Insights into new calcium phosphosilicate xerogels using an advanced characterization methodology

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Insights into new calcium phosphosilicate xerogels using an advanced characterization methodology. / Li, A.; Wang, D.; Xiang, J. et al.
In: Journal of Non-Crystalline Solids, Vol. 357, No. 19-20, 2011, p. 3548-3555.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Li, A, Wang, D, Xiang, J, Newport, RJ, Reinholdt, MX, Mutin, PH, Vantelon, D, Bonhomme, C, Smith, ME, Laurencin, D & Qiu, D 2011, 'Insights into new calcium phosphosilicate xerogels using an advanced characterization methodology', Journal of Non-Crystalline Solids, vol. 357, no. 19-20, pp. 3548-3555. https://doi.org/10.1016/j.jnoncrysol.2011.07.003

APA

Li, A., Wang, D., Xiang, J., Newport, R. J., Reinholdt, M. X., Mutin, P. H., Vantelon, D., Bonhomme, C., Smith, M. E., Laurencin, D., & Qiu, D. (2011). Insights into new calcium phosphosilicate xerogels using an advanced characterization methodology. Journal of Non-Crystalline Solids, 357(19-20), 3548-3555. https://doi.org/10.1016/j.jnoncrysol.2011.07.003

Vancouver

Li A, Wang D, Xiang J, Newport RJ, Reinholdt MX, Mutin PH et al. Insights into new calcium phosphosilicate xerogels using an advanced characterization methodology. Journal of Non-Crystalline Solids. 2011;357(19-20):3548-3555. doi: 10.1016/j.jnoncrysol.2011.07.003

Author

Li, A. ; Wang, D. ; Xiang, J. et al. / Insights into new calcium phosphosilicate xerogels using an advanced characterization methodology. In: Journal of Non-Crystalline Solids. 2011 ; Vol. 357, No. 19-20. pp. 3548-3555.

Bibtex

@article{1e697cee22c24301ad5fb81d47a4507b,

title = "Insights into new calcium phosphosilicate xerogels using an advanced characterization methodology",

abstract = "Amorphous calcium phosphosilicate xerogels of high phosphate content were synthesized by a new sol-gel route. Their structural characterization was achieved through the combination of complementary analytical methods, including advanced solid state NMR and scattering techniques. Two representative compositions, with similar P contents but a different Ca:Si ratio, have been chosen for detailed study. Using (43)Ca solid state NMR and Ca K-edge XANES, the Ca local environment in the samples was characterized, revealing that it is similar for both compositions. It was found that P-O-Si linkages are present in both compounds after calcination at 350 degrees C. However, for the sample with the lower Si content, a higher fraction of unusual 6-coordinated silicon was observed. Interestingly, calcium was also found to enhance the network connectivity and to enter the phosphosilicate network without the need for calcination at high temperature, which is advantageous in comparison with syntheses performed previously on similar compounds.",

keywords = "Structural characterization, Calcium phosphosilicate, Sol-gel, Local environment",

author = "A. Li and D. Wang and J. Xiang and Newport, {R. J.} and Reinholdt, {M. X.} and Mutin, {P. H.} and D. Vantelon and C. Bonhomme and Smith, {Mark E.} and D. Laurencin and D. Qiu",

year = "2011",

doi = "10.1016/j.jnoncrysol.2011.07.003",

language = "English",

volume = "357",

pages = "3548--3555",

journal = "Journal of Non-Crystalline Solids",

publisher = "Elsevier",

number = "19-20",

}

RIS

TY - JOUR

T1 - Insights into new calcium phosphosilicate xerogels using an advanced characterization methodology

AU - Li, A.

AU - Wang, D.

AU - Xiang, J.

AU - Newport, R. J.

AU - Reinholdt, M. X.

AU - Mutin, P. H.

AU - Vantelon, D.

AU - Bonhomme, C.

AU - Smith, Mark E.

AU - Laurencin, D.

AU - Qiu, D.

PY - 2011

Y1 - 2011

N2 - Amorphous calcium phosphosilicate xerogels of high phosphate content were synthesized by a new sol-gel route. Their structural characterization was achieved through the combination of complementary analytical methods, including advanced solid state NMR and scattering techniques. Two representative compositions, with similar P contents but a different Ca:Si ratio, have been chosen for detailed study. Using (43)Ca solid state NMR and Ca K-edge XANES, the Ca local environment in the samples was characterized, revealing that it is similar for both compositions. It was found that P-O-Si linkages are present in both compounds after calcination at 350 degrees C. However, for the sample with the lower Si content, a higher fraction of unusual 6-coordinated silicon was observed. Interestingly, calcium was also found to enhance the network connectivity and to enter the phosphosilicate network without the need for calcination at high temperature, which is advantageous in comparison with syntheses performed previously on similar compounds.

AB - Amorphous calcium phosphosilicate xerogels of high phosphate content were synthesized by a new sol-gel route. Their structural characterization was achieved through the combination of complementary analytical methods, including advanced solid state NMR and scattering techniques. Two representative compositions, with similar P contents but a different Ca:Si ratio, have been chosen for detailed study. Using (43)Ca solid state NMR and Ca K-edge XANES, the Ca local environment in the samples was characterized, revealing that it is similar for both compositions. It was found that P-O-Si linkages are present in both compounds after calcination at 350 degrees C. However, for the sample with the lower Si content, a higher fraction of unusual 6-coordinated silicon was observed. Interestingly, calcium was also found to enhance the network connectivity and to enter the phosphosilicate network without the need for calcination at high temperature, which is advantageous in comparison with syntheses performed previously on similar compounds.

KW - Structural characterization

KW - Calcium phosphosilicate

KW - Sol-gel

KW - Local environment

U2 - 10.1016/j.jnoncrysol.2011.07.003

DO - 10.1016/j.jnoncrysol.2011.07.003

M3 - Journal article

VL - 357

SP - 3548

EP - 3555

JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

IS - 19-20

ER -

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