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- Title
Double stabilization of silver molecular clusters in thin films.
- Authors
Evstropiev, S. K.; Nikonorov, N. V.; Saratovskii, A. S.
- Abstract
The evolution of spectral and luminescent properties of Ag-containing composite coatings prepared by liquid technique has been studied. Double stabilization allows forming thin oxide films containing luminescent small Agn (n < 5) molecular clusters using the liquid technique. These clusters are non-stable intermediate products during the formation of Ag nanoparticles from the ions and neutral atoms. It was found that small luminescent Agn molecular clusters (n < 5) formed in the solutions at the presence of polyvinylpyrrolidone (PVP) remain in PVP/metal nitrates composite coatings and in the calcined metal oxide coatings. Spatial separation of small Ag molecular clusters in the coatings by the oxide nanoparticles of ZnO and MgO prohibits silver clusters growth and non-luminescent silver nanoparticles formation and allows saving coatings' luminescence properties during thermal treatment.
- Subjects
SILVER clusters; MOLECULAR clusters; THIN films; METAL coating; OXIDE coating; POVIDONE; COMPOSITE coating
- Publication
Research on Chemical Intermediates, 2020, Vol 46, Issue 9, p4033
- ISSN
0922-6168
- Publication type
Article
- DOI
10.1007/s11164-020-04189-6