ChemInform Abstract: OXOANTIMONATES(III) AND OXOBISMUTHATES(III). KNOWLEDGE OF NA3SBO3 AND NA3BIO3

Stoever, Harald D. H.; Hoppe, R.

doi:10.1002/chin.198049038

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“…The Sb 3+ crystal phase viz., Na 3 SbO 3 is a color less cubic phase with space group F43m. The structure is predicted to be similar to that of NaCl and the anion vacancies are tetrahedrally surrounded by Sb ions . A structural fragment of this crystal phase is constructed based on the above predictions and shown in the Figure A.…”

Section: Resultsmentioning

confidence: 95%

Structural and physical characteristics of Au₂O₃‐doped sodium antimonate glasses – Part I

et al. 2018

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Na2O‐Sb2O3 glasses doped with different concentrations of Au2O3 were prepared by melt quenching technique and later were heat treated at 800°C for 6 hours. Structural analysis by XRD, XPS, SEM, EDS, and DSC techniques indicated that the samples are embedded with multiple crystallites composed of Sb3+, Sb5+, Au3+ ions, and Au0 metallic particles. These studies have further demonstrated a gradual increasing fraction of Au0 metallic particles with increasing Au2O3 concentration. IR spectral studies suggested increasing the degree of polymerization of the glass network (due to increasing concentration of Sb5+ ions that participate in the glass network with SbVO4 structural units) with rise in the concentration of Au2O3. Optical absorption spectra of the titled samples have exhibited a broad absorption band at about 530 nm predicted due to the surface plasmon resonance (SPR) and exhibited a spectral red shift with increasing intensity with increase in Au2O3 content. Photoluminescence (PL) spectra of the samples recorded (at λexc = corresponding SPR band position) exhibited an emission peak at about 580 nm (identified as being due to interband transition between sp and d bands of gold particles). Overall, the analysis of these results has confirmed increasing concentration of Au metallic particles with increase in Au2O3 content in the titled material. Finally, it is predicted that the presence of higher concentration of gold particles in the polymerized antimonate glass network makes the materials useful for designing different nano dimensional optoelectronic devices.

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Section: Resultsmentioning

confidence: 95%

Structural and physical characteristics of Au₂O₃‐doped sodium antimonate glasses – Part I

et al. 2018

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ChemInform Abstract: OXOANTIMONATES(III) AND OXOBISMUTHATES(III). KNOWLEDGE OF NA3SBO3 AND NA3BIO3

Abstract: werden durch Tempern inniger Gemische von Na2O mit Sb2O3 bzw. Bi2O3 mit Na:Sb = 3.3:1 bzw. Na:Bi = 3.3:1 (1.

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Structural and physical characteristics of Au₂O₃‐doped sodium antimonate glasses – Part I

Structural and physical characteristics of Au₂O₃‐doped sodium antimonate glasses – Part I

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ChemInform Abstract: OXOANTIMONATES(III) AND OXOBISMUTHATES(III). KNOWLEDGE OF NA3SBO3 AND NA3BIO3

Abstract: werden durch Tempern inniger Gemische von Na2O mit Sb2O3 bzw. Bi2O3 mit Na:Sb = 3.3:1 bzw. Na:Bi = 3.3:1 (1.

Cited by 1 publication

References 1 publication

Structural and physical characteristics of Au2O3‐doped sodium antimonate glasses – Part I

Structural and physical characteristics of Au2O3‐doped sodium antimonate glasses – Part I

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Structural and physical characteristics of Au₂O₃‐doped sodium antimonate glasses – Part I

Structural and physical characteristics of Au₂O₃‐doped sodium antimonate glasses – Part I