Article ; Online: Research status and prospect of nano silver (Ag)-modified photocatalytic materials for degradation of organic pollutants.
Environmental science and pollution research international
2023 Volume 31, Issue 1, Page(s) 191–214
Abstract: Nano silver (Ag) was metallic Ag monomers with particle size to the nanoscale. Photocatalyst was a kind of semiconductor material with photocatalytic function. Loading precious metal Ag onto semiconductor surfaces by microwave, laser-induced, solvent- ... ...
| Abstract | Nano silver (Ag) was metallic Ag monomers with particle size to the nanoscale. Photocatalyst was a kind of semiconductor material with photocatalytic function. Loading precious metal Ag onto semiconductor surfaces by microwave, laser-induced, solvent-thermal and hydrothermal methods could capture photogenerated electrons, reduced the compounding rate of holes and photogenerated electrons during the photocatalytic process, thereby improving the electron transfer efficiency of photocatalysis and enhancing the absorption of visible light by silver nanoparticles through the plasma resonance effect. The highly reactive free radicals produced by photocatalysts were used in the organic degradation process to degrade organic matter into inorganic matter and was a faster, more efficient and less polluting method of pollutant degradation, which has attracted a lot of attention from researchers. This review discussed the modification of various types of photocatalysts by nano Ag through different methods. The photocatalytic degradation of dyes, antibiotics and persistent organic pollutants by different modified composites was also analyzed. This review covered the several ways and means in which nano Ag has modified diverse photocatalytic materials as well as the photocatalytic degradation of dyes, antibiotics and persistent organic pollutants. This review identified the drawbacks of the existing nano Ag-modified photocatalytic materials, including their low yield and lack of recyclability, and it also offered suggestions for potential future directions for their improvement. The purpose of this review was to further research on the technology of nano Ag-modified photocatalytic materials and to encourage the creation of new modified photocatalytic nanomaterials for the treatment of organic pollutant degradation. |
|---|---|
| MeSH term(s) | Metal Nanoparticles ; Silver ; Environmental Pollutants ; Persistent Organic Pollutants ; Anti-Bacterial Agents ; Light ; Coloring Agents ; Catalysis |
| Chemical Substances | Silver (3M4G523W1G) ; Environmental Pollutants ; Persistent Organic Pollutants ; Anti-Bacterial Agents ; Coloring Agents |
| Language | English |
| Publishing date | 2023-12-05 |
| Publishing country | Germany |
| Document type | Journal Article ; Review |
| ZDB-ID | 1178791-0 |
| ISSN | 1614-7499 ; 0944-1344 |
| ISSN (online) | 1614-7499 |
| ISSN | 0944-1344 |
| DOI | 10.1007/s11356-023-31166-4 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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