Statistical optimization of melt-quenching process parameters for multiple properties of ternary barium phosphate glasses

For the application of environment conscious glass-fertilizer, K2O-CaO-P2O5 glasses were fabricated by melt-quenching process, and the dissolution properties of these glasses were investigated using pH meter and ICP analyzer. Additionally, the fertilizer effects on rice culture were evaluated. The pH values depended on the glass compositions, and the ICP analysis confirmed that the dissolution amount was inversely proportional to the change of the K2O/P2O5 ratio, which was a main factor in controlling chemical durability, and which could be controlled by mother glass composition. The results of their application to rice plants indicated that the growth and quantity were similar to those used in chemical fertilizer. Therefore, the phosphate glasses are expected to provide the slow-releasing nutrient fertilizers that are easy to produce, environmentally safe, and widely applicable.

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Phosphate glasses containing monodisperse Fe3−δO4@SiO2 stellate nanoparticles obtained by melt-quenching process

Ceramics International ◽

10.1016/j.ceramint.2020.01.257 ◽

2020 ◽

Vol 46 (8) ◽

pp. 12120-12127 ◽

Cited By ~ 4

Author(s):

Juliane Resges Orives ◽

Benoit P. Pichon ◽

Damien Mertz ◽

Kevin Sartori ◽

Sylvie Begin-Colin ◽

...

Keyword(s):

Phosphate Glasses ◽

Melt Quenching ◽

Quenching Process

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Preparation and Properties of La2O3-CaO-P2O5 Glasses Doped with Eu3+ Ions

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.675-676.376 ◽

2016 ◽

Vol 675-676 ◽

pp. 376-379 ◽

Cited By ~ 1

Author(s):

Narun Luewarasirikul ◽

Piyachat Meejitpaisan ◽

Jakrapong Kaewkhao

Keyword(s):

Calcium Phosphate ◽

Molar Volume ◽

Absorption Spectra ◽

Room Temperature ◽

Emission Spectra ◽

Phosphate Glasses ◽

Excitation Wavelength ◽

Melt Quenching ◽

Volume Measurements ◽

Doped Glasses

Lanthanum calcium phosphate glasses doped with Eu3+ ions in compositions 20La2O3:10CaO:(70-x)P2O5:xEu2O3 (where x = 0.05, 0.10, 0.50 and 1.50 mol%) were prepared by melt-quenching technique. The density and molar volume measurements were carried out at room temperature. The absorption spectra were investigated in the UV-Vis-NIR region from 200 to 2500 nm. The emission spectra of Eu3+-doped glasses centered at 590 nm (5D0→7F1), 612 nm (5D0→7F2), 652 nm (5D0→7F3) and 699 nm (5D0→7F4) have been observed with 393 nm excitation wavelength.

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Samarium Ions Concentration Dependent Optical Enhancement in Phosphate Glass

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.1107.449 ◽

2015 ◽

Vol 1107 ◽

pp. 449-453

Author(s):

Ramli Arifin ◽

Lee Pei San ◽

Md Rahim Sahar ◽

Sib Krishna Ghoshal ◽

Khaidzir Hamzah

Keyword(s):

Rare Earth ◽

Chemical Composition ◽

Absorption Spectra ◽

Phosphate Glass ◽

Emission Spectra ◽

Photonic Devices ◽

Phosphate Glasses ◽

Significant Enhancement ◽

Melt Quenching ◽

Nir Absorption

Glasses activated rare earth (RE) ions are demanding for photonic devices. Optimization of rare earth dopants, chemical composition of glass former and modifier decides spectra features. We synthesize a series of glass having composition (50-x)P2O5 - 30Li2O - 20Na2O - (x)Sm2O3, where x = 0 to 2.0 mol% (optimizing RE concentration) via melt-quenching technique. The effects of Sm2O3 concentration on significant enhancement of absorption and luminescence are scrutinized. The UV-Vis-NIR absorption spectra reveal ten band and the emission spectra exhibit four peaks specific to the dopant. The results suggest that samarium doped phosphate glasses are potential for laser and other applications.

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