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| Content Provider | IET Digital Library |
|---|---|
| Author | Tian, Li Tuping, Li Ziwei, Huang |
| Abstract | Na+montmorillonite (MMT) was modified with L-cystine, polyvinylpyrrolidone or mercaptoacetic acid and then silver (Ag) was loaded on the modified MMTs via ion-exchange reaction under microwave irradiation for 4 min, and finally the Ag ions were turned to Ag nanoparticles (Ag NPs) under the irradiation of an ultraviolet lamp. The Ag-loaded L-cystine-modified MMT (Ag@AA-MMT) with an Ag content of 10.93 wt% was the highest of all, suggesting the distinct advantage of microwave-assisted ion-exchange reaction on a modified MMT. X-ray photoelectron spectroscopy confirmed the successful loading of silver and the strong interaction between sulphur and Ag. Scanning electron microscopy, transmission electron microscopy and high-resolution transmission electron microscopy and X-ray diffraction patterns proved the existence and formation mechanism of metallic Ag NPs. The Ag-loaded modified MMT has shown a slow release property and good thermal stability owing to the shielding effect of the MMT layers. The Ag@AA-MMT, showing a very excellent antibacterial property and catalytic activity, exhibited a wide range of potential applications. |
| Starting Page | 592 |
| Ending Page | 596 |
| Page Count | 5 |
| Volume Number | 10 |
| e-ISSN | 17500443 |
| Issue Number | Issue 10, Oct (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/10/10 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2015.0067 |
| Journal | Micro & Nano Letters |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Abstraction Antibacterial Activity Antibacterial Property Atom Transfer Auger Spectroscopy Biomedical Material Catalysis Catalytic Activity Chemical Exchanges Dialysis Disproportionate Electro Osmosis Electron Spectroscopy For Chemical Analysis Film And Membrane Processes Heterogeneous Catalysis at SurFace And Other Surface Reactions High-resolution Transmission Electron Microscopy Ion Exchange L-cystine Modified Montorillonite Mercaptoacetic Acid Microwave Irradiation Microwave-assisted Ion-exchange Reaction Minerals Nanofabrication Nanoparticle Osmosis Photoelectron Polyvinylpyrrolidone Scanning Electron Microscopy Shielding Effect Silver Compound Silver NanoParticle Ssubstitution Thermal Stability Transmission Electron Microscopy Ultraviolet Lamp Irradiation X-Ray Diffraction X-Ray Diffraction Pattern X-Ray Photoelectron Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
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