Vibrational study of the role of trivalent ions in sodium trisilicate glass

Kamitsos, E. I.; Kapoutsis, J. A.; Jain, Himanshu; Hsieh, C. H.

doi:10.1016/0022-3093(94)90030-2

Cited by 123 publications

(109 citation statements)

References 41 publications

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“…16 For the SABS-15 glass, the presence of 1357 and 1387 cm −1 peaks indicate the B -O − vibrations in a large borate network. 17 The peaks at 1424, 1452, 1460, and 1501 cm −1 can be as- signed to metaborate units and localized stretching vibration modes of B -O − bonds, as for the 1426 cm −1 wave number peak in the SABS-5 and SABS-10 glasses. 16 In addition, the 1479 cm −1 peak is attributed to the stretching mode of disordered BO 3 triangles.…”

Section: B Glass Structural Unit Local Orderingmentioning

confidence: 99%

“…28 For the SABS-35 glass, the peaks at 1354, 1382, and 1394 cm −1 can be assigned to the splitted 1380 cm −1 peak identified for the B-O − vibration. 17 The peaks at 1466, 1510, and 1514 cm −1 can be assigned to localized stretching vibration of B -O − bonds. 16 The 1330, 1417, and 1443 cm −1 peaks cannot be identified.…”

Section: B Glass Structural Unit Local Orderingmentioning

confidence: 99%

“…13 The 400-700 cm −1 wave number peak represents the delocalized vibration of Si-O-Si from mixed stretching and bending modes. 17 In borate glass, the 1200-1600 cm −1 peak describes the B-O − ͑O − denotes the nonbridging oxygen͒ stretching mode within the chain and ring metaborates. 26 The low frequency region of the 1400 cm −1 band can be attributed to BO 3 trigonals linked to BO 4 tetrahedrals, exhibiting a lower vibration frequency as a result of − electronic interaction.…”

Section: B Glass Structural Unit Local Orderingmentioning

confidence: 99%

“…induces destruction of the Q 3 species and the creation of highly charged Q 2 and Q 1 species, as well as fully connected Q 4 silicate units. 17 The current study is focused on understanding the network structure and thermal stability of the SABS glass system. To examine the SABS glass structural evolution with B 2 O 3 : SiO 2 ratio change, MAS NMR, and Raman spectroscopy studies have been carried out.…”

Section: Introductionmentioning

confidence: 99%

“…The results indicated that aluminum is largely in Q 4 sites, except in Al-rich glasses where it is also in Q 3 sites. 10 17 O enriched calcium and potassium aluminoborosilicate glasses were studied by 11 B, 27 Al, and 17 O NMR. 11 Dramatic differences in boron and oxygen speciation demonstrate a large effect of the modifier cations on glass former mixing behavior and stabilization of nonbridging oxygen atoms.…”

Section: Introductionmentioning

confidence: 99%

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Network structure and thermal stability study of high temperature seal glass

Mahapatra

2008

Journal of Applied Physics

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Articles you may be interested inSynthesis and structural studies of multi-component strontium zinc silicate glass-ceramics AIP Conf. Proc. 1512, 568 (2013) High temperature seal glass has stringent requirement on glass thermal stability, which is dictated by glass network structures. In this study, a SrO-La 2 O 3 -Al 2 O 3 -B 2 O 3 -SiO 2 based glass system was studied using nuclear magnetic resonance, Raman spectroscopy, and x-ray diffraction for solid oxide cell application purpose. Glass structural unit neighboring environment and local ordering were evaluated. Glass network connectivity as well as silicon and boron glass former coordination were calculated for different B 2 O 3 : SiO 2 ratios. Thermal stability of the borosilicate glasses was studied after thermal treatment at 850°C. The study shows that high B 2 O 3 content induces BO 4 and SiO 4 structural unit ordering, increases glass localized inhomogeneity, decreases glass network connectivity, and causes devitrification. Glass modifiers interact with either silicon-or boron-containing structural units and form different devitrified phases at different B 2 O 3 : SiO 2 ratios. B 2 O 3 -free glass shows the best thermal stability among the studied compositions, remaining stable after thermal treatment for 200 h at 850°C.

