| Title: |
One pot synthesis of ZnO nanoparticle/mesoporous silica nanocomposite for photocatalysis |
| Authors: |
Barnetche, Adélie; Andrieu, Paul; Tonetto, Alain; Neisius, Thomas; Hardy, Micael; Beurroies, Isabelle; Besson, Eric |
| Contributors: |
Institut de Chimie Radicalaire (ICR); Aix Marseille Université (AMU)-Institut de Chimie - CNRS Chimie (INC-CNRS)-Centre National de la Recherche Scientifique (CNRS); Fédération des Sciences Chimiques de Marseille (FSCM); Aix Marseille Université (AMU)-École Centrale de Marseille (ECM)-Institut de Chimie - CNRS Chimie (INC-CNRS)-Centre National de la Recherche Scientifique (CNRS); Matériaux divisés, interfaces, réactivité, électrochimie (MADIREL); AMUTECH Institute |
| Source: |
ISSN: 0254-0584 ; Materials Chemistry and Physics ; https://hal.science/hal-05333678 ; Materials Chemistry and Physics, 2026, 348, pp.131717. ⟨10.1016/j.matchemphys.2025.131717⟩ ; https://www-sciencedirect-com. |
| Publisher Information: |
CCSD; Elsevier |
| Publication Year: |
2026 |
| Collection: |
Aix-Marseille Université: HAL |
| Subject Terms: |
Photocatalysis; Mesoporous; Quantum dots; ZnO; Sol-gel; Chromium; [CHIM.MATE]Chemical Sciences/Material chemistry; [CHIM.CATA]Chemical Sciences/Catalysis |
| Description: |
International audience ; Metal oxide materials, such as ZnO, have attracted considerable interest in photocatal-ysis due to their ability to generate reactive species under UV irradiation, which are useful for the degradation of organic or inorganic pollutants. However, the efficiency of photocatalysis re-lies on the intrinsic properties of the photocatalyst, such as its specific surface area or stability, or even aggregation when it is in the form of nanoparticles. To address these issues, we synthesized and thoroughly characterized ZnO nanoparticles confined in a mesoporous silica matrix. Several synthesis parameters were investigated, including the method of silica synthesis, the nature of the zinc precursor and the calcination temperature. The resulting materials exhibited a large specific surface area, and nanoparticles of 2 nm were homogeneously dispersed within the silica matrix. The optical properties, UV–visible absorption and photoluminescence, were examined and photocatalytic properties were evaluated through the photoreduction of Cr(VI). |
| Document Type: |
article in journal/newspaper |
| Language: |
English |
| DOI: |
10.1016/j.matchemphys.2025.131717 |
| Availability: |
https://hal.science/hal-05333678; https://hal.science/hal-05333678v1/document; https://hal.science/hal-05333678v1/file/MaterChemPhys%20article%20clean%20copy.pdf; https://doi.org/10.1016/j.matchemphys.2025.131717 |
| Rights: |
https://hal.science/licences/copyright/ ; info:eu-repo/semantics/OpenAccess |
| Accession Number: |
edsbas.294ECB03 |
| Database: |
BASE |