CN107570191B - Preparation method and application of visible light catalyst - Google Patents
Preparation method and application of visible light catalyst Download PDFInfo
- Publication number
- CN107570191B CN107570191B CN201710636545.5A CN201710636545A CN107570191B CN 107570191 B CN107570191 B CN 107570191B CN 201710636545 A CN201710636545 A CN 201710636545A CN 107570191 B CN107570191 B CN 107570191B
- Authority
- CN
- China
- Prior art keywords
- solution
- visible light
- catalyst
- concentration
- sterilization
- 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
- 239000003054 catalyst Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 28
- 230000001954 sterilising effect Effects 0.000 claims abstract description 27
- 239000000843 powder Substances 0.000 claims abstract description 15
- 239000000243 solution Substances 0.000 claims description 37
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 15
- 230000001699 photocatalysis Effects 0.000 claims description 15
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 15
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 14
- 229910052573 porcelain Inorganic materials 0.000 claims description 13
- 239000012279 sodium borohydride Substances 0.000 claims description 9
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 230000001580 bacterial effect Effects 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 239000002953 phosphate buffered saline Substances 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 241000894006 Bacteria Species 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 4
- 239000011941 photocatalyst Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 101710134784 Agnoprotein Proteins 0.000 claims description 3
- 241000588724 Escherichia coli Species 0.000 claims description 3
- 241000191967 Staphylococcus aureus Species 0.000 claims description 3
- 238000012258 culturing Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000005457 ice water Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 239000001963 growth medium Substances 0.000 claims description 2
- 238000007865 diluting Methods 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 14
- 239000002105 nanoparticle Substances 0.000 abstract description 12
- 229910052737 gold Inorganic materials 0.000 abstract description 9
- 229910052709 silver Inorganic materials 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000005447 environmental material Substances 0.000 abstract description 2
- 238000007146 photocatalysis Methods 0.000 description 7
- 230000000844 anti-bacterial effect Effects 0.000 description 5
- 229910000510 noble metal Inorganic materials 0.000 description 4
- 241000192125 Firmicutes Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000002198 surface plasmon resonance spectroscopy Methods 0.000 description 3
- 241000304886 Bacilli Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000012456 homogeneous solution Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002082 metal nanoparticle Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000002784 hot electron Substances 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008055 phosphate buffer solution Substances 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Catalysts (AREA)
Abstract
Description
Noble metal loading (Ag, Au, wt.%) | Sterilization efficiency (%) |
0.25,1 | 70 |
0.5,2 | 85 |
1,4 | 92 |
Catalyst concentration (μ g/mL) | Sterilization efficiency (%) |
0 | 5 |
10 | 62 |
20 | 73 |
40 | 85 |
Bacterial species | Sterilization efficiency (%) |
S.aureus | 85 |
E.coil | 80 |
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710636545.5A CN107570191B (en) | 2017-07-31 | 2017-07-31 | Preparation method and application of visible light catalyst |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710636545.5A CN107570191B (en) | 2017-07-31 | 2017-07-31 | Preparation method and application of visible light catalyst |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107570191A CN107570191A (en) | 2018-01-12 |
CN107570191B true CN107570191B (en) | 2020-05-01 |
Family
ID=61035254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710636545.5A Active CN107570191B (en) | 2017-07-31 | 2017-07-31 | Preparation method and application of visible light catalyst |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107570191B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108435249B (en) * | 2018-03-29 | 2020-01-24 | 江苏大学 | g-C3N4/Ni-HRP composite photocatalyst, preparation method and application thereof |
CN108704657B (en) * | 2018-05-31 | 2020-12-11 | 广东工业大学 | A kind of red phosphorus/graphite phase carbon nitride composite nanosheet and its preparation method and application |
CN109550049B (en) * | 2018-12-03 | 2021-06-18 | 浙江大学 | Application of carbon quantum dots-graphite-like carbon nitride photocatalytic materials in the preparation of drugs for sterilization and skin scar healing |
CN110339859A (en) * | 2019-07-12 | 2019-10-18 | 河南省口岸食品检验检测所 | Preparation method and application of a multifunctional paper-based composite material loaded with bimetallic nanoparticles |
