Photochemical synthesis of nano- and micro-crystalline particles in aqueous solutions
| Autor: | Vojtěch Vaněček, Václav Čuba, Jan Bárta, Martin Nikl, M. Kuzár, Lenka Procházková |
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| Rok vydání: | 2019 |
| Předmět: |
Aqueous solution
Materials science Reducing agent Metal ions in aqueous solution General Physics and Astronomy 02 engineering and technology Surfaces and Interfaces General Chemistry 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics Photochemistry 01 natural sciences 0104 chemical sciences Surfaces Coatings and Films chemistry.chemical_compound Microcrystalline chemistry Nano Acetone Formate Irradiation 0210 nano-technology |
| Zdroj: | Applied Surface Science. 479:506-511 |
| ISSN: | 0169-4332 |
| DOI: | 10.1016/j.apsusc.2019.02.087 |
| Popis: | UV irradiation of aqueous solutions containing various metal ions (Ag, Rh, Cu, Pb, Ba, …) and sensitizers was performed in order to synthesize a large variety of solid nano- or microcrystalline materials in the irradiated solutions and illustrate the chemical and photochemical reactions leading to their formation. Acetone was shown to be a very effective sensitizer and photoreducing agent when coupled with propan-2-ol, whereas formate HCOO– was introduced either mainly as a reducing agent in deaerated solution or as a source of nascent CO2 in the presence of air. It was shown that UV irradiation allows for the preparation of a wide variety of inorganic materials. Moreover, reactions mechanisms discussed may occur during Laser Ablation in Liquid processes. |
| Databáze: | OpenAIRE |
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