Structural characteristics of nanocrystalline ZrO2 powder sol-gel derived to luminescent applications

T. Rivera; J. Azorín; M. Barrera; A. M. Soto; R. Sosa; C. Furetta

doi:10.1080/10420150701470712

Structural characteristics of nanocrystalline ZrO2 powder sol-gel derived to luminescent applications

T. Rivera, J. Azorín, M. Barrera, A. M. Soto, R. Sosa, C. Furetta

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Interest in nanocrystalline ceramics is increasing nowadays. Sol-gel is a low temperature method, which uses chemical precursors to produce ceramics and glasses with better purity and homogeneity than the conventional high-temperature processes. This new preparation method of nanophosphors has been recently strongly developed for producing high-efficiency luminescent devices. When producing ZrO2 it is important to retain a high degree of crystallization of ZrO2 and its possible correlation with the concentration of defects. The X-ray diffraction patterns of ZrO2 showed that the calcined material has a strongly monoclinic structure. The thermoluminescent glow curve of ZrO2 exhibited two peaks. Photoluminescence spectra of ZrO2 also were obtained.

Original language	English
Pages (from-to)	597-603
Number of pages	7
Journal	Radiation Effects and Defects in Solids
Volume	162
Issue number	7-8
DOIs	https://doi.org/10.1080/10420150701470712
State	Published - Jul 2007
Externally published	Yes

Keywords

Nanocrystals of zirconia
Photoluminescence
Sol-gel method
Thermoluminescence

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10.1080/10420150701470712

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title = "Structural characteristics of nanocrystalline ZrO2 powder sol-gel derived to luminescent applications",

abstract = "Interest in nanocrystalline ceramics is increasing nowadays. Sol-gel is a low temperature method, which uses chemical precursors to produce ceramics and glasses with better purity and homogeneity than the conventional high-temperature processes. This new preparation method of nanophosphors has been recently strongly developed for producing high-efficiency luminescent devices. When producing ZrO2 it is important to retain a high degree of crystallization of ZrO2 and its possible correlation with the concentration of defects. The X-ray diffraction patterns of ZrO2 showed that the calcined material has a strongly monoclinic structure. The thermoluminescent glow curve of ZrO2 exhibited two peaks. Photoluminescence spectra of ZrO2 also were obtained.",

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T1 - Structural characteristics of nanocrystalline ZrO2 powder sol-gel derived to luminescent applications

AU - Rivera, T.

AU - Azorín, J.

AU - Barrera, M.

AU - Soto, A. M.

AU - Sosa, R.

AU - Furetta, C.

N1 - Funding Information: This work was supported under the IPN Project No. 20060367 and by CONACYT agreement 52862

PY - 2007/7

Y1 - 2007/7

N2 - Interest in nanocrystalline ceramics is increasing nowadays. Sol-gel is a low temperature method, which uses chemical precursors to produce ceramics and glasses with better purity and homogeneity than the conventional high-temperature processes. This new preparation method of nanophosphors has been recently strongly developed for producing high-efficiency luminescent devices. When producing ZrO2 it is important to retain a high degree of crystallization of ZrO2 and its possible correlation with the concentration of defects. The X-ray diffraction patterns of ZrO2 showed that the calcined material has a strongly monoclinic structure. The thermoluminescent glow curve of ZrO2 exhibited two peaks. Photoluminescence spectra of ZrO2 also were obtained.

AB - Interest in nanocrystalline ceramics is increasing nowadays. Sol-gel is a low temperature method, which uses chemical precursors to produce ceramics and glasses with better purity and homogeneity than the conventional high-temperature processes. This new preparation method of nanophosphors has been recently strongly developed for producing high-efficiency luminescent devices. When producing ZrO2 it is important to retain a high degree of crystallization of ZrO2 and its possible correlation with the concentration of defects. The X-ray diffraction patterns of ZrO2 showed that the calcined material has a strongly monoclinic structure. The thermoluminescent glow curve of ZrO2 exhibited two peaks. Photoluminescence spectra of ZrO2 also were obtained.

KW - Nanocrystals of zirconia

KW - Photoluminescence

KW - Sol-gel method

KW - Thermoluminescence

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ER -

Structural characteristics of nanocrystalline ZrO2 powder sol-gel derived to luminescent applications

Abstract

Keywords

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