Jump to main content
Jump to site search


Phosphate glasses via coacervation route containing CdFe2O4 nanoparticles: structural, optical and magnetic characterization

Author affiliations

Abstract

CdFe2O4 nanoparticles of around 3.9 nm were synthesized using the coprecipitation method and protected by a silica layer. The nanoparticles were mixed with a coacervate and transformed into phosphate glasses with 1, 4 and 8% in mass of nanoparticles by the melt-quenching method. TEM images confirm that the nanoparticles were successfully incorporated into the matrix without inducing crystallization. 31P NMR and Raman spectral analyses show that new P–O–Si bonds are formed in the glasses containing nanoparticles. The glass transition increases as a function of the nanoparticle content due to an increase in the connectivity of the phosphate glass chains. The UV-Vis spectra show bands at 415 and 520 nm assigned to Fe3+ ions and at 1025 nm, characteristic of Fe2+ ions, indicating that some of the nanoparticles dissolve during the melting process. The sample with 8% CdFe2O4 presents a paramagnetic behavior. The glasses obtained are transparent, non-hygroscopic and possess enormous thermal stability which is important for the production of optical devices.

Graphical abstract: Phosphate glasses via coacervation route containing CdFe2O4 nanoparticles: structural, optical and magnetic characterization

Back to tab navigation

Supplementary files

Publication details

The article was received on 09 Feb 2018, accepted on 25 Mar 2018 and first published on 26 Mar 2018


Article type: Paper
DOI: 10.1039/C8DT00560E
Citation: Dalton Trans., 2018, Advance Article
  •   Request permissions

    Phosphate glasses via coacervation route containing CdFe2O4 nanoparticles: structural, optical and magnetic characterization

    J. R. Orives, W. R. Viali, S. H. Santagneli, C. R. M. Afonso, M. H. Carvalho, A. J. A. de Oliveira and M. Nalin, Dalton Trans., 2018, Advance Article , DOI: 10.1039/C8DT00560E

Search articles by author

Spotlight

Advertisements