Optical and Structural Studies of Mn2+ Doped SbPO4-ZnO-PbO Glasses

Author(s)

Manzan, Renata S. ^{[1, 2]} ; Donoso, Jose P. ^[3] ; Magon, Claudio J. ^[3] ; Silva, Igor d'Anciaes A. ^[3] ; Ruessel, Christian ^[4] ; Nalin, Marcelo ^[2]

Affiliation

^[1] Univ Fed Sao Carlos UFSCar, Dept Quim, BR-13565905 Sao Carlos, SP - Brazil

^[2] Univ Estadual Paulista Julio de Mesquita Filho Un, Inst Quim, Lab Vidros Especiais LAViE, BR-14800060 Araraquara, SP - Brazil

^[3] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13566590 Sao Carlos, SP - Brazil

^[4] Univ Jena, Otto Schott Inst Mat Res, D-07743 Jena - Germany

• Document type: Journal article
• Source: Journal of the Brazilian Chemical Society; v. 26, n. 12, p. 2607-2614, DEC 2015.
• Web of Science Citations: 5

Abstract

New glass compositions in the system 1-x(SbPO4-ZnO-PbO)-xMnO (with 0 ≤ x ≤ 20 in mol%) were prepared by melt-quenching methodology. Thermal, structural and optical properties of the new glasses were systematically studied by means of differential scanning calorimetry (DSC), UV-Vis and Raman spectroscopy, fluorescence and electronic paramagnetic resonance (EPR). The addition of MnO increases the thermal stability of the glasses with Tx – Tg close to 140 ºC for higher Mn contents. EPR measurements show that Mn2+ ions are in octahedral arrangement which is in agreement with UV-Vis and luminescence results. Samples present red luminescence when excited with 408 nm source. (AU)

• FAPESP's process: 13/07793-6 - CEPIV - Center for Teaching, Research and Innovation in Glass
• Grantee: Edgar Dutra Zanotto
• Support Opportunities: Research Grants - Research, Innovation and Dissemination Centers - RIDC
• FAPESP's process: 12/05087-4 - Synthesis of glasses and glassceramics in the system SbPO4-PbO-ZnO doped with manganese and iron.
• Grantee: Renata Fernandes Siqueira
• Support Opportunities: Scholarships in Brazil - Master