1Pa，ZnO和Ag的质量比为20：1；然后以Ag/ZnO复合纳米颗粒为基体，以甲烷为碳源，在气压为10-4Pa，900℃高温下，以CVD(Chemical VaporDeposition)的方式将石墨烯嵌入到Ag/ZnO纳米复合结构中，形成最终的Ag/石墨烯/ZnO复合材料。
将本实施例制备得到的Ag/石墨烯/ZnO复合纳米颗粒放置于反应器中，进行甲醛处理的试验，结果表面甲醛降解率91％。
如图1所示，本申请制备得到的这种Ag/石墨烯/ZnO的复合结构，可以在可见光3的情况下，Ag纳米颗粒位于ZnO纳米颗粒的表面，石墨烯嵌入到Ag和ZnO之间，ZnO纳米颗粒中一部分为导带1，一部分为价带2，在可见光的情况下，银纳米颗粒可以产生表面等离子体共振，可以将被自身激发的活性电子通过导电性极高的石墨烯传输到ZnO的导带1上，银纳米颗粒会留下活性正电荷，可以氧化降解甲醛等有机物。在紫外光4存在条件下，ZnO纳米颗粒在紫外光照射下所产生的活性电子和正电荷空穴，以及从银纳米颗粒得到的活性电子，同样可以降解有机物，具有杀菌和消毒的作用。
实施例2
一种可以降解甲醛的Ag/石墨烯/ZnO复合材料的制备方法，包括以下步骤：
(1)制备纳米ZnO颗粒：量取1mol/LZn(NO3)2的溶液50mL放入200ml烧杯里，边搅拌边加入50mL 2mol/LNaOH溶液。静置一天时间。将生成的沉淀过滤，洗涤,80度烘箱中烘干。将干燥好的沉淀放在马弗炉里焙烧3h。冷却后研磨即可得ZnO纳米颗粒；
(2)Ag/石墨烯/ZnO的制备：通过物理气相沉积将Ag纳米颗粒均匀的分散在步骤(1)得到的ZnO纳米颗粒上，形成Ag/ZnO复合纳米颗粒，物理气相沉积过程中，首先抽真空至0.05帕，并保持真空度不低于0.1Pa，ZnO和Ag的质量比为20：1；然后以Ag/ZnO复合纳米颗粒为基体，以甲烷为碳源，在气压为10-4Pa，900℃高温下，以CVD(Chemical VaporDeposition)的方式将石墨烯嵌入到Ag/ZnO纳米复合结构中，形成最终的Ag/石墨烯/ZnO复合材料；
(3)将步骤(2)制备的Ag/石墨烯/ZnO复合纳米颗粒和椰壳活性碳以及聚乙烯混合，其中Ag/石墨烯/ZnO复合纳米颗粒、椰壳活性碳以及聚乙烯的质量比为1：100：2，在压力为2个大气压，220℃条件下，3个小时，烧结成富含Ag/石墨烯/ZnO纳米颗粒的烧结活性碳颗粒。
将本实施例制备得到的Ag/石墨烯/ZnO复合纳米颗粒放置于反应器中，进行甲醛处理的试验，结果表面甲醛降解率为95％。
以上对本发明的具体实施例进行了描述。需要理解的是，本发明并不局限于上述特定实施方式，本领域技术人员可以在权利要求的范围内做出各种变形或修改，这并不影响本发明的实质内容。
Claims (6)
1.一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法，其特征在于，包括以下步骤：
(1)制备纳米ZnO颗粒：将Zn(NO3)2溶液边搅拌边加入NaOH溶液，静置，将生成的沉淀物进行过滤，洗涤，并烘干，再将干燥好的沉淀物放在马弗炉里焙烧，冷却后研磨，得到ZnO纳米颗粒；
(2)Ag/石墨烯/ZnO的制备：通过物理气相沉积将Ag纳米颗粒均匀的分散在步骤(1)得到的ZnO纳米颗粒上，形成Ag/ZnO复合纳米颗粒；然后以Ag/ZnO复合纳米颗粒为基体，以甲烷为碳源，以化学气相沉积的方式将石墨烯嵌入到Ag/ZnO纳米复合结构中，形成Ag/石墨烯/ZnO复合纳米颗粒；
进一步包含步骤(3)：将步骤(2)制备的Ag/石墨烯/ZnO复合纳米颗粒和椰壳活性碳以及聚乙烯混合，烧结成富含Ag/石墨烯/ZnO纳米颗粒的烧结活性碳颗粒；
所述步骤(2)中，物理气相沉积过程中，首先抽真空至0.05帕，并保持真空度不低于0.1Pa；所述步骤(2)中，ZnO和Ag的质量比为20：1；
所述步骤(3)中Ag/石墨烯/ZnO复合纳米颗粒、椰壳活性碳以及聚乙烯的质量比为1：100：2。
2.根据权利要求1所述的可降解甲醛的银/石墨烯/氧化锌复合材料制备方法，其特征在于，所述步骤(1)中Zn(NO3)2溶液的浓度为1mol/L，NaOH溶液的浓度为2mol/L，所述Zn(NO3)2溶液与NaOH溶液的体积比为1:1。
3.根据权利要求1所述的可降解甲醛的银/石墨烯/氧化锌复合材料制备方法，其特征在于，所述步骤(2)中，化学气相沉积在气压为10-4Pa，温度为900℃的条件下进行。
4.根据权利要求1所述的可降解甲醛的银/石墨烯/氧化锌复合材料制备方法，其特征在于，所述步骤(3)中烧结条件为：压力为2个大气压，温度为220℃，烧结时间为3小时。
5.根据权利要求1～3任一项所述方法制备得到的可降解甲醛的银/石墨烯/氧化锌复合材料用于室内空气处理。