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Section: B Glass Structural Unit Local Orderingmentioning

confidence: 99%

Section: B Glass Structural Unit Local Orderingmentioning

confidence: 99%

Section: B Glass Structural Unit Local Orderingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Network structure and thermal stability study of high temperature seal glass

Mahapatra

2008

Journal of Applied Physics

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OctTES/TEOS system for hybrid coatings: real-time monitoring of the hydrolysis and condensation by Raman spectroscopy

Ferri

Lorenzi

Lottici

2016

J. Raman Spectrosc.

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The hybrid organic–inorganic system Tetra‐ethyl‐ortho‐silicate functionalized with Octyl‐triethoxy‐silane, studied as protective coating for the preservation of historical glasses from the environmental weathering agents, has been characterized by Raman spectroscopy by monitoring the sol‐gel reactions over time through characteristic features in the spectrum. In particular, for the hydrolysis reaction the disappearance of the 653 cm−1 (Si‐O symmetric breathing) and 810 cm−1 (CH2 rocking in Si‐alkoxides) peaks and the growth of the 710 cm−1 band, because of hydrolyzed alkyl‐silane, and of the 881 cm−1 peak (ethanol C–C symmetric stretching) have been checked. Moreover, the condensation reaction can be tracked by the disappearance of the two main peaks of the alcohols at 816 and 881 cm−1, going along with the growth of the broad band between 250 and 500 cm−1 (Si–O–Si symmetric bending) and of the feature at 840 cm−1 (Si–O–Si stretching). At the end of the condensation process the Raman spectrum still displays spectral bands unique to the alkyl chain in Octyl‐triethoxy‐silane, in the 1330–1450 cm−1 and 2725–3000 cm−1 ranges. Copyright © 2016 John Wiley & Sons, Ltd.

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Vibrational and ²⁹Si NMR spectroscopies of soluble silicate oligomers

Bass

Turner

Morris

1999

Macromolecular Symposia

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Vibrational spectroscopy has been used to correlate the features of silicate solution spectra with 29Si NMR spectra, as a function of SiO2:Na2O ratio and SiO2 concentration. Assignments of infrared and Raman component bands have been made for different anion types and are consistent with results reported for crystalline silicates and silicate glasses. The extent of depolymerization of larger anions has been found to differ, depending on both the degree of dilution and alkalinity. The relative amounts of polymeric (Q4) silica and larger three dimensional (Q34R) anions are greater for the more siliceous solutions (3.3 and 2.95 ratio) at high concentrations. These large anions continue to be major contributors to the anion distribution even at 15 to 50 fold dilution. In the case of more alkaline solutions, especially below 2.5 ratio, the relative contribution of the large anions to the distribution drops rapidly, even with 2 or 3 fold dilution. At low concentrations, in very alkaline solutions, the anion distribution is mainly monomer, dimer and cyclic trimer. Vibrational spectroscopies show great promise for observing changes in anion distribution on a much shorter time scale than is possible with 29Si NMR and can be useful for following reactions involving silicate solutions.

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Vibrational study of the role of trivalent ions in sodium trisilicate glass

Cited by 123 publications

References 41 publications

Network structure and thermal stability study of high temperature seal glass

Network structure and thermal stability study of high temperature seal glass

OctTES/TEOS system for hybrid coatings: real-time monitoring of the hydrolysis and condensation by Raman spectroscopy

Vibrational and ²⁹Si NMR spectroscopies of soluble silicate oligomers

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Vibrational study of the role of trivalent ions in sodium trisilicate glass

Cited by 123 publications

References 41 publications

Network structure and thermal stability study of high temperature seal glass

Network structure and thermal stability study of high temperature seal glass

OctTES/TEOS system for hybrid coatings: real-time monitoring of the hydrolysis and condensation by Raman spectroscopy

Vibrational and 29Si NMR spectroscopies of soluble silicate oligomers

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Product

Resources

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Vibrational and ²⁹Si NMR spectroscopies of soluble silicate oligomers