CN112375804B (en) * | 2020-09-30 | 2023-12-12 | 长春理工大学 | Au/g-C 3 N 4 All-weather photocatalytic antibacterial material and light-dark dual-mode antibacterial mechanism thereof |
-
2017
- 2017-07-31 CN CN201710636545.5A patent/CN107570191B/en active Active
Non-Patent Citations (2)
Title |
---|
Facile synthesis, characterization and photocatalytic performance of Au-Ag alloy nanoparticles dispersed on graphitic carbon nitride under visible light irradiations;Mohammed A. Gondal, et al.;《Journal of Molecular Catalysis A: Chemical》;20160616;第423卷;第114-125页 * |
Visible-light-driven enhanced antibacterial and biofilm elimination activity of graphitic carbon nitride by embedded Ag nanoparticles;Wei Bing, et al.;《Nano Research》;20151231;第8卷(第5期);第1648-1658页 * |
Also Published As
Publication number | Publication date |
---|---|
CN107570191A (en) | 2018-01-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107570191B (en) | Preparation method and application of visible light catalyst | |
Lan et al. | Application of polyoxometalates in photocatalytic degradation of organic pollutants | |
Zhang et al. | Sterilization of Escherichia coli by photothermal synergy of WO3–x/C nanosheet under infrared light irradiation | |
Yuan et al. | Research progress on photocatalytic reduction of Cr (VI) in polluted water | |
CN110180548B (en) | One-dimensional indium oxide hollow nanotube/two-dimensional zinc ferrite nanosheet heterojunction composite material and application thereof in removing water pollutants | |
Ansari et al. | Biogenic synthesis, photocatalytic, and photoelectrochemical performance of Ag–ZnO nanocomposite | |
Adhikari et al. | Photocatalytic inactivation of E. coli by ZnO–Ag nanoparticles under solar radiation | |
CN104437589B (en) | A kind of silver/graphene oxide/carbonitride composite photocatalyst material and preparation method thereof | |
CN107950570A (en) | A kind of preparation method of graphene/titanium dioxide/nano silver composite material | |
Chen et al. | Photocatalytic degradation of ethylene in cold storage using the nanocomposite photocatalyst MIL101 (Fe)-TiO2-rGO | |
CN104148047B (en) | Macro preparation method for carbon doped zinc oxide-based visible-light catalyst | |
Chen et al. | Synthesis of a novel narrow-band-gap iron (II, III) oxide/titania/silver silicate nanocomposite as a highly efficient and stable visible light-driven photocatalyst | |
CN109201065A (en) | A kind of nickel foam composite material and preparation method and the application in photoelectrocatalysis removal water pollutant | |
Manikandan et al. | Synergistic role of in-situ Zr-doping and cobalt oxide cocatalysts on photocatalytic bacterial inactivation and organic pollutants removal over template-free Fe2O3 nanorods | |
Zhang et al. | Graphitic carbon nitride loaded with bismuth nanoparticles displays antibacterial photocatalytic activity | |
CN103272592B (en) | One dimension carries the preparation method of silver-colored titanium dioxide nano-rod photo-catalyst | |
Sakthivel et al. | Synthesis of a multi-functionalized NiCo 2 O 4 spinel heterostructure via the hydrothermal route for high-performance photo-electrocatalytic, anti-bacterial and eco-toxicity applications | |
Xu et al. | The effective photocatalysis and antibacterial properties of AgBr/Ag2MoO4@ ZnO composites under visible light irradiation | |
Liu et al. | Combination of metal-organic framework with Ag-based semiconductor enhanced photocatalytic antibacterial performance under visible-light | |
CN107684918A (en) | A kind of Porous hollow PbBiO2The preparation method and its usage of Cl catalysis materials | |
Wu et al. | Boosting carrier separation in Ag/AgBr/halloysite-nanotubes composites for enhanced photocatalytic performance | |
CN108543542B (en) | A kind of preparation method and application of three-dimensional porous composite photocatalyst | |
Jiang et al. | Applications of bismuth-based nanoparticles for the removal of pollutants in wastewater: a review | |
CN107497427B (en) | Preparation method of silver/graphene/zinc oxide composite material capable of degrading formaldehyde | |
Chu et al. | Hollow hierarchical microspheric CdSe/Bi4O5I2 heterojunction for visible-light-driven photocatalytic degradation of tetracyclines antibiotics: Mechanisms and degradation pathway |
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 | ||
CB03 | Change of inventor or designer information |
Inventor after: Feng Yonghai Inventor after: Wu Rongrong Inventor after: Liu Lei Inventor after: Zhang Jie Inventor after: Dong Mingdong Inventor before: Zhang Jie Inventor before: Feng Yonghai Inventor before: Liu Lei Inventor before: Wu Rongrong Inventor before: Dong Mingdong |
|
CB03 | Change of inventor or designer information | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Feng Yonghai Inventor after: Wu Rongrong Inventor after: Liu Lei Inventor after: Zhang Jie Inventor before: Feng Yonghai Inventor before: Wu Rongrong Inventor before: Liu Lei Inventor before: Zhang Jie Inventor before: Dong Mingdong |
|
CB03 | Change of inventor or designer information |