6.根据权利要求1～3任一项所述方法制备得到的可降解甲醛的银/石墨烯/氧化锌复合材料用于降解甲醛。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807591.7A CN107497427B (zh) | 2017-09-08 | 2017-09-08 | 一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807591.7A CN107497427B (zh) | 2017-09-08 | 2017-09-08 | 一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107497427A CN107497427A (zh) | 2017-12-22 |
| CN107497427B true CN107497427B (zh) | 2021-04-20 |
Family
ID=60695123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710807591.7A Active CN107497427B (zh) | 2017-09-08 | 2017-09-08 | 一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107497427B (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227453B (zh) * | 2019-04-17 | 2022-03-25 | 江苏省农业科学院 | 一种AgCl/ZnO/GO复合可见光催化剂的制备方法 |
| CN111185170B (zh) * | 2020-01-17 | 2020-10-16 | 广东红树林新材料科技有限公司 | 一种纳米氧化锌包裹纳米银抗菌复合材料的制备方法 |
| CN111744474B (zh) * | 2020-06-19 | 2022-09-09 | 湖南工业大学 | 一种纳米复合材料、其制备方法及用途 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8878157B2 (en) * | 2011-10-20 | 2014-11-04 | University Of Kansas | Semiconductor-graphene hybrids formed using solution growth |
| KR20140075971A (ko) * | 2012-12-11 | 2014-06-20 | 삼성전자주식회사 | 그래핀-나노입자 구조체 및 이의 제조방법. |
| KR101437442B1 (ko) * | 2013-01-23 | 2014-09-11 | 전자부품연구원 | 수처리용 그래핀-카본나노튜브 복합 구조체 제조방법 및 이를 이용한 멤브레인 제조방법 |
| CN105498689B (zh) * | 2015-12-09 | 2018-03-06 | 唐山冀东石墨烯科技发展有限公司 | 石墨烯负载纳米ZnO/Ag复合材料及其制备方法 |
| CN105688939B (zh) * | 2016-02-29 | 2019-06-28 | 长春理工大学 | 基于能带调制的双重量子点敏化氧化物复合光催化材料 |
| CN106914070B (zh) * | 2017-04-17 | 2018-10-26 | 台州绿之源环保股份有限公司 | 车用空气净化器 |
-
2017
- 2017-09-08 CN CN201710807591.7A patent/CN107497427B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107497427A (zh) | 2017-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhou et al. | The preparation, and applications of gC 3 N 4/TiO 2 heterojunction catalysts—a review | |
| CN102247877B (zh) | 可见光催化剂的制备方法 | |
| Gao et al. | A review on mechanism, applications and influencing factors of carbon quantum dots based photocatalysis | |
| CN110152711B (zh) | 一种CeO2@MoS2/g-C3N4三元复合光催化剂及其制备方法 | |
| CN104475133B (zh) | 一种Bi/BiOCl光催化剂的制备方法 | |
| CN109569684B (zh) | 等离子体改性金属氧化物和g-氮化碳共修饰二氧化钛纳米棒复合光催化剂及其制备和应用 | |
| CN107376905B (zh) | 一种可降解甲醛的Ag/ZnO复合材料的制备方法 | |
| Rasheed et al. | Synthesis and studies of ZnO doped with g-C3N4 nanocomposites for the degradation of tetracycline hydrochloride under the visible light irradiation | |
| CN105688972B (zh) | 介孔-α-三氧化二铁/掺氮还原石墨烯高效复合光催化剂的制备方法 | |
| CN107892284A (zh) | 一种NiS/C3N4二元复合物及其制备和应用方法 | |
| CN107497427B (zh) | 一种可降解甲醛的银/石墨烯/氧化锌复合材料制备方法 | |
| Zhao et al. | Polyoxometalates-doped TiO 2/Ag hybrid heterojunction: removal of multiple pollutants and mechanism investigation | |
| CN105664995A (zh) | 一种多元素共掺杂纳米二氧化钛光催化材料 | |
| CN102553562B (zh) | 多重改性复合光催化剂及其制备方法 | |
| An et al. | The multiple roles of rare earth elements in the field of photocatalysis | |
| Cui et al. | Synthesis of a Z-scheme ternary photocatalyst (Ta3N5/Ag3PO4/AgBr) for the enhanced photocatalytic degradation of tetracycline under visible light | |
| CN109158117B (zh) | 一种全光谱响应双掺杂氟化镧/凹凸棒石上转换复合光催化材料及其制备方法与应用 | |
| Yao et al. | One stone, three birds: up-conversion, photothermal and pn heterojunction to boost BiOBr: Yb3+, Er3+/Cu3Mo2O9 full spectrum photodegradation | |
| CN107376956B (zh) | 一种氧化锌/红磷异质结复合光催化剂及其制备方法 | |
| Xu et al. | Synthesis and characterization of pyrochlore Bi2Sn2O7 doping with praseodymium by hydrothermal method and its photocatalytic activity study | |
| CN111229217B (zh) | 复合p-n型异质结光催化剂的制备方法及VOCs光催化降解方法 | |
| CN1259128C (zh) | 光催化活性氟掺杂二氧化钛纳米材料的制备方法 | |
| CN104645980B (zh) | 一种贵金属‑氧化锌复合材料及其制备方法和应用 | |
| CN111137920A (zh) | 一种黑色Ta2O5及其制备方法和应用 | |
| CN108722462B (zh) | 一种氨修饰氯氧铋微米球及其制备方法 |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220402 Address after: 215000 room 808, building 6, business travel building, No. 381, Suzhou Avenue East, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Suzhou Xianghuai Environmental Technology Co.,Ltd. Address before: Room C, No. 888, Huanhu West 2nd Road, Nanhui new town, Pudong New Area, Shanghai Patentee before: SHANGHAI GEMA ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |